Technische Aspecten GAITrite Walkway System

(47DevM2) GAITRite Electronic Walkway Technical Reference (WI-02-15) Rev.
L Page 1 of 50
GAITRite Electronic Walkway

Technical Reference
Document Number: WI-02-15
Document Filename: WI-02-15
Rev. L
05/06/2013
(47DevM2) GAITRite Electronic Walkway Technical Reference (WI-02-15) Rev.L Page 2 of 50
CONTENTS
1.0 PRODUCT INFORMATION .......................................................................................... 5
2.0 The GAITRite Walkway .................................................................................................. 6

2.1 Intended Use ..................................................................................................................................... 6
2.2 Safety Instructions ............................................................................................................................ 7
2.3 Connecting the Walkway ................................................................................................................. 8
2.4 Connection Problems........................................................................................................................ 8
2.5 Service Procedure ............................................................................................................................. 8
2.6 Cleaning Instructions ........................................................................................................................ 9
2.7 Storage and transporting ................................................................................................................... 9
2.8 Environmental Specifications for the GAITRite System................................................................ 10
2.9 Classification of the GAITRite System .......................................................................................... 10
2.10 GAITRite Walkway Technical Specifications ............................................................................... 11
2.11 GAITRite Electrical Ratings .......................................................................................................... 12
2.12 Electromagnetic compatibility ........................................................................................................ 12
2.13 Electromagnetic Emissions-Guidance and manufacturer’s declaration.......................................... 12
2.14 Walkway Disposal .......................................................................................................................... 13
3.0 The GAITRite Platinum Interface .................................................................................. 14

3.1 Interface Utilities ............................................................................................................................ 14
3.2 Power Input Connection ................................................................................................................ 15
3.3 Computer Connection ..................................................................................................................... 16
3.4 GAITRite Connection .................................................................................................................... 17
3.5 Status Indicator ............................................................................................................................... 18
3.6 SYNC Output Connection .............................................................................................................. 19
3.6.1 SYNC Output Light ......................................................................................................... 19
3.6.2 SYNC Output Software Controls ..................................................................................... 20
3.6.3 SYNC Output Port Electrical Characteristics................................................................... 21
3.6.4 SYNC Output Timing Diagrams ...................................................................................... 22
3.7 SYNC Input Connection................................................................................................................. 23
3.7.1 SYNC Input Light ............................................................................................................ 23
3.7.2 SYNC Input Software Controls........................................................................................ 24
3.7.3 SYNC Input Electrical Characteristics ............................................................................. 24
3.7.4 SYNC INPUT Reporting ................................................................................................. 26
3.8 Metronome ..................................................................................................................................... 27
4.0 GAITRite MEASUREMENTS & DEFINITIONS ........................................................ 28

4.1.1 GAITRite displays and exports: ....................................................................................... 28
4.2 FOOTPRINT ANALYSIS ............................................................................................................. 28
4.2.1 Identify the quadrilateral .................................................................................................. 29
4.2.2 Identify Heel, Mid and Toe areas ..................................................................................... 29
4.2.3 Identify the centroid ......................................................................................................... 30
4.2.4 Identify the twelve quadrilaterals ..................................................................................... 31
4.3 SPATIAL PARAMETERS & DEFINITIONS............................................................................... 32
4.3.1 Heel Center ...................................................................................................................... 32
4.3.2 Line of Progression .......................................................................................................... 32
4.3.3 Stride Length .................................................................................................................... 32
4.3.4 Step Length ...................................................................................................................... 32
4.3.5 H-H Base of Support or Base Width ................................................................................ 33
4.3.6 Toe In / Toe Out ............................................................................................................... 33
4.3.7 Distance Traveled............................................................................................................. 33
4.3.8 Leg Length (LL) ............................................................................................................... 33
4.3.9 Step/Extremity Ratio ........................................................................................................ 33
4.3.10 Step Width........................................................................................................................ 33
4.3.11 Stride width ...................................................................................................................... 33

4.3.12 Length of Foot .................................................................................................................. 33
4.3.13 Width of Foot ................................................................................................................... 34
4.4 TEMPORAL DEFINITIONS ......................................................................................................... 35
4.4.1 First Contact ..................................................................................................................... 35
4.4.2 Heel Contact ..................................................................................................................... 35
4.4.3 Last Contact ..................................................................................................................... 35
4.4.4 Toe Off ............................................................................................................................. 35
4.4.5 Step Time ......................................................................................................................... 35
4.4.6 Stride Time ....................................................................................................................... 35
4.4.7 Gait Cycle Time ............................................................................................................... 35
4.4.8 Ambulation Time ............................................................................................................. 36
4.4.9 Velocity ............................................................................................................................ 36
4.4.10 Mean Normalized Velocity .............................................................................................. 36
4.4.11 Stride Velocity ................................................................................................................. 36
4.4.12 Single Support and % Single Support .............................................................................. 36
4.4.13 Initial Double Support and %Initial Double Support ....................................................... 36
4.4.14 Terminal Double Support and %Terminal Double Support ............................................. 36
4.4.15 Total Double Support and %Total Double Support ......................................................... 36
4.4.16 Stance Time and % Stance ............................................................................................... 36
4.4.17 Contact phase ................................................................................................................... 37
4.4.18 Midstance phase or Foot Flat ........................................................................................... 37
4.4.19 Propulsive phase............................................................................................................... 37
4.4.20 Swing Time and %Swing ................................................................................................. 37
4.4.21 Heel off/on ....................................................................................................................... 37
4.4.22 Walk Ratios ...................................................................................................................... 37
4.4.23 Heel%, mid foot% and toe% temporal values. ................................................................. 37
4.4.24 Means and Standard Deviations. ...................................................................................... 37
4.5 SWITCHING LEVELS .................................................................................................................. 39
4.6 Switching Level Parameters ........................................................................................................... 41
5.0 WARRANTY INFORMATION ....................................................................................42

5.1 Software ......................................................................................................................................... 42
5.2 License Key .................................................................................................................................... 42
5.3 Software Updates ........................................................................................................................... 42
5.4 WARRANTY ................................................................................................................................. 42
5.5 PROOF OF WARRANTY ............................................................................................................. 42
5.6 EXTENDED WARRANTY ........................................................................................................... 42
5.7 SALES AND SERVICE................................................................................................................. 42
6.0 DOCUMENT UPDATES ...............................................................................................44
7.0 Appendix: Export fields ..................................................................................................45

1.0 PRODUCT INFORMATION
Product Name The GAITRite Electronic Walkway
Manufacturer CIR Systems Inc.

Name
Address 376 Lafayette Rd,

Sparta, NJ 07871
Country of United States

Manufacture
ISO 13485:2012 + AC:2012 (ISO 13485:2003)

Certifications CE (SNCH 0499)
2.0 The GAITRite Walkway
2.1 Intended Use
The GAITRite System is an electronic walkway utilized to measure the temporal (timing) and spatial (two
dimension geometric position) parameters of its pressure activated sensors. The GAITRite system’s intent is to
be utilized as a measuring device for the events occurring during biped and quadruped locomotion.
Inferred parameters are easily obtained by applying common physics and math formulas to the directly
measured temporal and spatial data i.e calculate velocity, relationships between spatial and temporal events
etc.
GAITRite
Walkway
!
AC Adaptor
Master Label
! !
GAITRite
connection Computer USB Port
connection
Master Power Indicator

Green GAITRite
Platinum
Electronic Interface
& Metronome
2.2 Safety Instructions
• Make sure you have read and understood all the information listed in this document and
the User’s Manual. If you require additional information and/or training, please contact
our Customer Service.
• The company assumes that the user is trained in relevant professional fields or is familiar
with the measurements provided by the GAITRite system.
• The company assumes that you have read and understood the intended use of the
GAITRite system and the safety instructions.
• Before allowing subjects to ambulate across the GAITRite walkway, the subjects must be
given adequate support, based on an assessment of their gait and balance abilities.
• Barefoot testing is not recommended. If the protocol requires you to test barefoot, then
you will have to setup your own quality procedure that follows the disinfection rules per
our cleaning instructions and accounts for allergy/irritation produced, on the bare feet,
from the walkway’s top surface.
• The GAITRite equipment should be installed and set up in the test area prior to the
arrival of any Subjects.
• Cables must be routed in a safe manner to avoid any risk of tripping Subjects and users.
WARNING Adhesive tape can be utilized to affix cables on the floor.
• For safety, prepare the subjects by pointing out the tripping hazards posed by the
perimeter height of the walkway and the routed cables.
• For safety, Subjects should stand on the “dead” area of the walkway before beginning a
test, thus avoiding to trip at the entry point of the walkway.
• The test area must be large enough for a fully unrolled walkway and also provide ample
space at the beginning and end of the walkway for the Subjects to safely start and finish
their walk.
• When lifting, packing or relocating the GAITRite walkway, make sure that you observe
proper lifting for heavy items, 60-120 Lbs.
• The floor of the test area must be clean and completely dry prior to unrolling the
walkway.
• Before testing Subjects, make sure their shoes do not have points or sharp edges that
can damage the surface of the walkway.
• Do not use damaged or frayed GAITRite equipment.

2.3 Connecting the Walkway
To connect the GAITRite walkway follow these steps:
1. Make sure the computer is turned on

2. Unroll the electronic walkway
3. Utilize ESD cautionary procedures and connect the USB plug of the Interface Cable to an available USB
port on the PC.
4. Utilize ESD cautionary procedures and connect the fire-wire connector, of the Interface Cable, to the
GAITRite walkway.
5. Plug the AC Adaptor into a mains and connect the other end to the “Power Input” of the Interface Cable.
Do not use power adapters and/or cables other than those supplied with your
CAUTION GAITRite equipment.
The GAITRite walkway is considered an ESD (Electrostatic Discharge) sensitive

ESD device. Electrostatic discharge as high as 4000V readily accumulate on the human
body and can discharge without detection. Although the GAITRite walkway features
CAUTION protection circuitry, permanent damage may occur when subjected to high energy
electrostatic discharges. Therefore, proper ESD precautions are recommended to
avoid performance degradation or loss of functionality.
2.4 Connection Problems
If the walkway is not working properly follow these steps to determine the area of the problem:
1. Check the power light on the Interface Module, if it is ON=lit go to step 2. If the light is not on check the
wall outlet, if determined that it is working properly then contact our Customer service department.
2. Check the Green power light, located on the Master cover of the GAITRite Electronic Walkway, if it is
not ON=lit then be sure the cables are securely attached. If you determined that all cables are secured
then the problem is a failure of the Interface Cable contact our Customer service department.
2.5 Service Procedure
The GAITRite does not contain any serviceable parts. Please, contact our Technical Support department.
2.6 Cleaning Instructions

The walkway requires periodic cleaning in order to prevent a build up of dirt and contaminants. The correct
cleaning procedures are:
• Before cleaning ensure that the GAITRite equipment is disconnected from the mains
(power outlets) and any peripheral devices.
• The walkway may be cleaned with a damp cloth using any proprietary solution of mild
detergent or disinfectant. Do not use solvents or abrasives.
WARNING • Afterwards, moisten a clean cloth with clear, cold water and wipe the walkway surface.
• Allow the walkway to dry completely before use.
• Do not place the walkway near any flame or ignition sources, and do not drop lighted
cigarettes/matches on or near the walkway.
2.7 Storage and transporting

For storage or transporting, the walkway must be properly rolled round the cardboard cylinder and placed in
the storage container provided.
• Always lay the container on its side. As indicated by the labels do not stand it on end.
• Do not fold, crease or puncture the walkway, as this will void the warranty.
• Never move the walkway without first rolling it up on the supplied drum.
• If you decide to allow the walkway to permanently lay on the floor then make sure you
WARNING provide adequate protection from rolling heavy equipment over the walkway.
• If you decide to allow the walkway to permanently lay on the floor then make sure you
provide adequate signs to warn the floor cleaning personnel to keep a distance while
mopping the floors.
• If you decide to allow the walkway to permanently lay on the floor then make sure that
the area will not flood during storms. If uncertain, please remove the AC Adapter from
the mains, when the walkway is not in use.
2.8 Environmental Specifications for the GAITRite System
Condition Specification
-29 to 50 degrees C
(-20 to 122 degrees F)
Storage & Transportation Temperature/Humidity
Relative humidity up to 80% (up to 31 degrees C)
decreasing linearly to 50% at 40 degrees C
10 to 40 degrees C
Operating (40 to 104 degrees F)
Temperature/Humidity Relative humidity up to 80% (up to 31 degrees C)
decreasing linearly to 50% at 40 degrees C
WARNING
General Use
INDOOR USE ONLY. Not suitable for wet locations.
WARNING
NOT SUITABLE FOR USE IN THE PRESENCE OF
FLAMMABLE ANESTHETIC MIXTURE WITH AIR,
Flammable Gases
OXYGEN, NITROUS OXIDE, WHERE SUCH GASES
MAY ACCUMULATE IN CONCETRATION (CLOSED
SPACE)
2.9 Classification of the GAITRite System
Regulatory information Classification/Specification

Classification According to Directive 93/42/EEC
Class I, Annex V, Rule 1
as amended by Directive 2007/47/EC
IEC 60601-1
Technical & Quality Assurance
ISO 13485:2003
Classification of equipment per
Class II
IEC 60601-1
Degree of Protection Against Electric Shock
Type B
per IEC 60601-1
Degree of Protection Against Ingress of Water
IPX0
per IEC 60601-1
Mode of operation per IEC 60601-1 Continuous
Electromagnetic Compatibility and EN 60601-1-2:2002
Electromagnetic Emissions Compliance (see EN 61000-3-2:2000
attached tests) EN 61000-3-3:1995
Country of Manufacture USA
2.10 GAITRite Walkway Technical Specifications
Parameter Walkway Specification
35.25” x 276” x .125” (.250” height of electronics box)

Walkway Overall Dimensions
90cm x 700 cm x 3.2 mm (6 mm height of electronics box)
(for 10 pad walkway)
Custom lengths are available.
Active Area
24” (±.015) x 240” (±.15”) (60.96cm x 609.6cm)
(for 10 pad walkway)
Spatial Resolution .5” (1.27cm)
Spatial Resolution Accuracy ±.5” (±1.27cm)
Sample Rate 60, 80, 100, 120,180, 240Hz
Temporal Accuracy ±1 sample
Each Walkway is placed over existing walkway previously

calibrated and compared against 3D Video System.
The Ambulation Time Velocity between the two systems are
Quality Test Method
compared.
Expected Ambulation time within 1 sample rate
Expected Ambulation Velocity within ±2%
Walkway-to-Walkway
±.5” (±1.27cm)
Spatial Accuracy
Walkway-to-Walkway
±1 sample
Temporal Accuracy
Walkway-to-Walkway
±.5 switching level
Switching Level Accuracy
Walkway Top Cover Flame retardant, anti-slip vinyl
Walkway Bottom Cover Open cell neoprene rubber
Internal Materials Uncoated polyesters

2.11 GAITRite Electrical Ratings
Mains power quality should be that of a typical commercial or hospital environment. If the user of the Gaitrite
Walkway System requires continued operation during power mains interruptions, it is recommended that the
Gaitrite Walkway System be powered from an uninterruptible power supply or battery. Certifications for the
specified AC Adaptor can be furnished upon request.
Rating Specification
WARNING
UTILIZE ONLY THE AC ADAPTOR SUPPLIED WITH YOUR EQUIPMENT.
AC Adapter 100-240V- .8-.4 A
Input Voltage
AC Adapter 9 VDC 3.0A
Output Voltage
2.12 Electromagnetic compatibility
The GAITRite System has been tested and found to comply with the limits for medical devices in IEC 60601-1-
2. These are designed to provide reasonable protection against harmful interference in a typical medical
installation. In the event of interference, power devices from separate mains supplies and/or increase physical
distance between devices. Contact CIR Systems Inc. Customer Service if you have any questions.
2.13 Electromagnetic Emissions-Guidance and manufacturer’s declaration
The Gaitrite Walkway System is intended for use in the electromagnetic

WARNING environment specified below. The customer or the user of the Gaitrite Walkway
System should assure that it is used in such an environment.
Emissions Test Compliance Electromagnetic environment –

guidance
RF Emissions CISPR 11 Group 2

The Gaitrite Walkway System must emit
electromagnetic energy in order to perform its
intended function. Nearby electronic
equipment may be effected.
RF Emissions CISPR 11 Class A

Harmonic emissions Class B
The Gaitrite Walkway System is suitable for
IEC61000-3-2
use in all establishments other than domestic
Voltage fluctuations /flicker Complies and those directly connected to the public low
emissions voltage power supply network that supplies
buildings used for domestic purposes
Immunity test IEC60601 test Complian Electromagnetic environment –

level ce level guidance
Electrostatic discharge ±6kV Contact Complies

(ESD) IEC 61000-4-2 ±8kV Air Floors should be wood, concrete, or
ceramic tile. If floors are covered with
synthetic material, the relative humidity
should be at least 30%
Radiated RF IEC 3 V/m 80MHz Complies

61000-4-3 to 2.5GHz Field strengths outside the shielded location
Conducted RF 3Vrms 150kHz Complies from fixed RF transmitters, as determined
IEC 61000-4-6 to 80MHz by an electromagnetic site survey, should
be less than 3 V/m. Interference may occur
in the vicinity of equipment marked with the
following symbol:
Electrical fast transient ±2kV power line ±1kV Complies

IEC 61000-4-4 I/O lines
Surge ±1kV differential ±2kV Complies Mains power quality should be that of a
IEC 61000-4-5 common typical commercial or hospital environment.
Voltage dips, short >95% dip 0.5 cycle Complies Mains power quality should be that of a
interrupts and voltage typical commercial or hospital environment.
variations on power 60% dip 5 cycles If the user of the Gaitrite Walkway System
supply input lines requires continued operation during power
IEC 61000-4-11 70% dip 25 cycles mains interruptions, it is recommended that
the Gaitrite Walkway System be powered
95% dip 5 sec. from an uninterruptible power supply or
battery.
2.14 Walkway Disposal
Disposal of the walkway should be done according to the requirements of the local authorities. The materials
included in the walkway are listed in the “GAITRite Materials Specifications” section of this document. Local
Authorities may require separation of the electronic devices and recycling during disposal.
3.0 The GAITRite Platinum Interface
This document describes the use and specifications for the GAITRite Interface Module. The Interface Module
is not an accessory; it is an integral part of the GAITRite System. It supplies power to the GAITRite walkway,
provides the communications cabling between the GAITRite walkway and the host personal computer and
provides means to interface and synchronize with external systems.
3.1 Interface Utilities
The GAITRite Interface Module includes standard utilities which are hard-wired, always enabled, and available
to communicate with all GAITRite software modules and versions of the GAITRite Electronic Walkway. The
standard utilities are:
• Power Input connection;

• Cable to connect to host Computer;
• Cable to connect to the GAITRite walkway; and
• Status indicator.
The GAITRite Interface Module includes optional utilities. Optional utilities must be purchased separately and
are enabled from the GAITRite Software. The optional utilities are:
• SYNC OUTPUT interface;

• SYNC INPUT interface;
• METRONOME;
• XBEE RF peripheral Interface;
• Food carrying tray equipped with XBEE RF Inclinometer; and
• Coffee Cup equipped with XBEE RF Inclinometer.
Each utility/connection will be examined separately.

3.2 Power Input Connection
This input connection is designed to accept an external transformer. The AC Adaptor provides power to the
Interface Module and to the GAITRite walkway and was selected with very specific characteristics.
Do not use power adapters and/or cables other than those supplied with your
WARNING GAITRite equipment.
If AC Adaptor failure is suspected, please call our Technical Support Department for a replacement.
To apply power, first connect the AC plug of the external transformer to the AC wall outlet (mains) and then
insert the other end, 2.1 mm plug, to the Interface Module Power Input connector. When these connections
are done correctly the green light marked “POWER” will be lit (ON) and power is available for the GAITRite
Interface Module and the GAITRite electronic walkway. Specifications and certifications for the specified AC
Adaptor can be furnished upon request.
Antenna (Optional)
Internal
SPEAKER
METRONOME STATUS
SYNC INPUT SYNC SYNC OUTPUT

Connector OUTPUT Connector
SYNC
INPUT
Firewire cable. GAITRite POWER COMPUTER USB cable.

Connect to GAITRite System. Connect to Host PC USB port.
POWER INPUT
Connector
3.3 Computer Connection

A cable, six feet long, has one end hard-wired with the GAITRite Interface Module; the other end has a USB
connector ready to plug to a standard USB 2.0 port of a host computer.
Note An extension cable can be utilized to extend the range of this connection. The total
length of this connection should not exceed 12 feet.
With power applied to the GAITRite Interface Module connect this cable to the USB port of your GAITRite
computer. The red light associated with this connection, marked “COMPUTER”, will be not lit (OFF) if the
computer has successfully communicated with GAITRite Interface Module. The red light will be lit (ON) if the
computer can not successfully communicate with the GAITRite Interface Module.
Antenna (Optional)
Internal
SPEAKER
METRONOME STATUS

Connector Connector
OUTPUT
SYNC
INPUT

POWER INPUT
Connector
3.4 GAITRite Connection

A cable, nine feet long, has one end hard-wired with the GAITRite Interface Module; the other end has a
“Firewire” connector ready to plug to a Platinum Gaitrite System.
An approved extension cable can be utilized to extend the range of this connection.
Note The total length should not exceed 48 feet. Approved cables are available from our
Technical Support Department.
With power applied to the GAITRite Interface Module connect this cable to the walkway. The red light
associated with this connection, marked “GAITRite”, indicates the status of the connection between the
Interface Module and the walkway. The light will not be lit (OFF) if the connection is successful. The light will
be lit (ON) if the connector is not plugged into the walkway or the Interface Module can not communicate with
the walkway.
Antenna (Optional)
Internal
SPEAKER
METRONOME STATUS

SYNC
INPUT

POWER INPUT
Connector
3.5 Status Indicator
A yellow light, marked “STATUS”, is utilized to display errors. It blinks when a problem is encountered. The
blinking rate and the number of blinks are utilized by our Technical Support Department to identify the
problem. You are encouraged to call our Technical Support Department if you observe a blinking status light
after you start a test.
Antenna (Optional)
Internal
SPEAKER
METRONOME STATUS

SYNC
INPUT

POWER INPUT
Connector
3.6 SYNC Output Connection
The SYNC OUTPUT connection is utilized to synchronize external systems with the GAITRite walkway such
as Electromyography equipment etc.
Antenna (Optional)
Internal
SPEAKER
METRONOME STATUS

SYNC
INPUT

POWER INPUT
Connector
3.6.1 SYNC Output Light
A Yellow light, marked “SYNC OUTPUT” is employed as a visual indicator for the functions associated with
this connection.
Lit (ON)= signal at connector output is logic level high

Not Lit (OFF)= signal at connector output is logic level low (Default)
3.6.2 SYNC Output Software Controls
Logic transitions for the SYNC OUTPUT signal can be selected from a list included in the GAITRite Software.
The options are shown below:
Signal at
SYNC OUTPUT connector Description
Default When this option is selected SYNCOUT starts at level low,

Start with SYNCOUT low. During the SYNCOUT light=OFF.
first scan change SYNCOUT form Low- During the first scan the SYNCOUT signal changes state to level
to-High. At end of test change high, the light turns ON. It continues on this state until an end of
SYNCOUT back to low. test; the SYNCOUT signal will go back to level low and the light
will turn OFF.
Start with SYNCOUT high. During the When this option is selected the SYNCOUT starts at level high,
first scan change SYNCOUT form High- SYNCOUT light=ON.
to-Low. At end of test change During the first scan the SYNCOUT signal changes state to level
SYNCOUT back to high. low, the light turns OFF, not lit. It continues on this state until an
end of test; the SYNCOUT signal will go back to level high and
the light will turn ON.
Start with SYNCOUT low. Upon When this option is selected SYNCOUT starts at level low,
detecting first sensor activity change SYNCOUT light=OFF.
SYNCOUT form Low-to-High. At end of The SYNCOUT will remain low until the first sensor change is
test change SYNCOUT back to low. detected: during this scan the SYNCOUT signal will change
state to level high, the light will turn ON and will continue on this
state until an end of test: the output signal will go back to level
low and the light will turn OFF.
Start with SYNCOUT high. Upon When this option is selected SYNCOUT starts at level high,
detecting first sensor activity change SYNCOUT light=ON.
SYNCOUT form High-to-Low. At end of The SYNCOUT will remain high until the first sensor change is
test change SYNCOUT back to high. detected: during this scan the SYNCOUT signal will change
state to level low, the light will turn OFF and will continue on this
state until an end of test: the output signal will go back to level
high and the light will turn ON.
3.6.3 SYNC Output Port Electrical Characteristics
The SYNC OUTPUT signal has the following electrical characteristics:
Output Voltage Low: .1V@.5ma, .5V@15ma
Output Voltage High: +5V@.5ma, +4V@15ma
ESD protected to ±15KV
Connector: 3.5mm Stereo Jack
The diagram below provides a detailed view of the connections required at the SYNC OUTPUT connector.
Users can make their own interface cable to use between two systems or our company can provide you one.
Please call our Technical Support Department.
METRONOME STATUS
SYNC OUTPUT
connection
3.5mm Stereo Plug

SYNC
OUTPUT
SYNC signal
OUTPUT GND
SYNC
INPUT
GAITRite POWER COMPUTER

3.6.4 SYNC Output Timing Diagrams

3.7 SYNC Input Connection
Errata: 04/20/2011
This section applies to Interface Devices with “Orange” label and version numbers “F” or greater. For
all other versions, please contact our Support Department.
The SYNC INPUT connection is utilized to capture the logic state of an external signal identified as an event
by the GAITRite system. Events are inserted in the data stream of the GAITRite walkway as they occur (in
real time). Later these events will appear as time marks in the temporal parameters review.
Antenna (Optional)
Internal
SPEAKER
METRONOME STATUS

SYNC
INPUT

POWER INPUT
Connector
3.7.1 SYNC Input Light
A Yellow light, marked “SYNC INPUT” is employed as a visual indicator for the functions associated with this
connection.
Lit (ON)= signal at connector input is logic level low

Not Lit (OFF)= signal at connector input is logic level high (Default)
3.7.2 SYNC Input Software Controls
The functionality of the SYNC INPUT port is configured and enabled from your GAITRite Software. The SYNC
input port can be configured for the following:
ADDITIONAL
HARDWARE
FUNCTION REQUIRED RESULTS
Mark Event GAITRite Event When the switch gets pressed, the yellow light will
Switch with wires or go ON and a mark will be placed on the current
wireless frame of the GAITRite data.
When the switch gets released, default state, the

yellow light will go OFF and another mark will be
placed on the current frame of the GAITRite data.
Mark Event with audible GAITRite Event When the switch gets pressed, the yellow light will
tone Switch with wires or go ON, a mark will be placed on the current frame
wireless of the GAITRite data and an audible tone will be
generated by the GAITRite Interface Module.
When the switch gets released, normal state, the

yellow light will go OFF and another mark will be
placed on the current frame of the GAITRite data
without generating an audible tone.
External System Trigger External system To synchronize the GAITRite System with an
compatible with the external system the signal of the external system
electrical must meet the electrical characteristics described
characteristics of the below.
Sync Input Port
detailed below. On every logical transition (signal edge) of the
signal at the SYNC INPUT, the GAITRite walkway
will insert a mark in the GAITRite data stream.
Upon review of the temporal parameters you can

use the inserted marks to align the GAITRite
walkway data with the data of the external system.
3.7.3 SYNC Input Electrical Characteristics
The SYNC INPUT signal includes an internal pull-up resistor (2.2KOhm), and has the following
electrical characteristics:
Input Low Voltage: <=1 V
Input High Voltage: >= 2.0V
Max. Input Voltage: +5V
Delay from trigger: ±1 frame of sampling rate

External signal must be able to sink 4 ma
Minimum time low state: 18 msec
Minimum time high state: 18 msec
Max. Input Frequency: 30Hz
ESD protected to ±15KV
The diagram below provides a detailed view of the connections required at the SYNC INPUT connector.
Users can make their own interface cable to use between two systems or our company can provide you one.
Please call our Technical Support Department.
METRONOME STATUS
SYNC INPUT
connection
3.5mm Stereo Plug
SYNC
INPUT SYNC
signal OUTPUT
GND
SYNC
INPUT
GAITRite POWER COMPUTER

3.7.4 SYNC INPUT Reporting
The following diagram represents the reporting activities of the Sync Input port.
The state of the SYNC INPUT, A and A1, gets reported on the First Frame always. Subsequent
changes of the SYNC INPUT get reported within one frame of occurrence.
SYNC INPUT
FIRST FRAME STATE
REPORTING ONLY ON FIRST TEST AFTER POWER-UP
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
FRAME COUNTER
SYNC INPUT
STATE A
C E
B D
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
FRAME COUNTER
SYNC INPUT
STATE A1
B
B1 D1
C1 E1
3.8 Metronome
The Metronome function of the GAITRite Interface Module provides an audible tone at pre-selected rates
(beats/minute). A yellow light labeled “METRONOME” is associated with this function and blinks at the rate
(beats/minute). The audible tone is generated by an internal speaker located above the metronome yellow
light. Please avoid covering this area of the Interface Module enclosure.
You can enable the metronome and select the beat rate through the GAITRite Software. By default the
metronome function is disabled.
Antenna (Optional)
Internal
SPEAKER
METRONOME STATUS

SYNC
INPUT

POWER INPUT
Connector
4.0 GAITRite MEASUREMENTS & DEFINITIONS
Encapsulated within the electronic walkway are sensor pads. Each sensor pad has an active area of 24
inches square (61cm square) and contains 2,304 sensors arranged in (48x48) grid pattern. The sensors are
placed on .5 inch (1.27cm) centers. Multiple sensor pads are connected to form the desired length of the
walkway. Measurements are provided using x,y coordinates of sensors, with distance converted to cm and
time in seconds up to an accuracy of 6dp. Distance may be either the distance travelled along the plane of the
walkway or the calculated distance between locations on the walkway.
As the subject ambulates across the

walkway, the pressure exerted by the
feet onto the walkway activates the
sensors. The walkway does not only
sense the geometry of the activating
objects but also the relative arrangement
between them in a two dimensional
space. In addition, the walkway senses
the vertical component of the relative
pressure exerted by the objects.
What makes the walkway valuable for
gait analysis are the special algorithms
built into the system. The algorithms
isolate the objects and identify them as
footprints.
4.1.1 GAITRite displays and exports:

As a convention all fields that are computed independently of right/left foot result in a single
number that will normally appear in the column labeled left in the grid, numbers computed
independently for each foot will appear labeled as left or right.
4.2 FOOTPRINT ANALYSIS

The software utilizes special algorithms to automatically group sensors and form footprints. Once a footprint
has been formed it will be divided and the following areas will be identified:
1. A quadrilateral that encloses the footprint;
2. The heel, mid and toe areas of the footprint;
3. The centroid, geometric center, of each area; and
4. Each quadrilateral is divided into four equal quadrilaterals.
Each area will be examined separately.

4.2.1 Identify the quadrilateral
1
The method for defining the quadrilateral of a footprint was first developed by Shores and later improved upon
2
by Lisa Selby-Silverstein , while an automated improved version of the algorithm has been implemented by the
GAITRite system. The following steps refer to Figure 3.
1. Identify the two most outer sensors on

the medial side of the footprint, sensor 1
and sensor 3. Draw the medial line; the
line that connects sensor 1 to sensor 3.
2. Identify the two most outer sensors on

the lateral side of the footprint, sensor 5
and sensor 6. Draw the lateral line; the
line that connects sensor 5 to sensor 6.
3. Identify the rear most outer sensor(s),

sensor 2. From sensor 2 draw a line
perpendicular to the medial line. The
two lines intercept at point A. Extend
the line to intercept the lateral side at
point L.
4. Identify the front most outer sensor(s),

sensor 4. From sensor 4 draw a line
perpendicular to the medial line. The
two lines intercept at point G. Extend the
line to intercept the lateral side at point
R.
5. The formed quadrilateral (ALRG), in this case a trapezoid, encloses the footprint efficiently.
4.2.2 Identify Heel, Mid and Toe areas
Refer to Figure 3 and identify points (C) and (E); these two points divide the medial line (AG)
into three equal spaces.
From point (C), draw a line perpendicular to the medial line and extended it in order to intercept
the lateral line at point (N). Similarly, from point (E), draw a line perpendicular to the medial
line and extended it in order to intercept the lateral line at point (P).
Quadrilateral (ALNC) contains the Heel area sensors, (CNPE) contains the mid foot area
sensors and (EPRG) contains the toe area sensors.
1. Shores M. Footprint analysis in gait documentation: an instructional sheet format, Phys Ther 60:1163, 1980.
2. Silverstein LS: the effect of neutral position foot orthoses on gait of children with down syndrome. Doctoral Thesis.
PA, 1993, Hahnemann University.
4.2.3 Identify the centroid
So far, the footprint was divided into three

quadrilaterals with the intention of identifying the
sensors for the heel, mid foot and toe areas.
Figure 4, illustrates the heel area quadrilateral (ALNC),
in this case a trapezoid, and the sensors included in the
heel area of the footprint.
Point (C1), the centroid, represents the center of the
heel area. The centroid is the pivot point of the two
dimensional sensor structure shown in gray.
Figure 5, illustrates the toe area quadrilateral (EPRG),

in this case a trapezoid, and the sensors included in
the toe area of the footprint.
Point (C2), the centroid, represents the center of the
toe area. The centroid is the pivot point of the two
dimensional sensor structure shown in gray.
4.2.4 Identify the twelve quadrilaterals
As illustrated in Figure 6, in this specific footprint the quadrilaterals form trapezoids, but in other cases the
quadrilaterals could form rectangles. Point (C1), the centroid of trapezoid (ALNC) represents the heel center of
the footprint. Point (C2), the centroid of trapezoid (EPRG) represents the toe/metatarsal center point. This
footprint is geometrically represented by twelve trapezoids; six medial and six lateral area. Quadrilaterals are
formed in the two dimensional representation of the footprint in order to isolate the sensors and later perform
calculations based on the isolated sensors of each quadrilateral.
The line that connects point C1 to point C2 is the midline of the footprint.
4.3 SPATIAL PARAMETERS & DEFINITIONS
The walkway does not only sense the geometry of the activating footprints but also the relative arrangement
between them in a two dimensional space. Figure 7, illustrates three footprints.
4.3.1 Heel Center

Points (A), (D) and (G) are the heel centers of each footprint.
4.3.2 Line of Progression
It is defined as the line connecting the heel centers of two consecutive footfalls of the same foot. Illustrated in
Figure 7, the line of progression is formed by connecting point (A) to point (G).
4.3.3 Stride Length

It is measured on the line of progression between the heel points of two consecutive footprints of the same
foot (left to left, right to right). In Figure 7, (AG) is the stride length of the left foot. The unit of measure is
centimeters.
4.3.4 Step Length

It is measured along the length of the walkway, from the heel center of the current footprint to the heel center
of the previous footprint on the opposite foot. In Figure 7, the length of line (AX) is the step length of the right
foot, while the length of line (YG) is the step length of the second left foot. The step length can be a negative
value if the subject fails to bring the landing foot heel point forward of the stationary foot heel point. The unit of
measure is centimeters.
4.3.5 H-H Base of Support or Base Width

It is the vertical distance from heel center of one footprint to the line of progression formed by two footprints of
the opposite foot. In Figure 7, the height of the triangle (ADG) is (DL) which is the base width of the right foot.
The unit of measure is centimeters.
4.3.6 Toe In / Toe Out

It is the angle between the line of progression and the midline of the footprint. In Figure 7, theta is the angle
between the mid-line of the right footprint and the line of progression. Angle theta is zero if the geometric mid-
line of the footprint is parallel to the line of progression; positive, toe-out, when the mid-line of the footprint is
outside the line of progression and negative, toe-in, when inside the line of progression. The unit of measure is
degrees.
4.3.7 Distance Traveled

It is measured on the horizontal axis from the heel center of the first footprint to the heel center of the last
footprint. The unit of measure is centimeters.
4.3.8 Leg Length (LL)

It is measured in centimeters from the greater trochanter to the floor, bisecting the lateral Malleolus. Each leg
should be measured separately. The unit of measure is centimeters.
4.3.9 Step/Extremity Ratio

It is defined as the Step Length divided by the Leg Length of the same leg. The result is an absolute number.
4.3.10 Step Width

It is measured from the
midline midpoint of the
current footprint to the
midline midpoint of the
previous footprint on the
opposite foot. In Figure 8,
distance (XY) is the right
step width, while distance
(YZ) is the left step width.
The unit of measure is
centimeters.
4.3.11 Stride width

It is the vertical distance
from midline midpoint of
one footprint to the line
formed by midline
midpoints of two footprints
of the opposite foot. In
Figure 8, the height of the
triangle (XYZ) is (YP)
which is the stride width of
the right foot. The unit of
measure is centimeters.
4.3.12 Length of Foot
It is calculated by multiplying the midline of the footprint (connecting point C1 to point C2 in Figure 6), by
1.5. The unit of measure is cm.
4.3.13 Width of Foot
It is measurement of Point Q to Point F in Figure 6. The unit of measure is cm.

4.4 TEMPORAL DEFINITIONS
Figure 9
4.4.1 First Contact
It is the time that the first sensor appears in any quadrilateral. It is expressed in seconds (sec).
4.4.2 Heel Contact

It is the time that the first sensor appears in the heel quadrilateral of the foot. It is expressed in seconds (sec).
4.4.3 Last Contact

It is the time that the last sensor goes off in any quadrilateral. It is expressed in seconds (sec).
4.4.4 Toe Off

It is the time that the last sensor turns off in the forefoot quadrilateral of the foot. It is expressed in seconds
(sec).
4.4.5 Step Time

It is the time elapsed from first contact of one foot to first contact of the opposite foot. It is measured in
seconds (sec).
4.4.6 Stride Time

It is the time elapsed between the first contacts of two consecutive footfalls of the same foot. It is measured in
seconds (sec).
4.4.7 Gait Cycle Time

It is the elapsed time between the first contacts of two consecutive footfalls of the same foot. It is measured in
seconds (sec).
4.4.8 Ambulation Time

It is the time elapsed between first contact of the first and the last footfalls. It is measured in seconds (sec).
4.4.9 Velocity
It is obtained after dividing the Distance Traveled by the Ambulation time. It is expressed in centimeters per
second (cm/sec)
.
4.4.10 Mean Normalized Velocity
It is obtained after dividing the Velocity by the Average Leg Length and it is expressed in leg length per
second (LL/sec). The average Leg Length is computed (left leg length + right leg length)/2.
4.4.11 Stride Velocity

It is obtained after dividing the Stride Length by the Stride Time. It is expressed in centimeters per second
(cm/sec).
4.4.12 Single Support and % Single Support

It is the time elapsed between the Last Contact of the current footfall to the First Contact of the next footfall of
the same foot. Refer to Figure 9, Single Support time is equal to the Swing Time of the opposite foot. It is
measured in seconds (sec) and expressed as a percent of the Gait Cycle time of the same foot.
4.4.13 Initial Double Support and %Initial Double Support

The two periods when both feet are on the floor, are called initial double support and terminal double
support. Initial double support occurs from heel contact of one footfall to toe-off of the opposite footfall. It is
measured in seconds (sec) and also expressed as a percent of the Gait Cycle time for the same foot. Refer to
Figure 9, DS1 is the Initial Double Support for the right foot, while the DS2 is the Initial Double Support for the
left foot.
4.4.14 Terminal Double Support and %Terminal Double Support

support. Terminal double support occurs from opposite footfall heel strike to support footfall toe-off. It is
measured in seconds (sec) and also expressed as a percent of the Gait Cycle time for the same foot. Refer to
Figure 9, DS2 is the Terminal Double Support for the right foot.
4.4.15 Total Double Support and %Total Double Support

support. Initial double support occurs from heel contact of one footfall to toe-off of the opposite footfall.
Terminal double support occurs from opposite footfall heel strike to support footfall toe-off. Total double
support is the sum of the initial double support added to the terminal double support. It is measured in
seconds (sec) and also expressed as a percent of the Gait Cycle time for the same foot. Refer to Figure
9, the sum (DS1+DS2) is the Total Double Support for the right foot, while the sum (DS2+DS3) is the Total
Double Support for the left foot.
4.4.16 Stance Time and % Stance

The stance phase is the weight bearing portion of each gait cycle. It is initiated by heel contact and ends with
toe off of the same foot. It is the time elapsed between the First Contact and the Last Contact of two
consecutive footfalls on the same foot. It is also presented as a percentage of the Gait Cycle time.
4.4.17 Contact phase

It begins with heel strike and continues until
about 22% of the stance phase. Forefoot loading
terminates contact phase.
4.4.18 Midstance phase or Foot Flat

It begins with the first sign of forefoot loading.
The end of midstance is heel-lift of the support
limb. This occurs at about 50% of the stance.
4.4.19 Propulsive phase

This is the final 50% of the stance phase. It
begins heel lift until toe off.
4.4.20 Swing Time and %Swing

It is initiated with toe off and ends with heel strike.
It is the time elapsed between the Last Contact of
the current footfall to the First Contact of the next
footfall on the same foot. It is expressed in
seconds (sec) and it is also presented as a percent of the Gait Cycle of the same foot. The Swing Time is
equal to the Single Support time of the opposite foot.
4.4.21 Heel off/on

This is the heel on time for the next foot minus the heel off time for this foot.
4.4.22 Walk Ratios

Currently the %GC is calculated by producing a ratio based on the mean values of the variable and the mean
value of the gait cycles.
4.4.23 Heel%, mid foot% and toe% temporal values.

The percentage time Heel only, toe only and mid foot values are determined from heel on to toes off and the
mid section temporal values. These values are displayed in the temporal data and are different to the contact,
mid stance and propulsive phases described above.
Heel only is that time that only the heel is on the floor:
Heel On - Heel On
Mid section is the time when the foot mid section is on the floor, excludes heel/toe only:
Mid section = Mid Off - Mid On
Toe only is the time that only the toe is on the floor:
Toe Off - Mid Off
Percentage values can only be calculated correctly for walks where the heel contact is the earliest foot event
and the toe off the last event.
4.4.24 Means and Standard Deviations.

Means and standard deviation of Footfall measured events are calculated at the footfall level.
Means and Standard deviations (SD), % Coefficient of Variance (%CV) of Gait Cycle events are calculated
using the summary data. The SD is determined as the sample SD, the root of the sums of variance’s from the
mean divided by n-1.
The % Coefficient of variance is the standard deviation divided by the mean multiplied by 100.
SD calculations of foot width or foot length by Left & Right feet are not implemented.
4.5 SWITCHING LEVELS
The GAITRite walkway’s unique and patented sensor avoids false peripheral activation. Each sensor has
been constructed with two flexible elements riding on a pivot point. When pressure is applied to the sensor
both elements must flex around the pivot point to initiate activation, otherwise the pivot point will toggle the
sensor in either side without activation. After activation, the sensor begins to change its value linearly with
the vertical component of pressure exerted upon it.
The walkway contains thousands of sensors,
therefore calibration of each and every sensor
Color Switching level is not impossible but cost prohibitive. Pressure
values are normalized and expressed as a
Dark Gray 1=lowest percent of the maximum pressure and then
divided into levels. Currently there are seven
Light Gray 2 switching levels, illustrated in Table 1.
The walkway does not only sense the
Cyan 3 geometry of the activating footprints but also
the relative arrangement between them in a
Yellow 4 two dimensional plane and the relative vertical
component of pressure exerted by each
Magenta 5 footprint.
The pressure is represented by a switching
Red 6 level. As discussed earlier, the division of the
footprint provides us with twelve sections; six
Blue 7=highest sections are located in the medial side of the
footprint and six in the lateral. Each section
contains a number of activated sensors
Table 1. Switching Levels, Color Assignment. enclosed within a trapezoid. The GAITRite
algorithms utilize the sectional division to
identify the activated sensors included within
each quadrilateral and then perform
calculations to objectively describe the
behavior of the section.
As illustrated in Figure 11, medial trapezoid (AHIB) includes the following sensors: 1,2,3,4,6 and 7.
Lateral trapezoid (HLMI) includes the sensors: 5,10,11,15 and 16. A sensor can be claimed by only one
trapezoid and not shared by others. Sensor 4, has most of its surface area within trapezoid (AHIB) and
will be claimed only by this trapezoid. If the surface area of a sensor is equally divided among two or
more quadrilaterals, i.e. sensor 12, then the sensor will be claimed by the first trapezoid in the algorithm.
The results of the switching parameters are presented in the format illustrated in Table 2.
4.6 Switching Level Parameters
1. P*t for a section, is the sectional integrated pressure over time expressed as a percent of the overall
integrated pressure over time. The overall P*t can be found by summing the P*t of each sensor,
sectional P*t can be found by summing the P*t of the sensors included in the particular section also
expressed as a percent of the overall P*t. As illustrated in Figure 12, P*t for sensor 1 is the total area
under the curve calculated by:
2. (P*t)s1=(.020-.010)*1+(.030-.020)*2+ ......+(.070-.060)*6+.........+(.140-.130)*1
3. Peak Time for a section is the first time point that one or more sensors within a section was at the
maximum switching level. Assume that a section included only the two sensors, illustrated in Figure
12; the peak time is at .060 seconds. Time count begins from first contact of the footprint.
2
4. Area of a section is expressed in centimeters squared (cm ) and represents the sum of the active
sensor areas within a section. Each sensor has an area of .5 in x .5 in or (1.27 cm x 1.27 cm).
5. Peak P(ressure) for a section, is the maximum sectional switching level expressed as a percent of the
overall maximum switching level. Sectional switching level occurs at the peak time of the section.
Assume that a section included only the two sensors illustrated in Figure 12, then peak time is at .060
seconds and a peak switching level of 6, then expressed as a percent of the overall maximum
switching level.
<(H <(I <(V <(S <(T <(J

P*t
Peak
Area
Peak P
<(A <(B <(C <(D <(E <(F
<P*t>
<Peak
<Area>
<Peak P>
Table 2. Switching Levels by Section.
5.0 WARRANTY INFORMATION
5.1 Software
The software is licensed to the end user for use with the GAITRite System. It may be installed on any number
of computers, within the purchasing organization, for this application without any additional fee. Copies of the
software may not be resold. No transfer of copyright is granted or implied by this agreement.
5.2 License Key

As shipped the software can run basic functions. In order to access advanced functions, a license key,
generated based on your purchase information, is sent separately via carrier or email.
5.3 Software Updates

To obtain the latest software release, please visit www.gaitrite.com/
5.4 WARRANTY
This product is warranted for 12 (twelve) months from date of shipment, for manufacturing defects and/or
component failures. Defective equipment will be replaced or repaired at the discretion of CIR Systems Inc.
Warranty will be voided by the limitations listed in this document.
5.5 PROOF OF WARRANTY

Please retain your invoice/delivery note as proof of warranty.
5.6 EXTENDED WARRANTY

Extended warranty may be purchased separately by conducting our sales office.
5.7 SALES AND SERVICE
CIR Systems Inc.

8 John Walsh Blvd.
Suite 429
Peekskill NY 10566
Phone:914.734.8178
FAX: 914.734.8179
6.0 DOCUMENT UPDATES
Revision Revision Revision

Level Date Description of Revision Author
DRAFT 01/22/2003 Draft
A 04/22/2003 Initial Release
B 06/22/2008 Results of independent laboratory testing
C 02/11/2010 ISO 14971:2007 risk analysis
D 02/11/2011 Inserted SYNCH INPUT diagram
E 04/20/2011 SYNC INPUT Errata and definitions for foot

width/length.
F 02/12/2011 Corrected Step Length Definition

(ECN#02122011)
G 1/10/2012 GC Editorial update of technical manual and

additional sections describing temporal values
4.3.21 - 23
H 2/24/12 GC 4.1.1 added – displays and exports of right &

left and non foot specific fields noted.
I 4/27/12 GC 4.4.24 added definitions for SD & %CV

J 6/11/2012 GC Updated definitions-Ft Length & Width SD’s
by R & L not calculated
K 6/13/12 GC Additional clarification of measurements
definitions added based on client request.
Export fields appendix included
L 5/6/2013 GC Updated addtess of manufacturer GC
Correction to field name listing for
“Supp Base On Std Dev Right” to
“Supp Base Std Dev Right” (matches updated
language.mdb)
7.0 Appendix: Export fields

All measured and calculated fields are available for export from within the GAITRite
software. It is not recommended that clients manipulated the gaitrite database but rather
they export the data to excel.
Source Data
Field Name set Description
Pt Record # Patient GAITRite Patient Record number
Patient Id Number Patient Patient Id Number
Medical Record # Patient Medical Record Number
Last Name Patient Last Name
First Name Patient First Name
Middle Initial Patient Middle Initial
Gender Patient Gender
Birthdate Patient Birth date
Age Patient Age
Height Patient Height
Weight Patient Weight
Primary Doctor Id Patient Primary Doctor Id
Primary Doctor Name Patient Primary Doctor Name
Secondary Dr Code Patient Secondary Dr Code
Secondary Dr Name Patient Secondary Dr Name
Leg Length Left Patient Leg Length Left
Leg Length Right Patient Leg Length Right
Problem Id Code Patient Problem Id Code
Problem Description Patient Problem Description
Registered on Date Patient Registered on Date
Last Tested On Date Patient Last Tested On Date
Last FAP score Patient Last FAP score
Prime Contact Name Patient Prime Contact Name
Phone number Patient Phone number
Fax Number Patient Fax Number
Address line 1 Patient Address line 1
Address Line 2 Patient Address Line 2
City Patient City
State Patient State
Zip Patient Zip
Country Patient Country
Location Patient Location
Discharge Date Patient Discharge Date
Discharge Flag Patient Discharge Flag
Footfall Id Pattern Code Patient Footfall Id Pattern Code
Test Record # GAITRite Test GAITRite Test Record number
Pt Record # GAITRite Test GAITRite Patient Record number
Source Data
Date / Time of Test GAITRite Test Date / Time of Test
Distance GAITRite Test Distance
Ambulation Time GAITRite Test Ambulation Time
Velocity GAITRite Test Velocity
Step Count GAITRite Test Step Count
Cadence GAITRite Test Cadence
Step Time(sec) L GAITRite Test Step Time(seconds) Left
Step Length(cm) L GAITRite Test Step Length(cm) Left
Step Time(sec) R GAITRite Test Step Time(sec) Right
Step Length(cm) R GAITRite Test Step Length(cm) Right
Step Extremity(ratio) L GAITRite Test Step Extremity(ratio) Left
Step Extremity(ratio) R GAITRite Test Step Extremity(ratio) Right
Cycle Time(sec) L GAITRite Test Cycle Time(seconds) Left
Cycle Time(sec) R GAITRite Test Cycle Time(seconds) Right
Stride Length(cm) L GAITRite Test Stride Length(cm) Left
Stride Length(cm) R GAITRite Test Stride Length(cm) Right
HH Base Support (cm) L GAITRite Test Heel Heel Base Support (cm) Left
HH Base Support (cm) R GAITRite Test Heel Heel Base Support (cm) Right
Swing % of Cycle L GAITRite Test Swing percent of Cycle Left
Swing % of Cycle R GAITRite Test Swing percent of Cycle Right
Swing Time(sec) L GAITRite Test Swing Time(seconds) Left
Swing Time(sec) R GAITRite Test Swing Time(seconds) Right
Stance % of Cycle L GAITRite Test Stance percent of Cycle Left
Stance % of Cycle R GAITRite Test Stance percent of Cycle Right
Stance Time(sec) L GAITRite Test Stance Time(seconds) Left
Stance Time(sec) R GAITRite Test Stance Time(seconds) Right
Single Supp % Cycle L GAITRite Test Single Support percent Cycle Left
Single Supp % Cycle R GAITRite Test Single Support percent Cycle Right
Single Supp. Time(sec) L GAITRite Test Single Support Time(sec) Left
Single Supp. Time(sec) R GAITRite Test Single Support Time(sec) Right
Double Supp % Cycle L GAITRite Test Double Support percent Cycle Left
Double Supp % Cycle R GAITRite Test Double Support percent Cycle Right
Double Supp. Time(sec) L GAITRite Test Double Support Time(sec) Left
Double Supp. Time(sec) R GAITRite Test Double Support Time(sec) Right
Step Time Differential GAITRite Test Left: Right foot Step time ratio
Step Length Differential GAITRite Test Left: Right foot Step Length ratio
Cycle Time Differential GAITRite Test Left: Right foot Cycle time ratio
Functional Amb. Profile GAITRite Test FAP score
Treatment Count GAITRite Test Treatment Count
Footfalls GAITRite Test Footfalls
Comments GAITRite Test Comments
Normalized Velocity GAITRite Test Velocity normalized using leg length
Source Data
Leg Length (cm) L GAITRite Test Leg Length (cm) Left
Leg Length (cm) R GAITRite Test Leg Length (cm) Right
Number of Passes GAITRite Test Number of Passes
Ambulatory Devices GAITRite Test User defined
Ambulatory Aids GAITRite Test User defined
User GAITRite Test User
Toe In / Out L GAITRite Test Angle of toe
Toe In / Out R GAITRite Test Angle of toe
Heel Off On Time L GAITRite Test Heel Off On Time Left
Heel Off On Time R GAITRite Test Heel Off On Time Right
Heel Off On Perc L GAITRite Test Heel Off On Percent Left
Heel Off On Perc R GAITRite Test Heel Off On Percent Right
Double Support Load Time L GAITRite Test Double Support Load Time Left
Double Support Load Time R GAITRite Test Double Support Load Time Right
Double Support Load %GC L GAITRite Test Double Support Load Percent Gait Cycle Left
Double Support Load %GC R GAITRite Test Double Support Load Percent Gait Cycle Right
Double Support Unload Time L GAITRite Test Double Support Unload Time Left
Double Support Unload Time R GAITRite Test Double Support Unload Time Right
Double Support Unload %GC L GAITRite Test Double Support Unload Percent Gait Cycle Left
Double Support Unload %GC R GAITRite Test Double Support Unload Percent Gait Cycle Right
Asst, Ortho, etc. 1 GAITRite Test User defined
Type of Test GAITRite Test User defined
Software Version GAITRite Test Software Version
Number of Pads GAITRite Test Number of Pads
Normal Group Code GAITRite Test Normal Group Code
Standard Walk Steps GAITRite Test Standard Walk Steps
Standard Amb Time GAITRite Test Standard Ambulation Time
Stride Velocity Left GAITRite Test Stride Velocity Left
Stride Velocity Right GAITRite Test Stride Velocity Right
Shoe Flag GAITRite Test Shoe Flag
Expected Foot Length GAITRite Test Expected Foot Length
Expected Foot Width GAITRite Test Expected Foot Width
Foot Length Left GAITRite Test Foot Length Left
Foot Width Left GAITRite Test Foot Width Left
Foot Length Right GAITRite Test Foot Length Right
Foot Width Right GAITRite Test Foot Width Right
Step Len Std Dev Left GAITRite Test Step Length Standard Deviation Left
Step Len Std Dev Right GAITRite Test Step Length Standard Deviation Right
Source Data
Step Time Std Dev Left GAITRite Test Step Time Standard Deviation Left
Step Time Std Dev Right GAITRite Test Step Time Standard Deviation Right
Stride Length Std Dev Left GAITRite Test Stride Length Standard Deviation Left
Stride Length Std Dev Right GAITRite Test Stride Length Standard Deviation Right
Stride Time Std Dev Left GAITRite Test Stride Time Standard Deviation Left
Stride Time Std Dev Right GAITRite Test Stride Time Standard Deviation Right
Swing Time Std Dev Left GAITRite Test Swing Time Standard Deviation Left
Swing Time Std Dev Right! GAITRite Test Swing Time Standard Deviation Right
Stance Time Std Dev Left GAITRite Test Stance Time Standard Deviation Left
Stance Time Std Dev Right GAITRite Test Stance Time Standard Deviation Right
Stride Velocity Std Dev Left GAITRite Test Stride Velocity Standard Deviation Left
Stride Velocity Std Dev Right GAITRite Test Stride Velocity Standard Deviation Right
Single Supp Time Std Dev Left GAITRite Test Single Support Time Standard Deviation Left
Single Supp Time Std Dev Right GAITRite Test Single Support Time Standard Deviation Right
Double Supp Time Std Dev Left GAITRite Test Double Support Time Standard Deviation Left
Double Supp Time Std Dev Right GAITRite Test Double Support Time Standard Deviation Right
Heel Off On Std Dev Left GAITRite Test Heel Off On Standard Deviation Left
Heel Off On Std Dev Right GAITRite Test Heel Off On Standard Deviation Right
Supp Base Std Dev Left GAITRite Test Support Base Standard Deviation Left
Supp Base Std Dev Right GAITRite Test Support Base Standard Deviation Right
Foot Length Std Dev Left GAITRite Test Foot Length Standard Deviation Left
Foot Length Std Dev Right GAITRite Test Foot Length Standard Deviation Right
Foot Width Std Dev Left GAITRite Test Foot Width Standard Deviation Left
Foot Width Std Dev Right GAITRite Test Foot Width Standard Deviation Right
Computer Time (MSec) GAITRite Test Computer Time (MSec)
Trigger 1 0 GAITRite Test Metronome first beep time
Trigger 1 1 GAITRite Test Not used
Trigger 2 0 GAITRite Test Switch first time pressed
Trigger 2 1 GAITRite Test Not used
Trigger 1 E GAITRite Test Metronome last beep time
Trigger 1 E 1 GAITRite Test Not used
Trigger 2 E GAITRite Test Switch last time pressed
Trigger 2 E 1 GAITRite Test Not used
Inclinometer1 GAITRite Test Tray inclinometer
Inclin_Avg_Tilt_LR GAITRite Test Tray Inclinometer Average Tilt Left to Right
Inclin_Avg_Tilt_FB GAITRite Test Tray Inclinometer Average Tilt Front to Back
Inclin_Min_Tilt_LR GAITRite Test Tray Inclinometer Minimum Tilt Left to Right
Inclin_Max_Tilt_LR GAITRite Test Tray Inclinometer Maximum Tilt Left to Right
Inclin_Max_Tilt_FB GAITRite Test Tray Inclinometer Maximum Tilt Front to Back
Inclin_Min_Tilt_FB GAITRite Test Tray Inclinometer Minimum Tilt Front to Back
Inclin_Veloc_Tilt_LR GAITRite Test Tray Inclinometer Velocity Tilt Left to Right
Inclin_Veloc_Tilt_FB GAITRite Test Tray Inclinometer Velocity Tilt Front to Back
Source Data
Inclin_SD_Tilt_LR GAITRite Test Tray Inclinometer Standard Deviation Tilt Left to Right
Inclin_SD_Tilt_FB GAITRite Test Tray Inclinometer Standard Deviation Tilt Front to Back
Inclinometer2 GAITRite Test Cup inclinometer
Inclin2_Avg_Tilt_LR GAITRite Test Cup Inclinometer Average Tilt Left to Right
Inclin2_Avg_Tilt_FB GAITRite Test Cup Inclinometer Average Tilt Front to Back
Inclin2_Min_Tilt_LR GAITRite Test Cup Inclinometer Minimum Tilt Left to Right
Inclin2_Max_Tilt_LR GAITRite Test Cup Inclinometer Maximum Tilt Left to Right
Record # Detail GAITRite Record Number
Test Record # Detail GAITRite Test Record Number
Pt Record # Detail GAITRite Patient Record Number
FootFall Object # Detail Foot Fall Object Number
Date / Time Stamp Detail Date / Time Stamp
Heel X Detail Sensor Location
Heel Y Detail Sensor Location
Toe X Detail Sensor Location
Toe Y Detail Sensor Location relative to pressure
Lowest X Detail Sensor Location relative to pressure
Highest X Detail Sensor Location relative to pressure
Lowest Y Detail Sensor Location relative to pressure
Highest Y Detail Sensor Location relative to pressure
First Contact Time Detail First Contact Time
Last Contact Time Detail Last Contact Time
Foot Flat Time Detail Foot Flat Time
Begin Time Detail Begin Time
End Time Detail End Time
Left/Right Foot Detail Left/Right Foot
Step Length Detail Step Length
Stride Length Detail Stride Length
Base of Support Detail Base of Support
Step Time Detail Step Time
Stride Time Detail Stride Time
Swing Time Detail Swing Time
Stance Time Detail Stance Time
Single Support Time (sec) Detail Single Support Time (sec)
Double Support Time (sec) Detail Double Support Time (sec)
Stride Velocity Detail Stride Velocity
Real Foot Flag Detail Real Foot Flag
Pass Number Detail Pass Number
Toe In / Out Detail Toe In / Out
Step Width Detail Step Width
Stride Width Detail Stride Width
Heel On Detail Heel On
Source Data
Heel Off Detail Heel Off
Mid On Detail Mid On
Mid Off Detail Mid Off
Toe On Detail Toe On
Toe Off Detail Toe Off
Heel off/on Detail Heel off/on
Double Support Loading Detail Double Support Loading
Double Support Unloading Detail Double Support Unloading

Technische Aspecten GAITrite Walkway System

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Technische Aspecten GAITrite Walkway System

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(47DevM2) GAITRite Electronic Walkway Technical Reference (WI-02-15) Rev.

GAITRite Electronic Walkway

1.0 PRODUCT INFORMATION .......................................................................................... 5

2.0 The GAITRite Walkway .................................................................................................. 6

3.0 The GAITRite Platinum Interface .................................................................................. 14

4.0 GAITRite MEASUREMENTS & DEFINITIONS ........................................................ 28

4.3.11 Stride width ...................................................................................................................... 33

5.0 WARRANTY INFORMATION ....................................................................................42

6.0 DOCUMENT UPDATES ...............................................................................................44

7.0 Appendix: Export fields ..................................................................................................45

1.0 PRODUCT INFORMATION

Product Name The GAITRite Electronic Walkway

Manufacturer CIR Systems Inc.

Address 376 Lafayette Rd,

Country of United States

ISO 13485:2012 + AC:2012 (ISO 13485:2003)

2.0 The GAITRite Walkway

2.1 Intended Use

Master Power Indicator

2.2 Safety Instructions

• Do not use damaged or frayed GAITRite equipment.

2.3 Connecting the Walkway

To connect the GAITRite walkway follow these steps:

1. Make sure the computer is turned on

The GAITRite walkway is considered an ESD (Electrostatic Discharge) sensitive

2.4 Connection Problems

2.5 Service Procedure

2.6 Cleaning Instructions

• Allow the walkway to dry completely before use.

2.7 Storage and transporting

2.8 Environmental Specifications for the GAITRite System

2.9 Classification of the GAITRite System

Regulatory information Classification/Specification

2.10 GAITRite Walkway Technical Specifications

Parameter Walkway Specification

35.25” x 276” x .125” (.250” height of electronics box)

Spatial Resolution .5” (1.27cm)

Spatial Resolution Accuracy ±.5” (±1.27cm)

Sample Rate 60, 80, 100, 120,180, 240Hz

Temporal Accuracy ±1 sample

Each Walkway is placed over existing walkway previously

Walkway Top Cover Flame retardant, anti-slip vinyl

Walkway Bottom Cover Open cell neoprene rubber

Internal Materials Uncoated polyesters

2.11 GAITRite Electrical Ratings

2.12 Electromagnetic compatibility

2.13 Electromagnetic Emissions-Guidance and manufacturer’s declaration

The Gaitrite Walkway System is intended for use in the electromagnetic

Emissions Test Compliance Electromagnetic environment –

RF Emissions CISPR 11 Group 2

RF Emissions CISPR 11 Class A

Immunity test IEC60601 test Complian Electromagnetic environment –

Electrostatic discharge ±6kV Contact Complies

Radiated RF IEC 3 V/m 80MHz Complies

Electrical fast transient ±2kV power line ±1kV Complies

2.14 Walkway Disposal

3.0 The GAITRite Platinum Interface

3.1 Interface Utilities

• Power Input connection;