Thank You For Your Support!: Central
Thank You For Your Support!: Central
Thank You For Your Support!: Central
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Document Background:
This document began as a personal study tool while I was taking Gross
Anatomy, in the Doctor of Physical Therapy program at Slippery Rock
University of Pennsylvania.
References:
Copyright:
Individuals who download these tables may evaluate them for 10 days,
and after which the $2.00 shareware fee should be remitted. No part of
this document may be reproduced without permission from Darryl G.
Hosford. Please retain this information page with each reproduction of
the muscle tables, in whole or in part. Copyright 1997 by Darryl G.
Hosford, all rights reserved.
Table of Contents:
Superficial Back Musculature....................................................................1
Shoulder Girdle Musculature.....................................................................2
Pectoral Musculature ................................................................................2
Brachium Musculature ..............................................................................3
Antebrachial Flexor Musculature...............................................................3
Antebrachial Extensor Musculature...........................................................5
Hand & Wrist Musculature........................................................................6
Gluteal Musculature ..................................................................................7
Posterior Thigh Musculature .....................................................................8
Adductor (Anteromedial) Thigh Musculature.............................................8
Anterior Thigh Musculature.......................................................................9
Posterior Leg Musculature ......................................................................10
Lateral Leg Musculature..........................................................................11
Anterior Leg Musculature ........................................................................11
Foot Musculature ....................................................................................12
Splenius Musculature..............................................................................13
Origin
Insertion
Action
Blood
Nerve
Trapezius
transverse cervical
artery
1. motor: spinal
accessory (XI
cranial)
2. sensory: ventral
ramii of C3 & C4
(possibly C2)
Latissimus dorsi
thoracodorsal artery
thoracodorsal nerve,
C6,7,8
Origin
Insertion
Action
Blood
Nerve
Levator scapulae
transverse cervical
artery
Rhomboid minor
Rhomboid major
Serratus anterior
Deltoid
Supraspinatus
deep branch of
transverse cervical
artery or
dorsal scapular artery
deep branch of
transverse cervical
artery or
dorsal scapular artery
1. lateral thoracic
artery supplies the
upper part
2. thoracodorsal artery
supplies the lower
part
1. posterior humeral
circumflex artery
2. deltoid branch of
thoracoacromial
artery
suprascapular artery
(poorly supplied)
Infraspinatus
Teres minor
Teres major
Subscapularis
axillary nerve,
1. anterior portion, C5
2. middle & posterior
portions, C5,6
suprascapular nerve,
C5,6
1. suprascapular
artery
2. scapular circumflex
artery
scapular circumflex
artery
suprascapular nerve,
C5,6
thoracodorsal artery
lower subscapular
nerve, C5,6
branches of
subscapular artery
Pectoral Musculature
Muscle
Origin
Insertion
Action
Blood
Nerve
Subclavius
nerve to the
subclavius, C5,6
Pectoralis major
clavicular branch of
thoracoacromial
artery
1. pectoralis branch of
thoracoacromial
artery
2. lateral thoracic
artery (lesser
supply)
lateral thoracic artery
Pectoralis minor
1. lateral pectoral
nerve, C5,6,7 to
clavicular portion
2. medial pectoral
nerve, C8,T1 to
sternal portion
medial pectoral nerve,
C8,T1
Brachium Musculature
Flexors:
Muscle
Origin
Insertion
Action
Blood
Nerve
Coracobrachialis
Biceps brachii
muscular branches of
the brachial artery
muscular branches of
brachial artery
musculocutaneous
nerve, C5,6,(C7)
musculocutaneous
nerve, C5,6
Brachialis
1. ulnar tuberosity
2. coronoid process of ulna slightly
1. muscular branches
of the brachial
artery
2. superior ulnar
collateral artery
3. profunda brachii
artery
Extensors:
Triceps brachii
Anconeus
1. muscular branches
of brachial artery
2. radial recurrent
artery
Origin
Insertion
Action
Blood
Nerve
Pronator teres
1. humeral head:
a) upper portion of medial epicondyle
via the CFT (common flexor tendon)
b) medial brachial intermuscular
septum
2. ulnar head: coronoid process of ulna
3. antebrachial fascia
1. medial epicondyle of the humerus via the
CFT
2. antebrachial fascia
1. medial epicondyle via the CFT
2. antebrachial fascia
1. muscular branches
of ulnar artery
2. muscular branches
of radial artery
muscular branches of
radial artery
muscular branches of
ulnar artery
1. muscular branches
of ulnar artery
2. muscular branches
of radial artery
median nerve,
C7,8,T1
1. muscular branches
of the ulnar artery
2. muscular branches
of the radial artery
3. anterior
interosseous artery
(from ulnar artery)
1. muscular branches
of radial artery
2. anterior
interosseous artery
Flexor carpi
radialis
Palmaris longus
Flexor carpi
ulnaris
Flexor digitorum
superficialis
Flexor digitorum
profundus
Flexor pollicis
longus
Pronator
quadratus
muscular branches of
ulnar artery
1. anterior
interosseous artery
2. muscular branches
of the radial artery
Origin
Insertion
Action
Blood
Nerve
Brachioradialis
Extensor carpi
radialis longus
Extensor carpi
radialis brevis
Extensor
digitorum
Extensor digiti
minimi
Extensor carpi
ulnaris
Supinator
Abductor pollicis
longus
Extensor pollicis
brevis
Extensor pollicis
longus
Extensor indicis
posterior interosseous
artery
posterior interosseous
nerve of radial
nerve, C6,7,8
posterior interosseous
artery
posterior interosseous
nerve of radial
nerve, C6,7,(C8)
posterior interosseous
nerve of radial
nerve, C6,7,8
Origin
Insertion
Action
Blood
Nerve
Abductor pollicis
brevis
superficial palmar
branches of radial
artery
recurrent branch of
median nerve,
C8,T1
Flexor pollicis
brevis
1. superficial head
a) distal border of flexor retinaculum
b) trapezium
2. deep head
a) floor of carpal tunnel
b) indirectly to scaphoid & trapezium
Opponens pollicis
Adductor pollicis
Abductor digiti
minimi
Flexor digiti
minimi brevis
Opponens digiti
minimi
Palmar interossei
Dorsal interossei
Lumbricals
Palmaris brevis
1. superficial head:
recurrent branch of
median nerve,
C8,T1
2. deep head: deep
branch of ulnar
nerve, C8,T1
recurrent branch of
median nerve,
C8,T1
deep branch of ulnar
nerve, C8,T1
superficial palmar
branches of ulnar
artery
deep palmar branches
of ulnar artery
superficial branch of
ulnar nerve, C8,T1
deep branch of ulnar
nerve, C8,T1
palmar metacarpal
artery of deep
palmar arch
Gluteal Musculature
Muscle
Origin
Insertion
Action
Blood
Nerve
1. superior gluteal
artery
2. lateral femoral
circumflex artery
Gluteus maximus
1. inferior gluteal
artery (primary)
2. superior gluteal
artery
Gluteus medius
Gluteus minimus
Piriformis
nerve to piriformis,
S1,2
Superior gemellus
ischial spine
Obturator internus
Inferior gemellus
1. superior gluteal
artery
2. inferior gluteal
artery
inferior gluteal artery
Quadratus femoris
nerve to obturator
internus, L5,S1,2
nerve to quadratus
femoris, L4,5,S1
Origin
Insertion
Action
Blood
Nerve
Semitendinosus
ischial tuberosity
ischial tuberosity
1. perforating
branches of
profunda femoris
2. inferior gluteal
artery (to upper)
Semimembranosus
Biceps femoris
1. head of fibula
2. maybe to the lateral tibial condyle
Adductor magnus
ischial tuberosity
(posterior fibers)
Origin
Insertion
Action
Blood
Nerve
Adductor longus
muscular branches of
femoral artery
Adductor brevis
Adductor magnus
muscular branches of
profunda femoris
1. anterior fibers:
obturator nerve,
L2,3,4
2. posterior fibers:
tibial nerve of
sciatic bundle, L4,5
obturator nerve, L2,3,4
(Complete muscle
is listed here,
posterior fibers
were also listed in
anterior thigh.)
Gracilis
Obturator externus
obturator artery
Origin
Insertion
Action
Blood
Nerve
Sartorius
muscular branches of
profunda femoris
artery
saphenous branch of
descending
genicular artery
lateral femoral
circumflex artery
femoral nerve,
(L2),L3,4
Quads:
Rectus femoris
Vastus lateralis
Vastus
intermedius
Vastus medialis
Articularis genus
(distinct part of
vastus intermedius)
Deep flexors:
Iliacus
Psoas major
Pectineus
(This muscle could
be classified with
the medial thigh
muscles if supplied
by obturator nerve.)
muscular branches of
profunda femoris
artery
saphenous branch of
descending
genicular artery
lateral femoral
circumflex artery
1. iliolumbar artery
2. deep circumflex
iliac artery
1. iliolumbar artery
2. lumbar artery
3. subcostal artery
muscular branches of
medial femoral
circumflex artery
Origin
Insertion
Action
Blood
Nerve
1. sural branches of
popliteal artery
2. muscular branches
of peroneal artery
3. posterior tibial artery
sural branches of
popliteal artery
Tibialis posterior
Flexor hallucis
longus
Gastrocnemius
Soleus
Plantaris
Deep:
Popliteus
Flexor digitorum
longus
1. peroneal artery
2. posterior tibial artery
Origin
Insertion
Action
Blood
Nerve
Peroneus longus
muscular branches of
the peroneal artery
superficial peroneal
nerve, L4,5,S1
Peroneus brevis
Origin
Insertion
Action
Blood
Nerve
Tibialis anterior
Extensor hallucis
longus
Extensor
digitorum
longus
Peroneus tertius
Foot Musculature
Muscle
Origin
Insertion
Action
Blood
Nerve
Abductor hallucis
Flexor digitorum
brevis
Abductor digiti
minimi
Abductor ossis
metatarsi quinti
Quadratus plantae
Lumbricals
Flexor hallucis
brevis
Adductor hallucis
Flexor digiti
minimi brevis
Plantar interossei
(3 muscles)
Dorsal interossei
(4 muscles)
Extensor hallucis
brevis
Extensor
digitorum brevis
Splenius Musculature
Muscle
Origin
Insertion
Action
Blood
Nerve
Splenius capitis
muscular branches of
the aorta
Splenius cervicis
Origin
Insertion
Action
Blood
Nerve
Iliocostalis
lumborum
muscular branches of
the aorta
1. bilateral:
a. extends the vertebral column
b. maintenance of erect posture
(hint: I Like Standing)
c. stabilizes the vertebral column
during flexion, acting in contrast to
abdominal muscles and the action
of gravity
2. unilateral:
a. laterally bends the vertebral column
to the contracted side
b. rotates the vertebral column to the
contracted side
c. opposite muscles contract
eccentrically for stabilization
Iliocostalis
thoracis
Iliocostalis
cervicis
Longissimus
thoracis
Longissimus
cervicis
Longissimus
capitis
Spinalis thoracis
Spinalis cervicis
(may be absent)
Spinalis capitis
Transversospinal Musculature
Muscle
Origin
Insertion
Action
Blood
Nerve
Semispinalis
thoracis
Semispinalis
cervicis
Semispinalis
capitus
Multifidus
muscular branches of
the aorta
Long rotators
Short rotators
(segmental)
Origin
Insertion
Action
Blood
Nerve
Interspinalis
muscular branches of
the aorta
Intertransversi
cervical region:
1. from the anterior tubercle of
transverse process
2. from the posterior tubercle of
transverse process
thoracic region: (poorly developed)
lumbar region:
1. lateral aspect of the transverse
process
2. mamillary process
Suboccipital Musculature
Muscle
Origin
Insertion
Action
Blood
Nerve
Obliquus capitis
inferior
Obliquus capitis
superior
Rectus capitis
posterior major
Rectus capitis
posterior minor
muscular branches of
vertebral artery
suboccipital nerve,
(dorsal rami C1)
Prevertebral Musculature
Muscle
Origin
Insertion
Action
Blood
Nerve
Longus colli
muscular branches of
the aorta
Longus capitis
Rectus capitis
anterior
Rectus capitis
lateralis
Attachment 2
Action
Blood
Nerve
Anterior scalene
1st rib
Scalenus minimus
(may be absent)
Middle scalene
Posterior scalene
Origin
Insertion
Action
Blood
Nerve
Sternocleidomastoid
two heads:
1. manubrium of sternum
2. medial portion of clavicle
1. occipital artery
2. superior thyroid
artery
Platysma
superficial vessels of
the neck
1. motor: spinal
accessory (XI
cranial)
2. sensory: ventral
rami of C2,(C3)
cervical branch of
facial nerve (VII
cranial)
Origin
Insertion
Action
Blood
Nerve
Sternohyoid
body of hyoid
1. inferior thyroid
artery (primary)
2. superior thyroid
artery
upper portions:
superior root of
ansa cervicalis, C2
Omohyoid
Sternothyroid
Thyrohyoid
Attachments:
1. superior belly: hyoid bone (lateral to
sternohyoid)
2. inferior belly: superior scapular border
(medial to suprascapular notch)
posterior aspect of manubrium
oblique line of thyroid cartilage
Suprahyoid Muscles
Stylohyoid
Attachments:
1. post belly: mastoid process of temporal
bone
2. anterior belly: digastric fossa of internal
mandible
inner surface of mandible off the mylohyoid
line
Digastric
Mylohyoid
Geniohyoid
1. depresses hyoid
2. may assist in larynx elevation
branches of the
external carotid
1. body of hyoid
2. along midline at mylohyoid raphe
lingual artery
lingual artery
mylohyoid nerve
(branch of
mandibular division,
V3 cranial)
branch from C1
(following
hypoglossal nerve)
Epicranial Musculature
Muscle
Origin
Insertion
Action
Blood
Occipitalis
(2 bellies)
occipital artery
Frontalis
(2 bellies)
ophthalmic artery
Nerve
(VII cranial)
posterior auricular
branch of facial
nerve
temporal branch of
facial nerve
Corrugator
supercilii
Buccolabial:
Orbicularis oris
Levator labii
superioris
alaeque nasi
Levator labii
superioris
Zygomaticus
minor
Zygomaticus
major
Risorius
(may be absent)
Levator anguli oris
Buccinator
Depressor anguli
oris
Depressor labii
inferioris
Origin
Insertion
Action
Blood
orbital portion:
nasal process of frontal bone
palpebral portion:
palpebral ligament
lacrimal portion:
lacrimal crest of lacrimal bone
frontal bone just above the nose
ophthalmic artery
parotid fascia
modiolus
modiolus
modiolus
facial artery
Nerve
(VII cranial)
zygomatic branch of
facial nerve
modiolus
mandibular branch of
facial nerve
Muscles of Mastication
Muscle
Origin
Insertion
Action
Blood
Masseter
Superficial:
1. zygomatic process of the maxilla
2. inferior border of zygomatic arch
Intermediate:
inner surface of zygomatic arch
Deep:
posterior aspect of inferior border of
zygomatic arch
1. temporal fossa (including frontal, parietal
and temporal bones)
2. temporal fascia
1. medial surface of lateral pterygoid plate
of the sphenoid
2. palatine bone
3. pterygoid fossa
Superior head:
1. lateral surface of the greater wing of
the sphenoid
Inferior head:
2. lateral surface of the lateral
pterygoid plate
Superficial:
1. angle of mandible
2. lateral surface of mandibular ramus
Intermediate:
ramus of mandible
Deep:
1. superior ramus of mandible
2. coronoid process of mandible
1. coronoid process of the mandible
2. internal aspect of ramus of mandible
down to the alveolar process
1. inner surface of mandibular ramus
2. angle of the mandible
masseteric artery
Nerve (mandibular
division, V3 cranial)
masseteric nerve
Insert together:
1. neck of the mandibular condyle
2. articular disk of the TMJ
Nerve
(hint: Lr6, SO4, Ar3)
oculomotor nerve
(III cranial)
Temporalis
Medial pterygoid
Lateral pterygoid
Extraocular Musculature
Muscle
Origin
Insertion
Action
Blood
Levator palpebrae
superioris
branches of
ophthalmic artery
abducts eye
Lateral rectus
Medial rectus
Superior rectus
Inferior rectus
Superior oblique
body of sphenoid
Inferior oblique
adducts eye
1. elevates,
2. medially rotates &
3. adducts the eye
1. depress,
2. laterally rotates &
3. adducts the eye
1. depress,
2. medially rotates &
3. abducts the eye
1. elevates
2. laterally rotates &
3. abducts the eye
abducens nerve
(VI cranial)
oculomotor nerve
(III cranial)
trochlear nerve
(IV cranial)
oculomotor nerve
(III cranial)
Laryngeal Musculature
Phonation Muscles
Muscle
Origin
Insertion
Action
Blood
Nerve
Cricothyroid
Posterior
cricoarytenoid
external branch of
superior laryngeal
nerve
inferior laryngeal nerve
(branch of vagus
nerve, X cranial)
Lateral
cricoarytenoid
Transversus
arytenoid
Vocalis
Thyroarytenoid
inferior laryngeal
nerve, branch of
vagus nerve (X
cranial)
(paired bilaterally)
(unpaired muscle)
Aryepiglottic
Thyroepiglottic
Intercostal Musculature
Muscle
Attachment A
Attachment B
Action
Blood
Nerve
External
intercostals
intercostal arteries
intercostal nerves
Internal
intercostals
Innermost
intercostals
Subcostals
Transversus
thoracis
Abdominal Musculature
Muscle
Attachment A
Attachment B
Action
Blood
Nerve
Diaphragm
External oblique
1. phrenic nerve,
C3,4,5 (motor &
central sensory)
2. intercostal nerves
(peripheral portion
sensation)
1. 7th to 12th
intercostal nerves
2. iliohypogastric
nerves, T12,L1
3. ilioinguinal nerves,
T12,L1
Internal oblique
1. linea alba
2. lower borders of the lower 3 or 4 ribs
Transversus
abdominis
linea alba
unilateral:
1. rotates trunk to side opposite of
contraction
2. laterally flex trunk to same side of
contraction
bilateral:
3. flexes the trunk
4. compresses the abdomen
unilateral:
1. rotates trunk to same side of
contraction
2. laterally flex trunk to same side of
contraction
bilateral:
3. flexes the trunk
4. compresses the abdomen
1. tenses the abdominal wall
2. assists contralateral external oblique in
lateral flexion
1. inferior phrenic
arteries (primary)
2. superior phrenic
arteries
3. musculophrenic
arteries
1. lower intercostal
2. subcostal
3. lumbar arteries
Rectus abdominis
Pyramidalis
Origin
Insertion
Action
Blood
Nerve
Iliacus
1. iliolumbar artery
2. deep circumflex
iliac artery
1. iliolumbar artery
2. lumbar artery
3. subcostal artery
1. lumbar artery
2. subcostal artery
Psoas major
Quadratus
lumborum
1. hip flexion
2. external rotation of femur
1. depress the 12th rib, expanding thoracic
cavity
2. stabilize the 12th rib
3. acts to eccentrically stabilize lateral
flexion to the opposite side