Sacral spinal nerve 1
Spinal nerve at the base of the spinal column From Wikipedia, the free encyclopedia
Spinal nerve at the base of the spinal column From Wikipedia, the free encyclopedia
The sacral spinal nerve 1 (S1) is a spinal nerve of the sacral segment.[1]
| Sacral spinal nerve | |
|---|---|
The plan of the lumbosacral plexus | |
| Details | |
| Identifiers | |
| Latin | nervi spinalis |
| FMA | 6423 |
| Anatomical terminology | |
It originates from the spinal column from below the 1st body of the sacrum.
S1 supplies many muscles, either directly or through nerves originating from S1. They are not innervated with S1 as single origin, but partly by S1 and partly by other spinal nerves. The muscles are:
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