Sacral spinal nerve 4
Appearance
Sacral spinal nerve | |
---|---|
![]() The plan of the lumbosacral plexus | |
Details | |
Identifiers | |
Latin | nervi spinalis |
FMA | 6426 |
Anatomical terminology |
The sacral spinal nerve 4 (S4) is a spinal nerve of the sacral segment.[1]
It originates from the spinal column from below the 4th body of the sacrum
![](http://178.128.105.246/content-http-upload.wikimedia.org/wikipedia/commons/thumb/e/ec/Gray95.png/300px-Gray95.png)
Muscles
[edit]S4 supplies many muscles, either directly or through nerves originating from S4. They are not innervated with S4 as single origin, but partly by S4 and partly by other spinal nerves. The muscles are:
Additional images
[edit]-
Sacral spinal nerve 4
References
[edit]- ^ American Medical Association Nervous System -- Groups of Nerves