Sacral_spinal_nerve_4 Knowpia

Sacral spinal nerve
Sacral spinal nerve
	The plan of the lumbosacral plexus
Details
Identifiers
Latin	Nervi spinalis
FMA	6426
	Anatomical terminology [edit on Wikidata]

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

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

[1] American Medical Association Nervous System -- Groups of Nerves

[1]

Summary

Muscles edit

Additional Images edit

References edit