Sacral spinal nerve 4

The sacral spinal nerve 4 (S4) is a spinal nerve of the sacral segment.[1]

Sacral spinal nerve
The plan of the lumbosacral plexus
Details
Identifiers
LatinNervi spinalis
FMA6426
Anatomical terminology

It originates from the spinal column from below the 4th body of the sacrum

Muscles

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

References

  1. American Medical Association Nervous System -- Groups of Nerves


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