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The sacral spinal nerve 1 (S1) is a spinal nerve of the sacral segment.[1]

Sacral spinal nerve
Sobo 1909 715.png
The plan of the lumbosacral plexus
Details
Identifiers
LatinNervi spinalis
FMA6423
Anatomical terminology

It originates from the spinal column from below the 1st body of the sacrum

Sacrum, showing bodies in center.

MusclesEdit

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:

Additional ImagesEdit

ReferencesEdit

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