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Sacral spinal nerve 2: Wikis


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The sacral spinal nerve 2 (S2) is a spinal nerve of the sacral segment.[1].

It originates from the spinal column from below the 2nd body of the sacrum

Sacrum, showing bodies in center.


S2 supplies many muscles, either directly or through nerves originating from S2. They are not innervated with S2 as single origin, but partly by S2 and partly by other spinal nerves. The muscles are:


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


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