- Nerve to the Piriformis
Nerve: Nerve to the Piriformis Plan of sacral plexus and pudendal plexus. (Label "to piriformis" is at center left.) The piriformis and nearby muscles Latin nervus musculi piriformis Gray's subject #213 957 Innervates piriformis muscle From sacral plexus (S1–S2)
The nerve to piriformis is a nerve that innervates the piriformis muscle.
The nerve to piriformis originates in the sacral plexus. It arises from the dorsal division of the second sacral nerve, or the dorsal divisions of the first and second sacral nerves (S1 & S2), and enters the anterior surface of the piriformis muscle; this nerve may be double.
Nerves of lower limbs and lower torso: the lumbosacral plexus (L1–Co) (TA A14.2.05–07, GA 9.948) lumbar
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