COCCYGEAL PLEXUS

Question 1

• from S-4 and S-5

- supplies motor innervation to levator ani, coccygeus and external anal sphincter mm

Answer 1

Sacral Muscular Branches

Question 2

• from all rami

- supply sensory innervation to the skin over the coccyx and posterior to anus

Answer 2

Cutaneous Branches