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Sacral Plexus
Simple
Question | Answer |
---|---|
Spinal segments | L4-S4 |
Superior gluteal | 41 Only MOTOR |
Inferior gluteal | 52 Only MOTOR |
Sciatic | 43 2 nerves in one |
Tibial | 43 Mostly MOTOR, some sensory to post. leg |
Common peroneal | 42 Deep-ant. leg / Superfic.-lat. leg |
Pudendal | 24 MOTOR to muscles of perineum (ani and sphincter) SENSORY to skin of penis/scrotum, clitoris/labia maj., min./ vag. |