Common peroneal nerve
course
branch of sciatic nerve - splits at thigh
close relation to neck of fibula
supply
motor
- foot dorsiflexion and eversion - see Foot movements
Superficial peroneal nerve: eversion + plantarflexion
- peroneus longus + brevis (lateral leg)
Deep peroneal nerve: inversion + dorsiflexion
- Tibialis anterior
- Peroneus tertius ...
sensory
- Lateral leg
- dorsum of foot
- superficial peroneal nerve = dorsum and toes
- deep peroneal = web space between 1st and 2nd toe
- lateral side of 5th toe = sural nerve
injury
foot drop