- Peripheral Nervous System—Lower Extremity 63
Common
peroneal
nerveTibial nerveSciatic nerve
(L4 - S3)Superficial
peroneal
nerveDeep peroneal nervePeroneus longus & peroneus brevis (L5, S1)Thigh LegFibular
neckTibialis anterior (L4, L5)Ext. digit. longus, ext. hallucis longus,
& peroneus tertius (L5, S1)FootPopliteal fossaExt. digit. brevis &
ext. hallucis brevis
(L5, S1)DRAWING 4-3 Th e Leg & Foot — Partial