PERONEUS LONGUS
ORIGIN Upper two thirds of lateral shaft of fibula , head of fibula and superior tibiofibular joint |
![]() |
INSERTION Plantar aspect of base of 1st metatarsal and medial cuneiform, passing deep to long plantar ligament |
|
ACTION Plantar flexes and everts foot. Supports lateral longitudinal and transverse arches |
|
NERVE Superficial peroneal nerve (L5,S1) |