Lateral Compartment of the Leg

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Components

Lateral leg compartment muscles	Origin	Insertion	Action	Nerve roots	Nerves
Peroneus Brevis	Lower two thirds lateral shaft of fibula	Tuberosity of base of 5th metatarsal	Plantar flexes and everts foot . Supports lateral longitudinal arch		Superficial peroneal nerve (L5 S1)
Peroneus Longus	Upper two thirds of lateral shaft of fibula , head of fibula and superior tibiofibular joint	Plantar aspect of base of 1st metatarsal and medial cuneiform, passing deep to long plantar ligament	Plantar flexes and everts foot. Supports lateral longitudinal and transverse arches		Superficial peroneal nerve (L5 S1)