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Peroneus Longus

Peroneus Longus is one of the peroneal muscles which pass down the outside of the lower leg and evert the foot. These muscles are sometimes referred to as fibularis longus, brevis and tertius due to their attchments on the fibula.

Origin

• Head of fibula
• Upeer 2/3 of fibula

Insertion

• Base of underside of first metatarsal
• Undersurfaces of cuneiforms

Actions

• Eversion
• Plantarflexion

Innervation

• Superficial peroneal (fibular) nerve

Daily uses

• Walking on uneven surfaces

How can I stretch it?

• Peroneal stretch

How can I strengthen it?

• Seated calf raise machine