Peroneus muscles

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The Fibularis muscles (also peronæus) are a group of three muscles fibularis (peronæus) longus, brevis, and tertius originating on the Fibula and inserting on the metatarsals.

The "longus" and "brevis" are much more similar to each other than they are to the "tertius", as shown in the table below.

Name Compartment Action Nerve Artery
Peroneus longus lateral compartment eversion and plantarflexion superficial fibular nerve fibular artery
Peroneus brevis lateral compartment eversion and plantarflexion superficial fibular nerve fibular artery
Peroneus tertius anterior compartment eversion only deep fibular nerve anterior tibial artery

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