Peroneus Tertius: Origin, Insertion, Action & Nerve Supply

Peroneus Tertius: The peroneus tertius (also identified as fibularis tertius) muscle is found in the lower limb.

Origin: The muscle originates from the lower third of the anterior surface of the fibula and the anterior intermuscular septum (within the extensor digitorum longus and the tibialis anterior muscles).

Insertion: Dorsal surface of the base of the fifth metatarsal bone.

Function: Acts with the extensor digitorum longus to dorsiflex, evert and abduct the foot.

Nerve Supply: Deep peroneal nerve

Guides

Gluteus Medius: Origin, Insertion, Action & Nerve Supply

Extensor Digiti Minimi: Origin, Insertion, Nerve Supply & Action

Carpal Bones Anatomy

Flexor Digiti Minimi Brevis Foot:Origin, Insertion, Action & Nerve Supply

Muscles of the Lower Limb

Leg Muscles
Thigh Muscles
Foot Muscles