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Origin: Distal two-thirds of the lateral surface of the fibula, and the anterior and posterior intermuscular septa
Insertion: Tubercle on the base of the lateral aspect of the fifth metatarsal
Actions: Eversion, plantarflexion, and abduction of the foot
Innervation: Superficial Peroneal Nerve (L5, S1)
Blood Supply: Branches of the anterior tibial and peroneal artery
Primary Actions of the Peroneus Brevis Muscle
1. Dorsiflexion of the foot at the ankle
Agonists: Peroneus Longus
Antagonists:
- Tibialis Anterior
- Tibialis Posterior
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