Muscle Atlas

Tibialis Anterior

Origin: Lateral condyle of tibia, proximal 1/2 - 2/3 or lateral surface of tibial shaft, interosseous membrane, and the deep surface of the fascia cruris
Insertion: Medial and plantar surfaces of 1st cuneiform and on base of first metatarsal
Action: Dorsiflexor of ankle and invertor of foot
Innervation: Deep peroneal nerve (L4, L5, S1)
Arterial Supply: Anterior tibial artery

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