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image: Tibialis Anterior
Tibialis Anterior

Tibialis Anterior

 Articulations :

 Action :

  • Dorsiflexor of ankle and invertor of foot.

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.

Innervation :

  • Deep peroneal nerve (L4, L5, S1)

Arterial Supply :

  • Anterior tibial artery.

Depth :

  • Superficial
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