Tibialis anterior muscle in human body

Origin – lateral condyle and lateral shaft of tibia , interosseous membrane

Insertion- the base of 1st metatarsal,first cuneiform

Nerve supply- deep peroneal nerve(l4,5,s1)

Blood supply- anterior tibial artery

Action- dorsiflexion of the ankle, inversion of the foot

Palpation- lateral side of the tibia on the anterior surface during active ankle dorsiflexion tendon palpated on the medial side of anterior the surface of the ankle.

Paralysis of this muscle causes foot drop. Frequently involved in “shin splints"


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