Tibialis Posterior

Tibialis Posterior Muscle

The Tibialis Posterior is the deepest of all the calf muscles. It helps to support the arch of the foot.

Origin : Interosseous membrane (between the tibia and fibula).
Posterior surfaces of the tibia and fibula, adjacent to the interosseous membrane.

Insertion : Navicular tuberosity.
Cuneiforms.
Cuboid.
2nd, 3rd, and 4th metatarsals.

Actions : Plantarflexion.
Inversion.

Innervation : Tibial nerve.

Daily uses : Pushing down car pedals.

Example strengthening exercises : Tibialis posterior exercise with band


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