tibialis posterior (muscle)

(redirected from posterior tibial muscle)

tib·i·a·lis pos·te·ri·or (mus·cle)

[TA]
most anterior (deepest) muscle of deep posterior (plantar flexor) compartment of leg; origin, soleal line and posterior surface of tibia, the head and shaft of the fibula between the medial crest and interosseous border, and the posterior surface of interosseous membrane; insertion, navicular, three cuneiform, cuboid, and second, third, and fourth metatarsal bones; action, plantar flexion and inversion of foot; nerve supply, tibial.
References in periodicals archive ?
Resistance testing of the posterior tibial muscle and the plantar flexors of the foot was not painful.
In this instance, the heelcord would be lengthened and the tendon of the posterior tibial muscle would be split longitudinally, leaving a portion attached to its normal site, and taking the other detached portion around the back of the ankle and re-attaching it to a tendon on the outer aspect of the foot When the muscle contracts, it pulls on the inner and outer aspect of the foot simultaneously, so that the foot is flat on the floor with weight bearing.

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