Among the following, the structure that passes deep to the flexor retinaculum is?
Correct Answer: Tibialis posterior
Description: Tibialis posterior is the deepest and most centrally located muscle in the deep posterior compament of the leg. It arises from the upper posterior aspect of tibia, fibula and interosseous membrane and passes medially deep to the flexor retinaculum. Its tendons flares and inses into the navicular, tarsal bones, and bases of the second, to fouh metatarsals. Flexor retinaculum is a thick band of deep fascia on the medial aspect of the ankle Medial calcaneal nerve and medial calcaneal aery pierce the retinaculum. Structures passing below it from above down are: Tibialis posterior tendon Flexor digitorum longus tendon Flexor hallucis longus tendon Posterior tibial aery Tibial nerve.
Category:
Anatomy
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