posterior tibial muscle

Medical Dictionary

posterior tibial muscle n.
A muscle with origin from the posterior surface of the tibia, the head and shaft of the fibula, and the posterior surface of the interosseous membrane; with insertion into the navicular, the three cuneiform, the cuboid, and the second, third, and fourth metatarsal bones; with nerve supply from the tibial nerve, and whose action causes the plantar flexion and inversion of the foot.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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