Tibialis Posterior - Muscle Physiology & Functional Anatomy


Tibialis Posterior Muscle




  • Upper half of posterior shaft of tibia & upper half of fibula and adjacent interosseus membrane


  •  Tuberosity of navicular bone, all tarsal bones (except talus) & plantar calcaneonavicular (spring) ligament

Major Artery:

  • Posterior tibial artery


Neural Innervation:

  • Tibial nerve (L4, L5)


Trigger Points: 

Tibialis Posterior Trigger Points




Concentric Functions:

  • Plantarflexion & inversion (supination) of foot at ankle

Eccentric Functions:

  • Decelerates the dorsiflexion & eversion of the foot.

Isometric Function:

  • Stabilizes the (medial longitudinal) arch of the foot

Related Muscles





More Images of the Tibialis Posterior Muscle

Tibialis Posterior Gray

More Information about the Tibialis Posterior Muscle

The tibialis posterior muscle is a the most central of all leg muscles.  It is located in the posterior compartment of the leg & is an important stabilizer.


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