The Tibialis Posterior is a small muscle situated in the lower leg which assist with ankle movement and foot stability
Anatomy and Function
Proximal posterolateral aspect of the tibia.
Proxmial posteromedial aspect of the fibula and the interosseous membrane.
Situated in the deep posterior compartment of the lower leg and runs proximal to the medial malleoli where it is secured by the flexor retinaculum.
The major insertion is onto the navicula and the plantar slip attatches to the medial cuniform
|Blood Supply||Posterior Tibial Artery|
Tibial Nerve (L4-S3)
|Function||To plantarflex and invert the ankle. It also plays an important role in stabilising the medial longitudinal arch.|
- Drake RL, Vogl W, Mitchell AWM. Gray's Anatomy for Students. 2nd Ed. Philadelphia: Churchill Livingstone Elsevier, 2010.
- T.A.A.I. Tibialis Posterior Muscle. Available from: https://www.youtube.com/watch?v=ZEHe5PAL_F0 [lasted accessed 01/10/15]