Tibialis Posterior

 Anatomy[edit | edit source]

Origion

Proximal posterolateral aspect of the tibia.

Proxmial posteromedial aspect of the fibula and the interosseous membrane. 

Mid portion

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. 

Insertion

The major insertion is onto the navicula and the plantar slip attatches to the medial cuniform 

Innervation    

Tibial Nerve (L4-S3)