Tibialis Posterior
Original Editor - Michelle Lee Top Contributors - Jenny Lim
Description[edit | edit source]
Origin[edit | edit source]
Proximal postero-lateral aspect of the tibia.
Proximal postero-medial 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[edit | edit source]
The major insertion is onto the navicula and the plantar slip attatches to the medial cuniform
Nerve[edit | edit source]
Tibial Nerve (L4-S3)
Artery[edit | edit source]
Tibial Artery
Function[edit | edit source]
To plantarflex and invert the ankle. It also plays an important role in stabilising the medial longitudinal arch.
