left tibialis posterior
Muscular systemLower limbLeftFMA65019
Nomenclature
left tibialis posterior
musculus tibialis posterior (Latin)
muscolo tibiale posteriore sinistro (Italian)
Descriptionentry
The deepest muscle of the posterior compartment of the leg.
Functionentry
Plantar flexion and inversion of the foot; supports the medial longitudinal arch.
Originentry
Interosseous membrane, posterior surfaces of tibia and fibula.
Insertionentry
Tuberosity of the navicular, the cuneiforms and the bases of the middle metatarsals.
Innervationentry
Tibial nerve (L4-L5).
Blood supplyentry
Posterior tibial artery.
Clinical notes
Tendon dysfunction is a common cause of adult acquired flatfoot.
Model