Tibialis posterior

Definition

The tibialis posterior is a muscle located deep within the calf of the leg, which plays a crucial role in stabilizing the ankle and supporting the arch of the foot during movement. It originates from the tibia and fibula bones and inserts into the bones of the foot.

Related terms

Plantar flexion: The movement that decreases the angle between the sole of the foot and the back of the leg, facilitated by muscles including the tibialis posterior.

Tendonitis: Inflammation of a tendon, often caused by overuse or injury, which can affect tendons like those connected to the tibialis posterior muscle.

Arch support: Refers to devices or shoe modifications designed to support the arches of the feet, often benefiting those with weakened or stressed tibialis posterior muscles