Overview The posterior tibialis muscle originates on the bones of the leg (tibia and fibula). This muscle then passes behind the medial (inside) aspect of the ankle and attaches to the medial midfoot as the posterior tibial tendon. The pos…

Overview Tendinitis is inflammation of a tendon. Thus, Achilles tendinitis is an inflammation of the Achilles tendon. The inflammation may be localized to the end of the tendon closest to the heel or may spread upward to affect even the mu…