Overview One in four adults in the U.S. has adult acquired flatfoot deformity, which may begin during childhood or be acquired with age. The foot may be flat all the time or may lose its arch when the person stands. The most common and ser…

Overview Flexible flatfeet are considered normal in young children because babies are not born with a normal arch. The arch may not form fully until sometime between ages 7 and 10. Even in adulthood, 15% to 25% of people have flexible flat…

Overview Posterior tibial tendon dysfunction (PTTD) is an inflammation and / or overstretching of the posterior tibial tendon in the foot. An important function of the posterior tibial tendon is to help support the arch. But in PTTD, the t…

Overview Most flat feet are not painful, particularly those flat feet seen in children. In the adult acquired flatfoot, pain occurs because soft tissues (tendons and ligaments) have been torn. The deformity progresses or worsens because on…

Overview Achilles tendinitis is an irritation/inflammation in the achilles tendon, which attaches to the back of the heel. It is often a result of overuse and occurs frequently in runners who have altered their training suddenly, either wi…