What is Posterior Tibial Tendon Dysfunction (PTTD)?
Posterior tibial tendon serves as one of the major supporting structures of the foot, helping it to function while walking. Posterior tibial tendon dysfunction (PTTD) is a condition caused by changes in the tendon, impairing its ability to support the arch. This results in flattening of the foot, and is also known as adult acquired flat foot. It is developed during adulthood and is usually in one foot however it can be in both feet.
This condition arises when the tendon becomes inflamed, stretched, or torn due to overuse. The symptoms usually occur after activity such walking, running, hiking or climbing stairs.
Your foot doctor will perform a thorough examination of your foot along with muscle strength and toe raise ability to help determine the extent of damage to your posterior tibial tendon. You may also requite x-rays as well as an MRI to help determine the severity of the damage.
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