Posterior Tibial Tendon Dysfunction

Posterior Tibial Tendon Dysfunction

PTTD, Also known as acquired flat foot and is one of the leading causes of flat feet among adults.


When the tibialis posterior muscle or tendon becomes sufficiently weak or stretched , it may no longer be able to resist arch collapse. When arch collapse occurs, it will be difficult to raise up on toes, or you may feel excruciating pain in your arch.

Signs and Symptoms

PTTD has numerous signs and symptoms, including:

  • Mid-foot tenderness that is worse during certain activities
  • Arch collapse and flat foot on your affected side
  • Pain and swelling on the inside aspect of your ankle
  • Foot and ankle weakness
  • Impaired ability to stand on your toes
  • Pain that gradually develops on the outer aspect of your foot or ankle


Other conservative treatment measures include:

  • Naturally shaped footwear that is flat, widest at the ends of the toes, and flexible. This will allow for natural alignment and relative relaxation of the tibialis posterior muscle and tendon.
  • Correct Toes to help naturally position the Hallux, stabilizing the arch and preventing
  • overpronation
  • Immobilization within a short-leg cast or boot can allow your tendon to heal
  • Physical therapy may help rehabilitate your tendon

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