Condition Library
Tendons
Posterior Tibial Tendon Dysfunction
Weakening of the tendon that supports the arch, leading to a flattening foot in adults.
Symptoms
- Inner ankle pain
- Arch collapse
- Difficulty with single-leg heel rise
Risk factors
- Age
- Obesity
- Diabetes
- Hypertension
What usually helps
- Custom orthoses
- AFO
- Tendon loading program
When to see a podiatrist
When the arch is changing or inner ankle pain persists.
Warning signs
- • Rapid collapse in a neuropathic foot (consider Charcot)
Podiatrify provides educational information and risk guidance and does not provide a medical diagnosis. Symptoms involving severe pain, rapidly spreading infection, black or blue tissue, major trauma, loss of circulation, or systemic illness may require urgent medical evaluation.