(Tendonopathy, Peroneal; Peroneal Tendonitis; Tendonitis, Peroneal; Peroneal; Peroneal Tendon Injury)
DefinitionTendonopathy is an injury to the tendon. It can cause pain, swelling, and limited movement. The injury can include:
- Tendonitis—inflammation of the tendon
- Tendonosis—tiny tears in the tendon tissue with no significant inflammation
CausesPeroneal tendonopathy often occurs as a result of:
- Repetitive overuse injuries which may occur from regular activities
- Trauma to the ankle such as a sudden twisting of the ankle or foot
- A sprained ankle that turned inward
- Overstretching the foot
Risk FactorsFactors that increase your risk of peroneal tendonopathy include:
- High arched foot
- Previous ankle sprain or injury
- Weak ankles
SymptomsSymptoms include pain, tenderness or swelling along the bottom of the foot or side of the ankle. You may also experience weakening or instability in the foot or ankle.
DiagnosisYou will be asked about your symptoms and medical history. A physical exam will be done.Images may be needed of the foot and ankle. These may be taken with:
- MRI scan
TreatmentTalk with your doctor about the best plan for you. Treatment options include the following:
ImmobilizationA cast, splint, or brace may be needed to keep the foot and ankle from moving and allow the tendon to heal. You may also be asked to wear special shoes or inserts.
MedicationsPrescription or over-the-counter medication may be advised for pain. Corticosteroid injections may be needed if treatment is not effective.
Physical TherapyA physical therapist will assess the foot and ankle. Ice or heat therapy and ultrasound may be done to help relieve tension. Other physical therapy methods include ice, heat, or ultrasound to reduce pain and swelling.An exercise program will be created to help recovery and to strengthen the muscles.
SurgerySurgery may be needed in some cases. It can help to repair the tendon or adjust support structures of your foot.
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