Superficial peroneal nerve entrapment is an injury to the nervous system in the foot and ankle. The condition is caused by an increase in pressure placed on the superficial peroneal nerve, which causes pain and loss of feeling in the ankle and foot.
Superficial peroneal nerve entrapment is caused by the ligament-like tissue (fascia) of the lower leg placing pressure on the superficial peroneal nerve approximately 4 to 5 inches above the ankle joint. Common mechanisms of injury include:
If treated properly, then superficial peroneal nerve entrapment may resolve with nonsurgical (conservative) treatment. However, surgery is often necessary to eliminate symptoms.
Treatment initially involves resting from any activities that aggravate the symptoms and the use of ice and medications to help reduce pain and inflammation. If the condition is caused by external pressure, then wearing padding (for example, moleskin) over the lower leg above the ankle may provide some relief. The use of strengthening and stretching exercises may help reduce pain with activity. These exercises may be performed at home or with referral to a therapist. If the symptoms f superficial peroneal nerve entrapment persist despite conservative treatment, then surgery may be necessary to release the pressure on the nerve.
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