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Medial Calcaneal Nerve Entrapment
Medial calcaneal nerve entrapment has similar symptoms to that of tarsal tunnel syndrome. Pain will radiate from the inside of the heel out towards the centre of the heel.
What are the symptoms?
Symptoms of a medical calcaneal nerve entrapment include a burning pain below the medial malleolus or bony bit on the inside of the ankle. The pain may radiate under the sole of the foot. Activities such as running will usually aggravate the condition. There may be tenderness around the medial malleolus. A positive sign for Tinel's test will be seen on examination.
The Medial Calcaneal Nerve is a branch of the Posterior Tibial nerve which is involved in cases of Tarsal Tunnel Syndrome. Symptoms of the two are often very similar and so they may be easily confused. When there is excessive overpronation or pressure from shoes then the medial calcaneal nerve can become trapped.
Medial calcaneal nerve treatment
Treatment should initially consist of rest from aggravating activities and application of cold therapy. Ice should not be applied directly to the skin as it may cause ice burns. Use a wet tea towel or a commercially available cold wrap. Cold can be applied for 10 to 15 minutes every hour if the injury is painful reducing as required to 3 or 4 times per day.
A doctor may prescribe anti-inflammatory medication to reduce pain and inflammation. Electrotherapy such as ultrasound can help reduce pain and inflammation. Once symptoms settle down then a full rehabilitation program of ankle mobility and strengthening exercises can begin but they should only be done if pain allows.
If conservative treatment fails then a corticosteroid injection may be administered and in rare cases which fail to respond to treatment surgery may be indicated to decompress the nerve.