Tarsal Tunnel Syndrome
This syndrome is a result of compression of the posterior tibial nerve in the lower extremity where the nerve passes beneath the flexor retinaculum, which forms a tunnel at the medial aspect of the foot. The nerve is the final continuation of the sciatic nerve, passing inferior to the medial malleolus just anterior to the Achilles tendon, at which point entrapment may occur. The neuropathy may involve the posterior tibial nerve proper or one of the branches distal to the tunnel. The plantar nerves will be considered separately. The tunnel has a bony floor with the flexor retinaculum as the roof, an ideal situation in which nerve compression may occur.
KeywordsMedial Malleolus Posterior Tibial Nerve Tarsal Tunnel Flexor Digitorum Brevis Abductor Hallucis
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References and Further Reading
- Albrektsson, B. and Rydholm, U. (1982) The tarsal tunnel syndrome in children, J. Bone & Joint Surg., 64-B, No. 2, 215–217.Google Scholar
- Carrel, J. M. and Davidson, D. M. (1975) Nerve compression syndromes of the foot and ankle: a comprehensive review of symptoms, etiology and diagnosis utilizing nerve conduction testing, J. Am. Podiatry Assoc., 65, No. 4, 332–341.Google Scholar
- Mann, R. A. (1974) Tarsal tunnel syndrome, Ortho. Clin. North Am., 5, No. 1, 109–112.Google Scholar