Tarsal Tunnel Syndrome
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Tarsal tunnel syndrome (TTS) is the compression or squeezing of the tibial nerve, which runs through the tarsal tunnel on the inside of the ankle and leads into the foot, producing pain or a tingling sensation anywhere along the nerve’s pathway.
The tarsal tunnel is a narrow space that lies on the inside of the ankle, next to the anklebones, and protects the posterior tibial nerve, arteries, veins and tendons that run through it. As aggravation is inflicted upon these structures, swelling occurs, causing them to expand in the tunnel and putting stress and compression on the tibial nerve. This leads to tingling, burning, numbness or pain in areas of the lower leg.