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Tarsal tunnel syndrome (TTS) is a nerve compression syndrome or nerve entrapment syndrome causing a painful foot condition in which the tibial nerve is entrapped as it travels through the tarsal tunnel. [1] [2] The tarsal tunnel is found along the inner leg behind the medial malleolus (bump on the inside of the ankle). The posterior tibial ...
Full recovery is to be expected, though some patients will need rehabilitation. [1] However, relapse can occasionally occur, especially if only conservative treatments are undergone. [8] Sinus tarsi syndrome can be misdiagnosed as a chronic ankle sprain. Untreated sinus tarsi syndrome can develop into chronic ankle pain and disability. [9]
Tarsal tunnel syndrome is the most commonly reported nerve entrapment of the ankle. It is analogous to carpal tunnel syndrome in the wrist. It is caused by compression of the tibial nerve underneath the flexor retinaculum of the foot. [1] People with tarsal tunnel syndrome have pain in the plantar aspect of the foot mostly at night.
Nerve injury is another complication that can be prevented through careful procedural execution. Sinus tarsi pain, a common complication, can usually be resolved by removing the implant. [19] However, a rare but serious complication is the occurrence of a talar neck fracture, which can significantly impact mobility and recovery potential. [20]
The flexor retinaculum of the foot extends from the medial malleolus above, to the calcaneus below. [1] This converts a series of bony grooves into canals for the passage of the tendons of the flexor muscles and the posterior tibial vessels and tibial nerve into the sole of the foot, known as the tarsal tunnel.
The benefit of nerve conduction studies has not been proven beyond distal entrapment neuropathies (carpal tunnel syndrome and cubital tunnel syndrome). [51] An EMG is limited to just providing information on motor nerves, and provides limited information on the location, extent, and etiology of nerve injury.
The deltoid ligament (or medial ligament of talocrural joint) is a strong, flat, triangular band, attached, above, to the apex and anterior and posterior borders of the medial malleolus.
Nerve injury is an injury to a nerve. There is no single classification system that can describe all the many variations of nerve injuries. In 1941, Seddon introduced a classification of nerve injuries based on three main types of nerve fiber injury and whether there is continuity of the nerve. [1]