Tarsal Tunnel Anatomy

Flexor retinaculum from the tip of the medial malleolus to the medial calcaneal process and plantar aponeurosis floor. The tarsal tunnel is located just below the bony bump medial malleolus on the inside of the ankle towards the back of the heel.

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It is a channel for tendons arteries and nerves to pass through and is secured by a connective tissue sheath called the flexor retinaculum that covers the top of the channel.

Tarsal tunnel anatomy. Varied anatomy pes planus. Tarsal tunnel syndrome is the most commonly reported nerve entrapment of the ankle and is analogous to the carpal tunnel of the wrist. People with tarsal tunnel syndrome have pain in the plantar aspect of the foot mostly at night.

Sensory disturbance that varies from sharp pain to loss of sensation. Gross anatomy boundaries roof. Also called flat feet in which the arches of the feet are decreased or absent.

Symptoms of tarsal tunnel syndrome vary from individual to individual but clinical findings generally include the following. As a result the ankle rolls in a way that decreases the size of the tarsal tunnel. Posterior tarsal tunnel an anatomic structure defined by flexor retinaculum laciniate ligament calcaneus medial talus medial abductor hallucis inferior contents include tibial nerve.

Tibial nerve has 3 distal branches medial plantar. Some people have an extra muscle in the foot whose tendon runs through the tarsal tunnel. Motor disturbance with resultant atrophy of intrinsic musculature.

Gait abnormality eg. Fallen foot arches place more pressure on the tibial nerve due to. An abnormal growth eg.

Swelling from an ankle injury or oedema due to fluid retention. Possible causes of tarsal tunnel syndrome include. The tarsal tunnel is a fibro osseous canal found in the medial aspect of the ankle.

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