Syndesmotic ankle impingement
Distal to the insertion site of the interosseous tibiofibular ligament, the remaining anterior surface corresponds to the tibiofibular synovial recess of the ankle joint, and at the posterior surface, there is a small bundle of adipose tissue called the fatty synovial fringe. The synovial fringe lowers or rises during ankle movements, retracting in dorsiflexion to rise and position itself between the tibia and fibula and descending in plantar flexion toward the ankle joint. This structure has been implicated as a cause of chronic pain following ankle sprain in the condition known as syndesmotic impingement. [ Article ]
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