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一、踝关节扭伤的原因和原理踝关节扭伤是一种最常见的运动损伤,有资料显示,它占所有运动创伤的20%～40%。踝关节扭伤多为踝关节周围韧带的过度牵拉或撕裂,严重者可伴有撕脱骨折。踝关节是人运动的重要枢纽及承重关节,是由胫、腓骨下的关节面与距骨上部的关节面(距骨滑车)构成。足的屈肌力比伸肌大,内翻肌力比外翻肌力大;加之外踝比内踝长,内踝三角韧带比外侧的三个韧带坚固。因此,内翻比外翻的活动幅度大。此外,距骨体前宽后窄,当足背伸时,距骨完全进入踝穴,踝关节稳定,不易扭伤。而踝
First, the causes and principles of ankle sprain Ankle sprain is one of the most common sports injuries, data show that it accounts for 20% to 40% of all sports injuries. Ankle sprain is mostly excessive traction around the ankle ligament or tear, severe cases may be associated with avulsion fractures. Ankle joint is an important hinge of human movement and bearing joint, which is composed of the articular surface of the tibia and fibula and the articular surface of the talus (talus pulley). Full flexor muscle than the large extensor, inversion of muscle strength than valgus; plus the lateral malleolus than the medial malleolus, medial malleolus ligament more than the lateral three ligaments solid. Therefore, the varus than varus activity range. In addition, talar body wide and narrow before, when the dorsal foot extension, the talus completely into the ankle, the ankle is stable, not easy to sprain. And ankle