<原著>運動選手の足関節の運動特性

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Ankle injuries are the most common injuries in sports and recreational activities. The characteristics of the joint are important factors in sports activity. The mechanical properties during joint motion are different among athletes who do different sports. The purpose of this study was to investigate motion characteristics of ankle joint with some clinical disorders using a newly developed joint laxity measurement system and also to clarify the relationship between joint laxity and type of sport by measuring a joint moment-angle curve of ankle joint. 8 volleyball players with clinical disorders of ankle joint were examined and for the normal control group 6 asymptomatic male volunteers participated in this study. We believe that knowledge of the stability of joint with injured ligaments is essential for solving the function loss of ankle joint. Methods : Following 4 procedures were performed for testing of the flexibility of the ankle complex. ・Physical examination and manual testing of the flexibility of ankle joint ・Stress X ray examination of ankle joint ・Scoring system by manual testing for the laxity of 7 major joints ・Strain measurement with the developed machine. Results : In manual test and stress X-ray examination, the joint laxity of volleyball players was more prominent than that of the asymptomatic male volunteers. The measurement of a joint moment-angle curve of the ankle joint showed the flexibility of ankle joints of volleyball players was less than that of the asymptomatic male volunteers. Conclusion : We conclude that biomechanical properties tested with kinematic evaluation of ankle joint are different between data of measurement of a joint moment-ankle curve and results of clinical examinations.
東海大学の論文

<原著>運動選手の足関節の運動特性

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