女子バスケットボール選手の膝関節動揺性と全身関節弛緩性との関連性

概要

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Injury of the anterior cruciate ligament(ACL)occurs frequently in female gymnasts and basketball players. However, there is no effective method for preventing ACL injury. Recently, a fatigue phenomenon of the ligament tissue has been considered to be the main causative factor in ACL injury. The present study was done to investigate the relationship between knee laxity and general joint looseness in 334 female college basketball players at an orthopedic medical check-up. Knee laxity was evaluated in terms of the anterior displacement(AD)value measured by a KT-2000 knee ligament arthrometer at 20lb. General joint looseness was evaluated in terms of the general joint laxity (GL)score including six major joints and the spine. There was a significant correlation between the AD value and GL score, the correlation coefficients being 0.48(p<0.01)at the right knee and 0.54(p<0.01)at the left knee. The ACL of athletes with a higher AD would always be exposed to higher anterior stress than in athletes with a lower AD, thus possibly leading to a fatigue state. Therefore, we consider that athletes with a high AD are ta greater risk of ACL injury. Our results suggest that the easy GL test is an effective sceening method for differentiating those with a high AD and a greater risk of ACL injury.
日本体力医学会の論文
1997-06-01