Isokinetic Testing of Shoulder Strength in the Normal Shoulder.

概要

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We evaluated shoulder muscle strength using the Cybex340 (Lumex Co. Ltd) in normal shoulders which were examined in internal and external rotation while in the standing position.Fourteen normal volunteers (non sports group) with a mean age of 25 years were assessed and compared to 14 baseball players (sports group) with a mean age of 18.8 years. Peak torque of internal and external rotation was examined at an angular velocity of 60deg/sec, 180deg/sec and 240deg/sec.The relationship between peak torque and body weight, the ratio of non-dominant versus dominant side and endurance ratio were studied.There was no significant relationship between peak torque and body weight. The dominant side of the non-sports group was from 104% to 110% in internal rotation and from 108% to 113% in external rotation compared with the non dominant side.
西日本整形・災害外科学会の論文