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Extension and Flexion Isomuscle Strength of the Elite Speed Skaters in China:Case Study Findings

CHEN Xin(Department of Human Sports Science,Shenyang Physical Education Institute,Shenyang 110032,Liaoning,China)  
To find the kinematics reasons that cause the movement differences between the elite speed skaters in China,two elite skaters were subjected to a segmental moment analysis,which was obtained by Cybex-Norm.From the concentric and centrifugal dates of the hip joints,knee joint and ankle joints,the essay finds the movement kinematics differences are caused by the kinematics differences.Meanwhile,it describes the moment characteristics of the three joints.The test results show that:Firstly,moment of hip joints of two elite skaters developed imbalance.Secondly,moment of flexor of knee joints of two elite skaters is faintish in fast contract.Thirdly,adaptability in fast contract about muscle of flexor of ankle joints of two elite skaters is faintish.
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