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《China Sport Science》 2005-07
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Kinematical Comparison and Analysis between Snatch and Clean in Weightlifting

AI Kang-wei~1,LI Fang-xiang~2,HAO Wei-ya~1,YUAN Ting-gang~11.National Research Institute of Sport Science,Beijing 100061,China;2.National Research Institute of Sports Medicine,Beijing 100061,China.  
Through using the methods of 3D motion analysis,this paper made comparison and analysis on kinematics and characteristics of snatch and clean of 10 weightlifters participating in National Woman Championship in 2003.Furthermore,by means of inverse dynamic,the net torque at major joints was calculated and analyzed.The result showed that there was significant difference for knee angles of both movements at the movement of barbell lifted off the ground.In snatch,the weight of barbell by lifter was mainly dependent on power output by lifters.In clean lifting,that was mainly dependent on impulse the lifters affected on barbell.For net torque of hip joint,it's maximal value was negatively correlated with hip angle at the moment of maximal net torque happened during snatch,for the clean lifting,it's maximal value was positively correlated with the weight of barbell lifted by lifters.
【CateGory Index】: G884.1
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