The effect of trunk motion control on biomechanical parameters of knee during landing
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    Abstract:

    To determine the effect of trunk control on knee biomechanics during single leg landing. Methods Twenty male basketball players were recruited. The landing was monitored to study the parameters of knee joint kinematics, kinetics and surface EMG by using Vicon motion Analysis system, Kistler force platform and Noraxon surface EMG system during single leg landing under trunk control. Results Compared with natural landing, there were significant differences in flexion angle at initial contact (IC), peak flexion angle and peak flexion moment at deeply inspiratory landing and landing with a stick, with greater flexion angle at IC, greater peak flexion angle and less peak flexion moment. Compared with natural landing, there was no statistical difference in peak valgus angle and peak valgus moment at inspiratory landing and landing with a stick. There was no difference on electrical activity (hamstrings, quadriceps) of the muscles around the knee. Conclusion The injury of anterior cruciate ligament may be prevented by deep inspiration or landing with a stick in basketball players during practice or competition.

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History
  • Received:January 08,2021
  • Revised:February 27,2021
  • Adopted:March 09,2021
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