Non-contact anterior cruciate ligament(ACL)injury can occur in many sports.It is interrelated with gender,anatomy,biomechanics,and neuromuscular control.Taekwondo athletes have a higher incidence of ACL injury than athletes from other sports.Objective:This study aimed to determine the biomechanical gender differences and mechanism of taekwondo athletes with ACL injury.Methods:A total of 28 taekwondo athletes(aged 14–19 years)were randomly selected and grouped by gender.Feet high floor,one foot high floor,and single leg squat were analyzed by a Vicon motion analysis system and Kistler 3D force platform for action.The knee joint angle and ground force were evaluated.Results:Results demonstrated biomechanical differences in knee joint between male and female athletes.Conclusion:ACL injury in taekwondo female athletes indicated the biomechanical mechanism of the knee joint,and it can be prevented by neuromuscular control training.
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