This study determined the relationship between the shock attenuation index and joint movements of the trunk and lower extremities during single-leg landing.Fourteen healthy subjects were enrolled, including 7 males and 7 females. The angles of the trunk and lower extremities and the shock attenuation index due to the ground reaction force during the reaction force during the landing motion of one foot were measured. The measured indices were compared between the sexes. In correlation coefficients were calculated between each index. No significant gender difference was observed in the shock attenuation index. Only females showed a negative correlation between the shock attenuation index and the angular changes in knee flexion during landing. In addition, only females showed a positive correlation the angle of ankle plantarflexion during landing and the angle of knee valgus during shock attenuation.These results suggest that females absorb shock by using more joint motion at the knee than males.