This research consisted of four studies that were conducted as acute and chronic studies. Study 1 and Study 3 were conducted to analyse the biomechanical responses of different lunge protocols. Study 2 and Study 4 were conducted to determine and compare the chronic effects of different lunge training programs on physical performances [lunge one repetition maximum (1RM), vertical jump, standing broad jump and change of direction] and muscle architecture. Study 2 and Study 4 also attempted to determine whether there is any relationship between muscle architecture and physical performance. Kinematics, kinetics, muscle activity and fascicle behaviour of both dominant and non-dominant limb were determined and compared between; i) step forward lunge (SFL) and jump forward lunge (JFL) among fifteen university badminton players (Study 1) and ii) 30% 1RM (30FL) and 70% 1RM (70FL) among thirty untrained men (Study 3). Eight weeks effects of different lunge training on physical performance and mu.....

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