power landing
2.Buffer the analysis of technology kneeling in the way, draw: While landing and buffering, support foot of leg land change, human body power to make accelerated motion stem from hip joint, swing leg, pelvis, wave arm, etc. muscle go cm at charging the constellation, produce the effort backward to the position of application of force moving in opposite directions, through supporting the sub ground of function, is it to horizontal strength of rear, make human body overcome competence apply the brake, make the motive force forward to make.
