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一、张与弛的运动生物力学机理1.张与弛的力学机理张指紧张,是指以肌肉为主体的受力状态。这种受力有压缩和拉伸两种典型的状态。阻力的来源有两种:一种是外力,另一种是自身的重力或惯性力。肌肉抵抗阻力的方式也有两种。第
First, Zhang and relaxation mechanism of biomechanics 1 Zhang and relaxation mechanics Zhang means tension, refers to the muscle as the main stress state. This force is compressed and stretched two typical state. There are two sources of resistance: one is external and the other is own gravity or inertia. There are two ways to resist muscle resistance. No.