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倒退跑有许多好处,如腿肚不容易被拉伤;可增加膝与踝关节的运动量,使之更有弹性,因为倒退跑时受震动的是小腿肌肉而不是
Back run has many benefits, such as the calf is not easy to be injured; can increase the amount of knee and ankle movement, so that more flexibility, because the retrogression is the vibration of the calf muscles rather than