Do when crouching start shipment to move , if rate is too rapid , the frequency is too much , perhaps use erupt force and rebound strong , can hurt knee joint.
做蹲起运动的时候，假如速度太快、次数太多，或者用爆发力和反弹劲儿，就会伤到膝关节。
Do when crouching start shipment to move , if rate is too rapid , the frequency is too much , perhaps use erupt force and rebound strong , can hurt knee joint.
做蹲起运动的时候，假如速度太快、次数太多，或者用爆发力和反弹劲儿，就会伤到膝关节。
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