穿上跑鞋并且重心不对，都会导致你脚跟高于脚趾，这种往前倾斜的状态让你的脚和踝关节开始忍受首当其冲的冲击力。
Take that misplaced center of gravity and put it into running shoes, which naturally tip you forward with a heel higher than the toe, and your feet and ankles start to bear the brunt of any impact.
我们的重心实际上是偏离中心的，我们基本上是前倾的，我们一步，只赶上我们与我们的下一个步骤。
Our centers of gravity are actually off-center, and we essentially pitch forward as we step, only to catch ourselves with our next step.
黑志宏起跳阶段左腿摆动不充分，在接近重心最高点时躯干收腹前倾不够，在一定程度影响了右腿的摆动幅度。
The amplitude of swaying left thigh in the course of pre-jumping is not sufficient, it undermined their right leg's swaying after jumping.
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