The feeble man feels an ache on his heels and knees when he kneels on the steel steering wheel.

当虚弱男子跪在钢舵轮上时他的脚跟和双膝感到疼痛。

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This form allows for a more comfortable squatting position. The weight is more centered on the heels rather than the balls of your feet and knees, giving more support.

这种蹲姿较为舒适，整个身体的重量不是集中在脚尖和膝盖，而是集中在后脚跟，给了身体更多支撑力。

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Finally inhale and straighten the knees, pressing the heels up toward the ceiling.

最后吸气伸直双膝，脚跟向天花板的方向伸展。

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Children have growth plates in areas like their shoulders, knees, elbows and heels that have not yet fused and often are affected by the sports they play.

CNN: Ways to help your children stay in the game injury-free

The argument goes, if you have bad knees from running, or a sore hip, look at those padded heels and the air bubbles that have you wrecking your skeletal structure.

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