Weight in heel, See up. the thigh is parallel the floor knee over the ankle.

重量在脚跟，大腿与地面平行膝盖脚腕垂直。

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Heels not only have to be the right height but in the right position: not too far back, but under the centre of the heel so they support your weight properly, following the natural line of your body.

鞋跟不仅要有一个合适的高度，也需要在正确的位置上：不能太靠后，要在脚后跟的中心，这样的鞋跟才能沿着你的身体曲线有效地支持你的体重。

youdao

In contrast, a crouched stride yielded markedly deeper toe impressions than heel impressions, reflecting faster weight transfer over the length of the foot.

相反的，以蜷曲姿态行走时脚趾深度明显大于脚跟深度，反映出脚掌长度上更快的重量转移。

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With their inflexibility, cushioning, and raised heels, they almost force you to crash down on your heel and send the impact of all your weight in every step straight into your knees and hips.

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