That is an enormous amount of wear and tear on the 26 bones, 33 joints and more than 100 tendons, ligaments and muscles that make up the foot.

这对于构成脚的26骨头、33个关节以及100多个肌腱、韧带和肌肉来说是一个巨大的折磨。

youdao

Most of the ligaments and muscles that are part of it create the right static to hold all the body weight even at abrupt movements like, for example, after a jump or during long efforts at a marathon.

大部分的韧带和肌肉是支撑起整个身体重量的一部分，特别在剧烈的运动中，例如跳高，或者马拉松比赛。

youdao

Both are caused by the stretching of skin, muscles and ligaments, and both are normal.

这都是因为皮肤、肌肉和韧带拉伸的原故，也都属于正常现象。

youdao

It's tendons and ligaments and muscles that you usually worry about reoccurrence than bones.

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