Teachers often tell beginners to lift their sitting bones in forward bends because beginners tend to round their backs in such poses, which can lead to disk compression and lower-back injuries.

老师通常告诉初学者在前屈中尽量抬高他们的坐骨，以免弓着腰，因为那样的话可能会伤害到下背部。

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Over the course of a day, you can lose up to an inch of your height due to intervertebral disk compression.

在一天当中，由于椎间盘的压缩你就会失去了一英寸的高度。

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