Make this action strong, but don't let it cause your front ribs to jut forward or arch your low back.

做这个动作应该有力量，但不要引起肋骨外翻或者下背部成拱形。

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Press down on the mat with your hands, gently increasing the arch in your back.

这时，双手紧压地面，轻轻向后弓背，增加弧度。

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Eventually, you want your feet alignment to be so that a line drawn back from your front heel intersects the middle of the arch of your rear foot.

最后，你要你的脚正位，这样从前面的脚跟贯穿后脚的足弓呈一直线。

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