They straighten and arch upward from their lower back, which has a nervous breakdown [anything from soreness to more permanent injury] because it's getting all the stress, "says Price."

他们从他们的腰背部挺直和拱起，这些都会造成神经性的伤害(有些从暂时的伤痛变成永久性的伤害)因为腰背承受着所有的压力。

youdao

With or without back support, do not arch your back.

无论有没有回来支持，不拱你的背部。

youdao

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。

youdao

He was the first person to go over backwards with a back arch.

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