As you stand, maintain the natural curve in your lower back and keep your core muscles tight. Use your leg muscles - not your back - to lift the object.
在你站起来的时候，继续保持腰背部的自然曲线，保持收紧你的核心肌肉。用你的腿部肌肉——不是背部——去抬起物品。
As you stand, maintain the natural curve in your lower back and keep your core muscles tight.
在你站起来的时候，继续保持腰背部的自然曲线，保持收紧你的核心肌肉。
When you do it in a standing position, keep your abs and lower back tight to support your spine.
当你站在它的位置，让您的绝对值和腰部紧来支持你的脊椎。
When you do it in a standing position, keep your abs and lower back tight to support your spine.
当你站在它的位置，让您的绝对值和腰部紧来支持你的脊椎。
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