We hypothesize that backpack loads significantly increase disc compression and lumbar curvature.

我们假设背包负荷显著增加了椎间盘的压力和腰椎屈曲。

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Objective: To investigate the relationship of musculus psoas major role and the formation of lumbar curvature.

目的：探讨腰大肌的作用及其与人类腰曲形成的关系。

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For general benching, you want to maintain the natural curvature of your lumbar spine.

对于一般边坡定位，你要保持你的腰椎自然弧度。

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For general benching, you want to maintain the natural curvature of your lumbar spine.

对于一般边坡定位，你要保持你的腰椎自然弧度。

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