用椎间盘后减载预负荷高度、腰椎不对称度和L1、S1上终板之间冠状面cobb角来定义主要的测量结果，即椎间盘压缩程度。

Main outcome measures were disc compression, defined as post - minus preloading disc height, and lumbar asymmetry, defined as the coronal Cobb Angle between the superior endplates of S1 and L1.

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用椎间盘后减载预负荷高度、腰椎不对称度和L1、S1上终板之间冠状面cobb角来定义主要的测量结果，即椎间盘压缩程度。

Main outcome measures were disc compression, defined as post - minus preloading disc height, and lumbar asymmetry, defined as the coronal Cobb Angle between the superior endplates of S1 and L1.

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