脊柱后伸肌群解剖结构特点。

Spine after extensor group of anatomical characteristics.

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于是一个两臂后伸，身带披纱的女神像飘然而至。

So, after a stretch arms and body with mantillas floated to the goddess.

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椎弓根和椎弓峡部在压力和后伸负荷下等效应力较高。

Higher equivalent stress was found when compression and extension loadings were applied to the pedicle of vertebral arch and interarticularis.

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