Normal to spine 垂直于骨架
In a normal spine, there is ample space for the spinal cord in the spinal canal.
在正常脊柱，脊髓在椎管内有充足的空间。
ResultsCompared with the control group normal spine, the strain and displacement of the spine decreased 17-20% and 8% respectively after TSRH fixation.
应用TSRH内固定的脊柱应变、位移比正常脊柱对照组的应变、位移分别减小17—20％和8％；
The normal anatomy the spine is preserved since the frontal approach takes advantage of normal tissue planes and does not require removal of any bone.
前路进入手术是利用正常的组织面，不需要去除任何骨结构；所以可以保留正常的脊柱解剖结构。
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