就解决方式而言，脊柱前弯并非彻底，Shapiro教授说，因为孕期妇女仍普遍抱怨背疾和疼痛。
As solutions go, the forward spine is only partly successful, Prof. Shapiro said, since women still commonly complain of back trouble and pain during pregnancy.
甚至为直立行走增加平衡的前弯脊柱“在结构上不属于最理想的解决方式”，她说，因为它可导致身体不稳定，甚至椎骨骨折。
Even the basic forward curve that promotes balance in upright walking is “not a structurally ideal solution, ” she said, since it can lead to instability and even fractured vertebrae.
就像一辆车减速一样，在后弯之后前屈之前，脊柱也需要一些时间来恢复到中立状态。
Like a car gearing down, the spine needs some time to return to neutral after back bending before moving into forward bending.
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