人在出生时，脊柱为一向前弯曲的曲线结构，爬行时学会抬头，以维持视线水平，形成颈椎前凸(cervical lordosis)，站立后为维持平衡，形成腰椎前凸(lumbar lordosis)，弯曲的结构可以分散重力的作用，以减轻脊柱的负荷。
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第1胸椎(T1)可视为头颅及颈椎的“基座”,颈椎前凸角(cervical lordosis,CL)与T1倾斜角(T1 slope,T1S)之间存在正比例关系[1]。
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...、肩颧距与颈背部疲劳的相_求索_新浪博客 关键词 颈椎，肩颧距，侧卧位，侧枕-肩颧比 [gap=1693]Key words: Cervical lordosis, Lengths of acromion to zygomatc arch, Lateral position, Ratio between pillow l..
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Conclusion: Young cervical disease is the most important characteristics of X-ray abnormal cervical lordosis.
结论：青年型颈椎病最主要的X线特点是颈椎生理曲度异常。
Results:There were no difference in the maintenance of intervertebral height, cervical lordosis and fusion rate. But the fusion velocity of the Group A was quicker than that of Group B.
结果：两组患者在椎间高度和生理曲度的维持，融合率方面并无明显差别，但是A组的椎间融合速度明显快于B组。
According to the concept of sagittal spinal balance, the alternating curves of cervical and lumbar lordosis and thoracic and sacral kyphosis enable the head to be positioned over the trunk and pelvis.
根据矢状面上脊柱平衡的理念，颈椎和腰椎的前凸，胸椎和骶椎的后凸构成的交替曲线使头能够定位与躯体和骨盆的上方。
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