矢状轴
- 网络sagittal axis;axis sagittalis;sagittal axial;Sag
矢状轴-
两根钢针与经穿针点的矢状轴之间的夹角分别为69.7±9.8°，75.7±8.2°。
The two angles between the steel needle and sagittal axle were 69.7 ± 9.8 ° and 75.7 ± 8.2 ° .
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目的：通过对正常骨盆标本在骨盆歪斜不同角度时的髋臼外展角进行测量，得出髋臼外展角在骨盆绕身体矢状轴旋转时的变化趋势和规律。
Objective : This study was designed to measure the angles of the acetabular abduction when facing the different pelvic obliqueness angles .
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结论寰椎后弓侧块置钉在矢状面和轴平面上均有一定的安全角度范围，依据此范围置钉可增加寰椎后弓侧块螺钉固定的安全性和可操作性。
Conclusion There is a safe range to insert atlas screw via posterior arch and lateral mass both in sagittal and axial plane .