题目内容
对于颈干角的描述,正确的是
2021-12-23
A.成人平均为127°
B.股骨颈骨折,颈干角一般无改变
C.<127°者,为髋内翻
D.是股骨颈与股骨干之间的夹角
E.>127°者,为髋外翻
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