标准姿势时,对前臂的叙述,正确的是A.前臂与上臂长轴线一致B.前臂偏上臂轴线外侧10°~15°角C.前臂偏上臂轴线内侧10°~15°角D.前臂...

作者: rantiku 人气: - 评论: 0
问题 标准姿势时,对前臂的叙述,正确的是
选项 A.前臂与上臂长轴线一致 B.前臂偏上臂轴线外侧10°~15°角 C.前臂偏上臂轴线内侧10°~15°角 D.前臂偏上臂轴线前侧10°~15°角 E.前臂偏上臂轴线后侧10°~15°角
答案 B
解析 :上肢的前臂与上臂中轴不在一条线上,而是前臂向外侧偏10。~15。角,称为提携角。

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