上肢在肩关节外展90°位置上逐步下降回到躯体侧方时,三角肌所进行的收缩为 ( )A.等张收缩B.向心性收缩C.离心性收缩D.等速收缩E.等长收缩

作者: rantiku 人气: - 评论: 0
问题 上肢在肩关节外展90°位置上逐步下降回到躯体侧方时,三角肌所进行的收缩为 ( )
选项 A.等张收缩 B.向心性收缩 C.离心性收缩 D.等速收缩 E.等长收缩
答案 C
解析

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