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15.手肘屈曲幾度時最能促進前臂外旋( supination)的動作?
(A)15-30度
(B)45-60度
(C)70-80度
(D)90度以上


答案:D
難度: 簡單
1F
花筠翔 高三下 (2019/06/14)

小兒OT,P.301:“Supination is easiest to use when the elbow is fully flexed and most difficult to use with full elbow extension. The therapist therefore can use activities that position the elbow in greater than 90 of flexion to facilitate

supination”,其機制應該是supinator的分布,其作為跨關節肌肉,角度會影響肌肉長度。

15.手肘屈曲幾度時最能促進前臂外旋( supination)的動作? (A..-阿摩線上測驗