26.藉由梨狀肌收縮時在受傷的斜軸上將薦骨移動，是在治療薦髂關節何種失能？ (A)薦骨前扭轉失能(forward sacrum torsion dysfunction) (B)薦骨後扭轉失能(backward sacrum torsion dysfunction) (C)單側薦骨伸展失能(unilateral extended sacrum dysfunction) (D)單側薦骨屈曲失能(unilateral flexed sacrum dysfunction)