Conclusions:1 .As far as stress and strain and excursion are concerned , the reduction and fixation of forearm supination and wrist neutrality-ulnar deviation is the best therapy for the Colles fracture of all fixations.

• 尺偏前臂旋后位的固定体位，而轻度掌屈(<20“)稍尺偏前臂旋前位又优于轻度背伸(<10“)尺偏前臂旋后位的固定体位。