Under the wrist neutrality and slight ulnaric deviation, the stress of Colles fracture all were pressure strain and they were almost as large as each other during forearm supination.

• 当腕关节中立、稍尺偏，前臂旋后位时，骨折断面的掌、背、尺、桡侧中点的应力均为压应力，且掌背侧数值比几乎为1比1。