Fig. 3
X-rays and functional activity of the control group. a-d Series number 2 patients. a Preoperative X-rays showed fracture type was 42A1; b and c X-rays of postoperative 2 months showed no obvious callus formation. d The limb activity picture showed the limb motion. e–h Series number 4 patients. e Preoperative X-rays showed fracture type was 42A1; f–h X-rays of postoperative 3 months showed that the fracture line could still be seen although the callus formed, besides, the limb motion was not recovery