1Alterations in imaging and histopathology after aspiration of nucleus pulposus of rabbit lumbar intervertebral discLiu Hang-tao, Wang Wan-ming, Lin Zhi-jun, Chen Guo-xian, Lin Guo-ye, Li Ping-sheng1313-13182Evaluation methods for small vascular network distribution and counting around the knee joint in ratsWang Le, Lou Ai-ju, Ding Qiang, Yang Bo, Chen Tao, Tang Long, Zhang Bo, Yin Biao, Song Ting, Zhang Zhi1319-13243Analgesic effects of intraarticular cocktail versus intravenous parecoxib injection after total hip arthroplastyDu Xue-ping, Lu Jian-quan, Xu Ping, Zhu Yu-chang, Dong Da-yong1325-13304High risk factors in 128 elderly patients undergoing hip replacementZhang Ke-yun, Yu Li-ming, Zhang Xu-hua, Lin Xin, Zhang Ren-ming, Liu Jun, Chen Chao, Wang Jian-chao1331-13365Effect of total knee arthroplasty via different approaches on extensor mechanismZhou Chao, Peng Wei, Si Zhi-ping1337-13426Total knee arthroplasty for treatment of valgus knee deformityZhang Rui, Liu Hai-ping, Xie Xing-wen, You Cong-xin, Wang Cheng-xiang1343-13497Primary development and biomechanics of single vertebrae internal fixation system for thoracolumbar compression fractureLi Ji-cai, Liu Ping-jun, He Yong-li, Zhao Wei-dong, Liang Dong-zhu, Mao Bing-yan1350-13558Mechanical property of different cross-sectional area screws in middle and upper thoracic vertebral pedicle-rib complexXin Da-qi, Huo Hong-jun, Yang Xue-jun, Xing Wen-hua, Zhao Yan, Fu Yu, Zhu Yong, Li Feng1356-13619Postoperative coronal plane imbalance and model construction for adolescent idiopathic scoliosisLi Shi-hao, Deng Qiang, Xun Chuan-hui, Sheng Wei-bin1362-136710Multi-segment transpedicle spinal fixation for thoracolumbar fractures with ankylosing spondylitis:one-year follow-upWu Xing-guo, Huang Jian, Jiang Yu-qing, Guo Wei-kang, Wang Jun1368-137311Posterior screw-rod fixation for idiopathic scoliosis:factors affecting the resultsBi Zhong-pu, Xia Lei, Xu Jing-lei, Zhou Ya-qi, Ke Guang-shui, Sang Liang1374-137912Minimally invasive cervical laminoplasty versus single-door laminoplasty for treatment of cervical spondylotic myelopathyWang Jing-yu, Zhang Chun-lin, Zhai Fu-ying, Li Zhen-wei1380-138513Radiographic anatomy features of teenagers’ upper-middle thoracic vertebraeZhang Zhi-feng, Shi Jun, Wei Jing, Wang Xing, Zheng Lei-gang, Huo Hong-jun, Li Zhi-jun1386-139114Alterations in cross-sectional area of paraspinal muscle induce degenerative lumbar spondylolisthesisZhu Kang, Sun Gen-wen, Qiao Pei-liu, Tayier?Abuduhadeer1392-139715Three-dimensional virtual reality imaging combined with two-dimensional ultrasound images for the visual evaluation of hip dysplasia in infantsLi Ping, Zhang Yuan-zhi, Dou Rui, Guo Zhi-ying1398-140316Meta-analysis on application of computer-assisted navigation in lumbar pedicle screw fixationWang Peng, Jin Ge-le, Yang Yi1404-141517Application of three-dimensional reconstruction in pelvic and acetabular fracturesHuang Wan-jing, Tian Jing1416-142118Prosthesis selection and complication treatment in elderly femoral neck fracturesSun Hai-bo, Wang Yang, Pan Jin-she1422-142519Femoral neck fracture:problems and countermeasuresMa Wen-hui, Zhang Ying-ze1426-143320Diagnosis and repair of chronic ankle instabilityYang Zhen, Hu Ya-zhe1434-1440 