1From President5778-57782C-arm X-ray machine displacement measurement of acetabular anteversion angle and abduction angle during total hip arthroplastyChen Jun, Fu Peng, Wang Xu-gang, Zhang Jun, Gao Ming, Huang He, Wang Shou-gang5781-57873Difference in periprosthetic acetabular bone mineral density between osteonecrosis and osteoarthritis patients after primary total hip arthroplastyChen Jin-dong, Xu Xin, Sun Dong-hong, Min Cui-xia, Chen Yang, Liu Xiu-mei5788-57934Design, manufacture and experimental analysis of cementless hip prosthesis in torsional force transmissionPang Bang, Wu Qi, Guan Xiao-dong, Xi Wen-ming5794-58005Finite element analysis of fixed platform prosthesis and rotating platform prosthesis in total knee replacementZhang Li-chao, Zhang Li-min, Wu Li-zhu5801-58066Local decompression and selective interbody fusion with pedicle screw fixation technique for the treatment of degenerative lumbar scoliosisLi Dan, Luo Xu, Yang Jun5807-58127Correlation of adjacent segment disease of L3-4 and gender after lumbar fusionWang Zhao-jun, Feng Yan-hong, Zhang Xiao-li, Du Shu-juan, Wang Xi, Zhang Shuang-wei, Fan Jin-peng, Xu Feng-zhou, Wang Wei-jiang5813-58188Metacarpal bone reconstruction plate single-segment fixation in the repair of atlas fracture:biomechanical analysis of in vitro three-dimensional motionLi Xiao-feng, Qin Jun-jie, Li Qiang, Yang Yuan5819-58249Experimental animal models of intervertebral fusion-induced adjacent segment degenerationLiu Ying-jie, Peng Jun, Liu Xiao-kang, Zhao Cheng, Yang Er-zhu, Xu Jian-guang5825-583310Relationship of quadriceps tendon and the stability of external fixator in rabbit femur fracture modelZhang Meng, Wei Jun-qiang, Duan Jian-wei, Yan Shi5834-583911Accuracy and safety of digital image navigation aid module for thoracic pedicle screw placement in childrenHuang Lin, Wang Long, Cheng Rui-xue, Zhao Lin-jing, Wang Zhen-mei5840-584512Reconstruction for patient-specific bone model based on digital geometry processing techniqueChen Zhong, Xing Yue-gang, Luo Shao-hua5846-585113Application of a three-dimensional printing model of surgical decompression for cervical ossification of the posterior longitudinal ligamentYuan Feng, Lu Hai-tao, Deng Bin, Li Zhi-duo, Li Wei, Wu Ji-bin, Guo Kai-jin5852-585814Single iliac screw and dual iliac screws and titanium mesh cage fixation in the reconstruction of lumbosacral defects with finite element analysisMa Liang, Guo Wei-chun, Xu Yong-tao5859-586615Finite element method for analyzing the stress distribution of acetabulum under different loadsZhang Hai-feng, Yin Ai-hua, Dong Yi, Song Cui-rong, Liu Yuan-yuan, Ren Guo-shan, Pang Yin5867-587216Automatic segmentation method for hip joint based on Bayesian Decision TheoryMa An-bang, Wang Dong, Wu Hui-hui, Dai Ke-rong, Gu Dong-yun5873-587817Three-dimensional temperature distribution during femur tumor hyperthermia based on three-dimensional temperature fieldGao Su5879-588418Comparison of 3.0T MRI and SPECT-CT in the diagnosis of osteoporotic vertebral compression fracturesDing Chao, Sun Qiang, Tang Cheng5885-589119Effects of a combined nerve block on intraoperative stress and postoperative immune function in elderly patients subjected to total hip replacement:study protocol for a randomized controlled trialA Liang-de, Zhang Guang-yuan, Yan Hong-xiu, Guo Yan-hong, Yuan Yong-jin, Jia Zhen5892-589720Digital navigation enhances cervical pedicle screw placement accuracy and safety:study protocol of a randomized controlled trialGuan Jun-jie5898-5903