1Biomechanical characteristics of bipolar femoral head prosthesis replacement and internal fixation for femoral neck fractures in the elderlyJiang Yuan-tao, Jiao Jian-bao, Xue Jin-wei, Wang Yun-fei3805-38102Total hip arthroplasty for determining the position of the prosthesis and the biomechanical propertiesQi Da-chun, An Xin-rong3811-38163Changes of acetabular angle at different positions after total hip arthroplastyTang Zhi, Gui Bin-jie, Ding Nan, Rong Gen-xiang, Gao Jie, Wang Si-sheng3817-38224Influential factors for hidden blood loss after primary unilateral total knee arthroplastyHuangJia-gu, Zhang Ke, Tian Hua, Wang Xiao-yong, Cai Hong, Li Zi-jian, LiFeng3823-38295Correlation of free fatty acids and hidden blood loss after totalknee arthroplastyWang Shao-gang, Tao Zhong-liang, Wang Sheng, Tang Ji-ying3830-38366Key techniques of internal fixation for proximal tibial fractures based on digital design and three-dimensional printingZheng Feng, Yu Zheng-xi, Chen Xuan-huang, Zheng Zu-gao, Wu Chang-fu, Wu Xian-wei, Lin Hai-bin, Zhang Guo-dong, Chen Xu3837-38427Effects of simulated weightlessness on biomechanics of motion unit of rhesus monkey lumbar vertebraWang Xiao-ping, Lu Ming, Ma Pei, Chen Zhi-ming, Yuan Wei, Zhao Fu-jiang, Zhao Hao, Ren Dong-yun, Ma Hua-song, Wu Zhi-hong3843-38488Safety ofscrew placement for severe spinal deformity with the use of O-arm three-dimensional computer-assisted navigation systemWang Tao, Wang Hui, Song Yan-li, Yang Da-long, Wei Hai-kun, Liu Feng-yu, Ding Wen-yuan3849-38559Percutaneous vertebroplasty or percutaneous kyphoplastyfor Kummell’s disease with vertebral posterior wall collapse:how to treat individually?Yu Hai-ming, Li Yi-zhong, Yao Xue-dong, Lin Jin-kuang, Pan Yuan-cheng, Zhuang Hua-feng, Wang Pei-wen3856-386210Significance of dynamic monitoring of D-dimer levels in predicting deep vein thrombosis afterspinal nerve repairWu Hao, Wang Yong-xin, Li Quan-cai, Huang Bin, Guo Yun-fa, Liu Ya-jun, Wang Jin-long, Luo Kun3863-386911Biomechanical properties of lateral plate combined with medial percutaneous lag screw and its application in the distal tibial fracturesWang Quan, Wang Dong-lai3870-387512Titanium plate combined with bone graft and internal fixation for calcaneal fractures:influencing factors for lateral L-shaped incision healingZhang Bai, Qi Xiu, Han Zuo-feng, Zhang Ying3876-388213Three-dimensional finite element analysis of stress distribution in necrotic femoral head before and after tantalum rod implantationZhu Gang, Zhang Li-gui, Zheng Zhong, Xu Ming-jie, Yang Ming3883-388914Three-dimensional finite element analysis of unstable intertrochanteric fracture in different fixation waysChen Shao-ming, Qiu Yu-jin, Lu Bin, Yang Zhi-qiang, Wang Bao-jiu, Feng Zhen-dong3890-389615Finite element analysis of the three and four cannulated screws for Pauwels III femoral neck fracturesZhang Hao, Shi Xue-feng, Yang Chun-bao, Lv Ji-hong, Xiang Yi, Sun Zhen-jun, Guan Jing-tao, Tang Yong, Xu Li-min3897-390216Finite elementanalysis of clavicle fracture with superior and anterior plate fixationLiu Dong, Wang Jian-ming, Zhang De-gang, Zhang Kai, Du Gang-qiang3903-390817Comparison of biomechanics of common compression plate and locking plate fixation for middle and lower complex humeral shaft fracture in the elderlyZhao Feng-feng3909-391518Distal femoral rotational axis reference method based on magnetic resonance techniqueLv Guo-yi, Li Zhen-xu, Xiang Xu, Li Jian-ling, Yin Jie3916-392219Navigation method of 64-slice CT reconstruction in tibial plateau fracturesXu Hong-wei3923-392820Meta-analysis of death risk factors for hip fracture in the elderlyWang Xin3929-3937