1Application of gyroscope to acetabular cup positioning in total hip arthroplastyGe Xing-tao, Ge Xing-hua, Shang Chun-nuan, Wang Zeng-tao3445-34502Gamma nailversus artificial femoral head replacement for intertrochanteric comminuted fractures of femur in the elderlyHu Zheng-xia, Li Kai-nan, He Zhi-yong, Chen Er-dong, Wang Xue-jun3451-34553Anticoagulant after prosthetic implantation or plate fixation for resection/curettage of primary bone tumor around the knee joint：effect of rivaroxabanWang Qian, Wang Zhen, Guo Zheng, Chen Guo-jing, Wang Cai-ru, Lin Yao, Wu Zhi-gang3456-34624Modified poking closed reduction for complex femoral neck fractures and choice of implantYang Fa-min3463-34685Proximal femoral nail antirotation-Asia for trochanteric femoral fractures：the first choice for the elderly patientsFang Chao, Xie Jia-bing, Xu Zhu-jun, Ding Guo-zheng, Yang Min, Wang Zheng-yu, Zhou Mao-sheng3469-34746Proximal femoral locking plate fixation for obsolete intertrochanteric fracture in old patientsZhang Jun, Wang Jin, He Ai-yong3475-34807Construction of three-dimensional model of safe screwing in acetabular area of anterior column plateSong Ying-chun, Wang Gang, Lu Chao, Gao Bo-hua3481-34868Zero-profile anterior cervical interbody fusion for cervical spondylosis：short-period evaluation of support and fixation outcomesYin Biao, Tang Long, Zhang Bo, Wang Le, Ding Qiang, Zhang Liang, Zhang Zhi, Yang Bo3487-34929Neulen titanium plate fixation and spinal canal expansion bone grafting for cervical spondylosis：half-year follow-up of healing rate of bone graftBu Guo-qiang, Zhang Shan-di3493-349710Bone fusion, correction and functional recovery after three approaches of implant fixation for lumbar burst fracturesHuang Xiao-nan, Zhang Yong3498-350311Observations and measurements of Wiltse paraspinal sacrospinalis splitting approach in Chinese peopleGui Ke-ke, Yu Yong-lin, Zhao Ming-dong, Tan De-yan, Yin Wang-ping3504-350912Finite element analysis of posterolateral fracture of tibial plateau using three types of internal fixationFan Xin-bin, Zhang Yan, Yang Tie-yi, Luo Cong-feng, Gong Lu-lu, Liang Xu, Liu Shu-yi, Wu Liang, Liu Yue3510-351613Finite element analysis of screw layout of locking plate for treating the distal femur fractureLin Zhen-en, Xie Dan, Zhang Sen3517-352214Safe pathway of screw implantationvia posterior thoracic vertebra outside pedicle：anatomical and radiographic measurement of costotransverse grooveWang Huan-xi, Yan Hao-jun, Yao Yi-yong, Deng Zhan-sheng3523-352615Relationship of mechanical strength of iliolumbar ligament with L5/S1 disc herniation and L5 spondylolisthesis：an imaging analysisChe Chun-qing, Chen Liang, Gu Yong, Feng Yu, Zhang Chi, Shan Zhong-shu, Wang Ling-jun, Yang Hui-lin3527-353116Wedging index of thoracolumbar vertebrae in healthy persons measured by magnetic resonance imagingZhang Bin, Wu Guang-zhong, Wu Peng3532-353617Microscopic imaging of three-dimensional reconstructed scaphoid bone measured by Micro CTLiu Wei-hua, Tang Xi, Wang Zhi, Li Xin3537-354118Minimally invasive versusopen transforaminal lumbar interbody fusion for lumbar degenerative disease：a meta-analysisRan Bing, Yan Lei, Zhao Xiao-lei, Xie Yuan-long, Cai Lin3542-355019Two surgical methods for osteoporotic vertebral compression fractures：a meta-analysis on safety and efficacyMahmootjan?Muhammat, Zhu Shao-bo, Li Jing-feng, Jin Lin, Su Ri-han, Wang Xi3551-355920Meta-analysis of complications after volar and dorsal plate fixations for repair of distal radius fracturesZhang Yi, Yang Tuo, Li Hui, Deng Zhen-han, Yang Ye, Zeng Chao, Lei Guang-hua3560-3566 