1Cognition and practice of the concepts and key techniques in orthopaedic enhanced recovery after surgeryHUANG Ze-yu, PEI Fu-xingEditorial722-7242Individualized staging and treatment of knee osteoarthritis with extra-articular tibial stress fractureYU Wen-xing, LU Chao, XU Ke, HOU Wei-kun, PENG Kan, LIU Lin, XU PengJoint surgery725-7303Higher satisfaction with patella resurfacing in cruciate-retaining unilateral total knee arthroplasty: early follow-up resultsLIU Hao, LIU Qiang, TAO Ke, HOU Yun-fei, LI Hu, LIN Jian-haoJoint surgery731-7374Diagnosis of coracoclavicular ligament injury in acute acromioclavicular dislocations by energy spectrum CTZHANG Yi, ZHAO Jia, LUO Qian, WU Xiao-ming, ZHANG LeiJoint surgery738-7445Meta analysis of dual-mobility total hip arthroplasty and hemiarthroplasty for the treatment of displaced neck femoral neck fractures in elderly patientsCHEN Yang-fan, QU Yi-ming, LUAN Fu-jun, NIU Xiong, LI BoMeta-analysis745-7556Research and application of robot-assisted technology in clinical teaching of joint surgeryJI Quan-bo, LI Jun-cheng, WANG Yan, ZHANG Guo-qiangOriginal article756-7607Clinical effect of ultrasonic bone curette assisted en bloc resection of the posterior wall of the spinal canal in the treatment of thoracic ligamentum flavum ossificationZHANG Bin, HU Yuan, KONG Qing-quan, FENG Pin, MA Jun-song, LIU Jun-lingOriginal article761-7668Clinical results of the C-arm X-ray monitored reverse closed reduction in the treatment of abductor-in-socket femoral neck fracturesFANG Yong, WANG Xiao-heOriginal article767-7719Research progress of surface electromyography evaluation for functional ankle instability in different motion statesZHANG Chen, JIANG Cai, GUO Jin-hua, GUO Miao-miao, LI Xiao-mei, YU Sheng-xian, XIA Li-bin, MA Sheng-chao, LIN Zhong-huaReview772-77610Research progress on the pathological mechanism of osteoarthritis synoviumLI Bai-jun, ZHENG Jie, YANG Feng, YUAN Pu-wei, DONG BoReview777-78211The role of the Wnt signaling pathway in osteoarthritis of the knee joint in cartilage degenerationFANG Yu-ting, LIU Zhi, YAO Wu-ping, WANG Yu-jie, ZHANG XuanReview782-78512The emerging roles of SIRT1 in the degeneration of intervertebral discLIU Xu-wen, SUN Hong, PENG Guo-xuan, YANG HuaReview786-79113Research progress on the treatment of tenosynovial giant cell tumourYU Jia-huan, HU Kai, MENG Hong-ming, SHOU Ze-yu, BAI Zhi-biao, CHEN ChunReview792-79714Detection of an eikenella corrodensin patient with chronic osteomyelitis of tibia: a case reportZHANG Kang, BAI Yu-zhe, SHI Yu, WANG Hai-binCase report798-800 