1Highlights of hip and knee arthroplasty：feelings of postoperative patients and functional rehabilitationZHU Qing-sheng, CAO Xiao-rui, YAN Zhao, WANG Gang881-8842Efficacy and safety of multiple intravenous application of tranexamic acid for reducing perioperative bleeding during total hip arthroplasty：a prospective randomized controlled trialYAO Huan, XIE Jin-wei, YUE Chen, MA Jun, PEI Fu-xing885-8903Prospective comparative clinical study on two skin closure techniques in primary total hip arthroplasty surgeryRUI Min, ZHENG Xin, SUN Shao-song, ZHANG Xing-chen, WANG Hai-bo, SHANG Jie, ZHAO Feng-chao, GUO Kai-jin891-8954Influence of application method of tranexamic acid on the blood loss after total knee arthroplastyZHANG Xiao-dong, LI Lei, WANG Guo-zhu, XIAO Bin896-8995Comparison of clinical effects of different suture methods in total knee arthroplasty surgeryWEI Jian, HONG Ding-gang900-9036Proximal tibial biplane osteotomy with locking plate fixation for medial knee osteoarthritisLIU Ze-peng, LI Chun-hong, RONG Shao-yuan, LI Jian-hua, YAO Zhi-jie, LI Ying-hui, HUANG Ye904-9087Histological study on mechanoreceptors in the cruciate ligament in the patients with osteoarthritis of the kneeDANG Bao-ping, MAO Li-biao, DIWU Wei-long, ZHANG Qi, YAN Jin-hong, YANG Min, HAN Yi-sheng909-9148Research on the influence of joint injuries on gene expressions of articular cartilage proteasesXUE Jian-li, CUI Wei915-9199Effects of high-intensity cyclical hydrostatic pressures on the ultrastructure and type II collagen expression of chondrocytes of knee joint in humanWANG Xin, BAI Qian, XU Kui, QIU Xiu-chun, FAN Qing-yu, MA Bao-an920-92410Preventive strategies of gluteus medius injury in the total hip arthroplastyXU Chao, FAN Qiu-ping, WANG Bo, JI Wei-ping925-92911Progress in studies on the mechanoreceptors in the cruciate ligamentDANG Bao-ping, YAN Jin-hong, HAN Yi-sheng930-93412Research progress of cocktail therapy for post-operative pain control in total knee arthroplastyLEI Yi-ting, PEI Fu-xing934-93813Effects of microenvironment imbalance of oxygen free radicals on the progress of osteoarthritisLI Hong-bo, PENG Lei939-94314Two cases of adult congenital macrodactyliaLU Ming-feng, CAO Xue-wei944-94615Osteochondroma in the hip joint in a caseZHANG Yuan-jian, YIN Tong-zhen, ZHANG Wen-lu946-94816Blood supply to the femoral head：discussion of textbook “Surgery”MEI Jiong949-952 