Keywords humeral shaft fracture/treatment;fracture immobilization;locked intramedullary pinning fixation/methodology;anterograde pinning;retrograde pinning;clinical study;

• 肱骨干骨折/治疗;骨折固定术;交锁髓内钉固定/方法;顺行穿钉法;逆行穿钉法;临床研究;