Abstract: Objective To investigate the main point of long backbone fracture caused by blunt force in forensic clinical identification and to provide a reference for the inspection and appraisal practices of such injury. Methods Ninety-nine cases of adult long backbone fractures were collected from January 2006 to December 2013 in Gutian County of Fujian Province. According to the terms of fracture location, mode of injury, type, the data were summarized. Results In the 99 cases, there were 36 cases caused by hitting, kicking, and falling and 63 cases caused by vehicle collision. The majority of the former was ulna, and those of the latter were tibia and fibula. The types of fracture were transverse one, short oblique one, long oblique one, and spiral one. Conclusion Different types of long backbone fracture, not only causing stress load of fractures as well as structural differences related to each segment.

Key words: forensic medicine, fracture, trauma, nonpenetrating, long backbone