“…Thermal infrared imager was widely applied in the fields of sports science (Dai andShaoxun, 2007. Mujikal, et al, 2004;Han, et al, 2009;Young et al, 1987;Kicklighter, 2011;Atkins and Thompson, 2011) such as diagnosis and forecast of injury, assessment of training quality, investigate of sports equipment etc.,. Feldman et al (1984) took the thermal images of cervical vertebra and upper body in healthy people, which positively promoted the application and development of thermal infrared imager, and found that it was normal that the temperature difference on both sides of trunk was no more than 0.62 ℃.…”