|（1.School of Sport Science，Tianjin Normal University，Tianjin 300387，China；2.School of Sport Science，Tianjin Normal University，Fuzhou 350007，China；3.WISE Laboratory，Dalian University of Technology，Dalian 116024，China）
Abstract: The Exercise and Sport Research Quarterly and Exploration published in the Untied States and the Jour-nal of Sports Science published in Britain are three internationally famous comprehensive journals. According to SCI and SSCI data provided by US Science Information Service, and by using the common word analysis method in scientific metrology and CiteSpace, a visualization software package, the authors plotted out knowledge charts of keywords frequently used in the 3 journals between 2005 and 2009. By analyzing the knowledge charts, the authors revealed that international frontlines of the study of sports science mainly cover 7 areas, namely, study of sports performances, study of sports psychology, study of children and teenager physical exercise and health, study of sports fatigue, study of sports recovery, study of sports biomechanics, and study of football sports injury.
Key words: scientific metrology；sport science；scientific knowledge chart；keywords；common word analysis