(1.Department of Physical Education,Communication University of China,Beijing 100024,China;2.Department of Sports and Art,Beijing Sport University,Beijing 100084,China;3.Department of Physical Education,Beijing Wuzi University,Beijing 101149,China) Abstract: In order to investigate the difference of students’ percentages of exercise time at different intensities by moni-toring the changing of heart rate of regular university students under two teaching modes, the authors, by following the principle of random sampling and by using RS 800CX multi-exercise heart rate meter as a measurement tool, remotely measured the changing of heart rate of 68 current university students during 13 aerobic dance classes, set two target heart rates, determined 3 observation areas, namely, medium intensity heart rate (>HRmax×64%), higher intensity heart rate (>HRmax×77%), and in-between intensity heart rate (HRmax×64%Key words: sports physiology;sport education mode;exercise intensity;aerobic dance;regular university |