摘要：Oliveira TP, Lima JRP. Post-Exercise Cardiac Full Vagal Reactivation: Initial Proposal and Influence of Physical Training. JEPonline 2012;15(6):103-111. The optimal autonomic recovery after physical exercise has an important impact on the health status and in sports training. There is no easy-to-apply method to assess the body's ability to fully recover the autonomic balance after the exercise stress. The purpose of this study was to make an initial proposal of a method to evaluate the time needed for restoration of cardiac vagal modulation after exercise and investigate the influence of physical training on this time. Cardiac vagal modulation was evaluated through the analysis of RMSSD at rest and during 60 min after a submaximal exercise (50% VO2 max) on a cycle ergometer in healthy young males (n = 18). Then, the time required individually for the post-exercise RMSSD to reach its resting values (full vagal reactivation time, FVR) and the influence of the level of physical training on this time. The ttest for independent measurements was performed to compare the FVR time between the low and the high physical training groups (P<0.05). On average, 17 min (± 14 min) was required for FVR after submaximal exercise. Individuals with higher levels of physical training had faster FVR (9.5 ± 7.6 min) than their counterparts with lower levels of physical training (24.8 ± 17.1 min). The method proposed by this study is efficient and promising. Also, the positive effects of physical training on post-exercise FVR support the practice of regular exercise as an efficient strategy to improve the cardiac autonomic recovery after exercise.
