Monitoring Athletic Training Status Through Autonomic Heart Rate Regulation: A Systematic Review and Meta-Analysis

Abstract

Increases in vagal-related indices of resting and post-exercise HRV, post-exercise HRR, and HR acceleration are evident when positive adaptation to training has occurred, allowing for increases in performance. However, increases in post-exercise HRV and HRR also occur in response to overreaching, demonstrating that additional measures of training tolerance may be required to determine whether training-induced changes in these parameters are related to positive or negative adaptations. Resting HRV is largely unaffected by overreaching, although this may be the result of methodological issues that warrant further investigation. HR acceleration appears to decrease in response to overreaching training, and thus may be a potential indicator of training-induced fatigue.

Effects of creatine supplementation on cardiac autonomic functions in bodybuilders

“…When positive adaptation to training has occurred, vagal-related indices of HRV increase and HR decrease. 29 In the supplement (-) group, HR was significantly lower than in the control group. Contrarily, there was no significant difference between the supplement (+) and control groups.…”

“…ANS has a pivotal role in the regulation of the cardiovascular system in maintaining optimal function during various activities in healthy subjects. When positive adaptation to training has occurred, vagal‐related indices of HRV increase and HR decrease . In the supplement (–) group, HR was significantly lower than in the control group.…”

Oxygen Uptake, Carbon Dioxide Production, Minute Ventilation and Heart Rate during Post Exercise Recovery in Healthy and Unmedicated Elderly and Young Men

“…Indeed, the analysis of recovery from exercise may provide insights that could help optimize practical applications in terms of exercise recommendations for health and performance [7]. For instance, aerobic training prescription and control are sometimes based upon the relationship between exercise intensity and recovery duration [8], particularly within athletic fatigue/performance [9]. Furthermore, postexercise adjustments relate with homeostatic ability and health [7].…”

Assessing the Measurement Sensitivity and Diagnostic Characteristics of Athlete-Monitoring Tools in National Swimmers

“…For example, HRV has been used to monitor athletes' fitness or fatigue status and inform future training decisions. 5,8 Changes in HRV reflect the autonomic nervous system's control of cardiovascular function from alterations in parasympathetic modulation that may signify an adaptive or maladaptive training state. 3,8 However, while case studies have identified the positive and negative training responses, whether these variables are sensitive to adjustments in training or performance is unclear.…”

“…5,8 Changes in HRV reflect the autonomic nervous system's control of cardiovascular function from alterations in parasympathetic modulation that may signify an adaptive or maladaptive training state. 3,8 However, while case studies have identified the positive and negative training responses, whether these variables are sensitive to adjustments in training or performance is unclear. As such, the purpose of this study was, first, to report the week-to-week variability, reliability, and signal-to-noise ratio in common athlete-monitoring tools and, second, to assess the diagnostic characteristics of these tools to identify improvements and decrements in performance.…”