Heart Rate Variability, Neuromuscular and Perceptual Recovery Following Resistance Training
Andrew A Flatt1, Liam Globensky2, Evan Bass3
1Biodynamics and Human Performance Center, Department of Health Sciences and Kinesiology, 11935 Abercorn St. Savannah, Georgia Southern University, Savannah, GA 31419, USA. aflatt@georgiasouthern.edu.
Sports (Basel, Switzerland)
|October 23, 2019
Summary
Heart rate variability (HRV), neuromuscular performance, and perceived recovery show different recovery timelines after intense resistance training (RT). Monitoring one metric cannot predict another
Area of Science:
- Exercise Physiology
- Sports Science
- Human Performance
Background:
- Intense resistance training (RT) significantly impacts physiological and perceptual recovery.
- Understanding recovery kinetics is crucial for optimizing training and performance.
Purpose of the Study:
- To quantify associations between heart rate variability (HRV), neuromuscular recovery, and perceptual recovery following intense RT.
- To determine the varying recovery timelines of these key physiological and perceptual markers.
Main Methods:
- Adult males with RT experience performed six sets to failure at 90% of 10-repetition maximum in key lifts.
- Neuromuscular performance (jump power, movement velocity) and perceptual scales (soreness, recovery) were assessed.
- Heart rate variability (HRV), specifically LnRMSSD, was measured pre- and post-training at various intervals.
Main Results:
- All measured parameters (HRV, neuromuscular, perceptual) worsened immediately post-RT.
- HRV (LnRMSSD) returned to baseline by 24 hours post-RT.
- Neuromuscular markers normalized by 48 hours, while perceptual measures remained suppressed.
- No significant associations were found between the changes in HRV, neuromuscular, and perceptual recovery variables.
Conclusions:
- Recovery timelines for HRV, neuromuscular function, and perceptual measures vary significantly after intense RT.
- Individual recovery status cannot be inferred from a single metric.
- Post-RT recovery assessment should be specific to the marker being evaluated.
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