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A Real-World High-Intensity Interval Training Protocol for Cardiorespiratory Fitness Improvement
Published on: February 22, 2022
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Active Recovery After High-Intensity Interval-Training Does Not Attenuate Training Adaptation.
Thimo Wiewelhove1, Christoph Schneider1, Alina Schmidt1
1Faculty of Sport Science, Ruhr-University Bochum, Bochum, Germany.
Frontiers in Physiology
|May 4, 2018
Summary
Active recovery (ACT) after high-intensity interval training (HIIT) did not hinder performance adaptations. However, ACT significantly improved the anaerobic lactate threshold (AT) compared to passive recovery (PAS).
Area of Science:
- Exercise Physiology
- Sports Science
- Training Adaptations
Background:
- High-intensity interval training (HIIT) induces significant physiological stress and elevated blood lactate levels.
- Active recovery (ACT) may enhance lactate clearance post-exercise, potentially impacting endurance adaptations compared to passive recovery (PAS).
- The influence of regular ACT on adaptations during a HIIT mesocycle requires further investigation.
Purpose of the Study:
- To investigate the effect of regular active recovery (ACT) on training adaptations during a 4-week high-intensity interval training (HIIT) mesocycle.
- To compare the impact of ACT versus passive recovery (PAS) on key performance indicators including maximal oxygen uptake (O2max), maximal running velocity (vmax), and anaerobic lactate threshold (AT).
Main Methods:
- Twenty-six well-trained male athletes completed a 4-week running-based HIIT program.
- Participants were randomized into either an active recovery (ACT) group (15 min moderate jogging) or a passive recovery (PAS) group (rest) after each HIIT session.
- Performance tests including O2max, vmax, AT, and repeated sprint ability (RSA) were conducted pre- and post-intervention.
Main Results:
- The HIIT mesocycle significantly improved vmax, O2max, and AT in the overall group.
- No significant differences in changes to O2max or RSA were observed between ACT and PAS groups.
- The ACT group demonstrated a significantly greater improvement in anaerobic lactate threshold (AT) compared to the PAS group.
Conclusions:
- Regular active recovery (ACT) does not attenuate training adaptations during a high-intensity interval training (HIIT) mesocycle.
- ACT may offer specific benefits, such as enhanced anaerobic lactate threshold (AT) improvements, potentially due to sustained low-intensity activity.
- These findings suggest ACT can be a valuable recovery strategy complementing HIIT without compromising overall training adaptations.
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