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Yoga improves immunosuppression after a prolonged intense exercise.
Nobuhiko Eda1,2, Hiroki Tabata2,3, Ryota Sone4
11Department of Fundamental Education, Dokkyo Medical University, Tochigi, Japan.
Physiology International
|March 4, 2025
Summary
Yoga aids recovery after intense exercise by boosting the cardiac autonomic nervous system and immune function. This practice helps maintain natural killer cell activity and enhances parasympathetic nerve activity for athletes.
Area of Science:
- Exercise Physiology
- Immunology
- Autonomic Nervous System
Background:
- Intense exercise can lead to temporary immunosuppression and autonomic nervous system imbalance.
- Understanding effective recovery strategies is crucial for athlete conditioning and performance.
Purpose of the Study:
- To investigate the effects of yoga on cardiac autonomic nervous system recovery and immunosuppression following strenuous physical activity.
- To assess yoga's potential as a recovery method for athletes.
Main Methods:
- A randomized crossover study involving seven healthy adult males performing 60 minutes of treadmill running.
- Participants underwent either 30 minutes of rest (CON) or 30 minutes of yoga (YOG) post-exercise.
- Measurements included natural killer (NK) cell activity, salivary secretory immunoglobulin A (SIgA), cortisol, testosterone, heart rate variability (RMSSD), mood, and muscle soreness.
Main Results:
- Yoga (YOG) prevented the significant decrease in NK cell activity observed after rest (CON).
- The decline in NK cell activity was significantly less pronounced in the YOG group compared to the CON group.
- Parasympathetic nerve activity, indicated by RMSSD, was higher immediately after yoga compared to rest.
- Testosterone levels showed a trend towards being higher after yoga.
Conclusions:
- Yoga effectively mitigates exercise-induced immunosuppression by enhancing parasympathetic nerve activity.
- Yoga demonstrates potential as a beneficial recovery strategy for athlete conditioning.
- The positive correlation between NK cell activity and RMSSD suggests a link between immune function and autonomic recovery through yoga.
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