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Acute psychophysiological responses during exercise while using resistive respiratory devices: A systematic review.
María E López-Pérez1, Salvador Romero-Arenas2, Manuel A Giráldez-García3
1Department of Physical Education, IES El Palmeral, Hermano Lázaro s/n, Vera, Almería 04620, Spain.
Physiology & Behavior
|September 26, 2022
Summary
Respiratory muscle training (RMT) using flow resistive devices during exercise appears to reduce performance, lactate, and ventilation. However, end-tidal partial pressure of carbon dioxide (PCO2) increases, suggesting altered physiological responses.
Area of Science:
- Exercise Physiology
- Sports Science
- Respiratory Medicine
Background:
- Respiratory muscle training (RMT) enhances respiratory muscle strength and endurance, positively impacting endurance sports performance.
- Optimizing RMT efficiency requires understanding acute physiological responses during exercise.
- Flow resistive devices are a common method for RMT.
Purpose of the Study:
- To systematically review the acute physiological responses to RMT using flow resistive devices during exercise.
- To identify how these responses could inform improved RMT protocols for athletes.
Main Methods:
- Systematic literature search across Medline, Science Direct, Web of Science, and Scopus databases following PRISMA guidelines.
- Assessment of methodological quality using the PEDro scale.
- Inclusion of 19 studies with a total of 212 participants.
Main Results:
- Flow resistive loading was the primary RMT method employed.
- Constant load exercise was the most frequent exercise modality.
- Observed effects included reduced performance, lower lactate (La-) levels, and decreased ventilation.
- An increase in end-tidal partial pressure of carbon dioxide (PCO2) was noted.
Conclusions:
- RMT with flow resistive devices during exercise may acutely decrease performance and ventilation.
- The observed increase in PCO2 warrants further investigation regarding its implications.
- Findings suggest potential for optimizing RMT protocols based on these physiological responses.
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