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Differences in exercise-induced blood pressure changes between young trained and untrained individuals
Kenji Nakamura1, Takeshi Fujiwara2, Satoshi Hoshide2
1Department of Healthcare Informatics, Faculty of Health and Welfare, Takasaki University of Health and Welfare, Takasaki, Japan.
Young trained individuals exhibit reduced short-term blood pressure (BP) variability after exercise compared to untrained individuals. Regular exercise also correlates with higher left ventricular mass index (LVMI) in these young adults.
Area of Science:
- Exercise Physiology
- Cardiovascular Health
- Sports Medicine
Background:
- Limited research exists on short-term blood pressure (BP) changes following daily exercise loads in young, trained individuals.
- Understanding these BP dynamics is crucial for assessing cardiovascular adaptation to exercise.
Purpose of the Study:
- To investigate and compare short-term BP responses to exercise load between trained and untrained young individuals.
- To examine the relationship between exercise-induced BP changes and left ventricular mass index (LVMI).
Main Methods:
- Recruited 25 healthy trained and 26 healthy untrained young adults.
- Measured BP post-Master two-step test; 42 underwent echocardiography for LVMI assessment.
- Analyzed systolic BP (SBP) levels and recovery patterns at 1, 2, and 3 minutes post-exercise.
Main Results:
- Trained individuals demonstrated significantly lower peak SBP (156.4 vs. 183.7 mmHg) and faster SBP recovery post-exercise.
- Trained individuals exhibited suppressed SBP increase immediately after exercise compared to untrained individuals.
- Trained individuals showed significantly higher LVMI (129.4 vs. 101.6 g/m²) compared to untrained individuals.
Conclusions:
- Young trained individuals display attenuated short-term BP variability and enhanced BP recovery following acute exercise.
- Higher LVMI in trained individuals suggests cardiac adaptation to regular exercise loads.
- Findings provide insights into cardiovascular adaptations and hypertrophy in response to exercise training.
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