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Postexercise hypotension and autonomic modulation response after full versus split body resistance exercise in
Marcelo Conrado de Freitas1, Ana Laura Ricci-Vitor2, Giovanni Henrique Quizzini1
1Skeletal Muscle Assessment Laboratory, School of Technology and Sciences, Department of Physical Education, São Paulo State University, Presidente Prudente, Brazil.
Full body resistance exercise significantly lowers systolic blood pressure more than upper body workouts. It also causes greater reductions in diastolic and mean blood pressure compared to lower body workouts.
Area of Science:
- Exercise Physiology
- Cardiovascular Regulation
- Sports Science
Background:
- Postexercise hypotension (PEH) is a phenomenon of reduced blood pressure following exercise.
- Autonomic modulation plays a key role in regulating cardiovascular responses to exercise.
- The impact of resistance exercise (RE) training protocols on PEH and autonomic function requires further investigation.
Purpose of the Study:
- To compare the effects of full body (FB) versus split body (upper/lower) resistance exercise on postexercise hypotension.
- To examine the influence of different resistance exercise protocols on autonomic modulation in trained men.
Main Methods:
- Sixteen recreationally trained males participated in three randomized resistance exercise trials: upper body (UB), lower body (LB), and full body (FB).
- Blood pressure and heart rate variability were measured at rest and at 10 and 30 minutes postexercise.
- Statistical analysis compared changes in systolic, diastolic, and mean blood pressure, and heart rate variability parameters between conditions.
Main Results:
- Full body exercise resulted in significantly lower systolic blood pressure compared to upper body exercise.
- Full body exercise induced greater reductions in diastolic and mean blood pressure compared to lower body exercise.
- No significant differences in heart rate variability were observed between exercise conditions, though patterns indicated increased parasympathetic activity and altered sympathovagal balance during recovery.
Conclusions:
- The extent of muscle mass engaged during resistance exercise influences postexercise hypotension.
- Full body resistance exercise elicits a more pronounced hypotensive response compared to split body routines.
- Autonomic modulation responses during recovery appear consistent across different resistance exercise protocols in trained individuals.
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