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Cardiovascular responses during resistance exercise after an aerobic session
Thaliane Mayara Pessôa Dos Prazeres1, Marilia De Almeida Correia1, Gabriel Grizzo Cucato2
1Programa Associado de Pós-graduação em Educação Física, Universidade de Pernambuco (UPE), Recife, PE, Brazil.
Brazilian Journal of Physical Therapy
|July 25, 2017
Summary
Performing aerobic exercise before resistance exercise significantly increases diastolic and mean blood pressure (BP) and heart rate. However, these findings in healthy men should be interpreted cautiously due to the small sample size.
Area of Science:
- Exercise Physiology
- Cardiovascular Health
- Sports Science
Background:
- Understanding the cardiovascular demands of combined exercise protocols is crucial for optimizing training strategies.
- Previous research has explored the acute effects of resistance exercise on blood pressure and heart rate, but the influence of preceding aerobic activity requires further investigation.
Purpose of the Study:
- To investigate how prior aerobic exercise impacts cardiovascular responses during subsequent resistance exercise.
- To compare blood pressure and heart rate changes during resistance exercise with and without a preceding aerobic session.
Main Methods:
- A crossover observational study involving 19 healthy men (aged 19-39).
- Participants completed two sessions in random order: resistance exercise (R) and aerobic exercise followed by resistance exercise (A+R).
- Beat-by-beat blood pressure and heart rate were continuously monitored using finger photoplethysmography.
Main Results:
- In the A+R session, aerobic exercise maintained systolic, diastolic, and mean blood pressure while increasing heart rate.
- Resistance exercise in the A+R session resulted in significantly higher diastolic blood pressure (7 mmHg increase) and mean blood pressure (8 mmHg increase) compared to the R session alone.
- Peak heart rate was also significantly elevated during resistance exercise in the A+R session (18 bpm increase).
Conclusions:
- Preceding aerobic exercise amplifies the cardiovascular stress during subsequent resistance exercise, notably increasing diastolic and mean blood pressure and heart rate.
- The observed increases in cardiovascular responses warrant consideration when designing concurrent exercise programs.
- Given the small sample size, these findings should be interpreted with caution and may require validation in larger cohorts.
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