Cardiovascular responses during resistance exercise after an aerobic session

Prazeres, Thaliane Mayara Pessôa Dos, Correia, Marilia De Almeida, Cucato, Gabriel, Gomes, Crivaldo Cardoso and Ritti-Dias, Raphael Mendes (2017) Cardiovascular responses during resistance exercise after an aerobic session. Brazilian Journal of Physical Therapy, 21 (5). pp. 329-335. ISSN 1413-3555

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OBJECTIVE: To analyze the influence of previous aerobic exercise on cardiovascular responses during resistance exercise.

METHODS: This is a crossover observational study. The sample included 19 normotensive men aged between 19 and 39 years. Subjects performed two experimental sessions in random order: resistance exercise (R: three sets of knee extension exercises with 40% of one repetition maximum) and aerobic exercise+resistance exercise (A+R: 30min of aerobic exercise followed by R protocol). In both sessions, blood pressure (BP) and heart rate were monitored beat-by-beat by finger photoplethysmography.

RESULTS: After aerobic exercise in the A+R session, there was a maintenance of systolic BP -2 (95% CI: -6; 2) mmHg (P=0.35), diastolic 1 (95% CI: -2; 5) mmHg (P=0.40) and mean BP 0 (95% CI: -4; 4) mmHg (P=0.91) and an increase in heart rate 11 (95% CI: 7; 16)bpm (P<0.001). Diastolic and mean BP increased and peak heart rate was higher during resistance exercise in the A+R session compared to the R session. Differences between sessions: diastolic BP 7 (95% CI: 2; 12) mmHg (P=0.03); mean BP 8 (95% CI: 2; 13) mmHg (P=0.05); and peak heart rate 18 (95% CI: 13; 23)bpm (P<0.001). The increases in systolic BP during resistance exercise were similar between sessions 16 (95% CI: 6; 26) mmHg (P=0.43).

CONCLUSION: Aerobic exercise before resistance exercise increased diastolic and mean BP and heart rate. However, due to the sample size of 19 individuals, the results must be interpreted with caution.

Item Type: Article
Uncontrolled Keywords: Physical therapy, Aerobic exercise, Resistance exercise, Blood pressure, Heart rate
Subjects: A300 Clinical Medicine
A900 Others in Medicine and Dentistry
B300 Complementary Medicine
B900 Others in Subjects allied to Medicine
C600 Sports Science
Department: Faculties > Health and Life Sciences > Sport, Exercise and Rehabilitation
Depositing User: Elena Carlaw
Date Deposited: 21 Nov 2019 17:21
Last Modified: 21 Nov 2019 17:21

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