Cardiovascular responses during resistance exercise after an aerobic session

Thaliane Mayara Pessôa Dos Prazeres, Marilia De Almeida Correia, Gabriel Grizzo Cucato, Crivaldo Cardoso Gomes, Raphael Mendes Ritti-Dias

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

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.

Original languageEnglish
Pages (from-to)329-335
Number of pages7
JournalBrazilian Journal of Physical Therapy
Volume21
Issue number5
Early online date12 Jul 2017
DOIs
Publication statusPublished - 1 Sep 2017
Externally publishedYes

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