Exercício intervalado de alta intensidade e pressão arterial ambulatorial de adolescentes obesos

Authors

DOI:

https://doi.org/10.12820/rbafs.23e0026

Keywords:

Exercise, Ambulatory Blood Pressure Monitoring, Adolescent Health

Abstract

The objective of this study was to analyze the behavior of ambulatory blood pressure of obese adolescents after a session of high intensity interval exercise (HIT) on treadmill. This was a randomized cross-over study with nine male adolescents between 15 and 18 years of age. The volunteers performed two experimental protocols with a minimum interval of 48 hours: control and HIT. The HIT protocol consisted of five series at 85 – 95% of VO2peak for one minute, interspersed by three minutes of recovery at 40 – 50% of VO2peak. Before and after the protocols, heart rate, systolic blood pressure (SBP), diastolic blood pressure and mean arterial pressure were obtained in the seated position. Ambulatory blood pressure measurement was performed in both protocols through an automatic monitor of the mark SpaceLabs 90207, programmed to perform measure- ments every 20 minutes from 12:00 to 22:00 hours. e e ects of the experimental protocols on hemodynamic responses were tested through analysis of variance for repeated measures, considering the factors (control and HIT) and time (pre-session and post-session). The results showed a significant difference between the means of SBP in the control and HIT protocols in the rst hour after the end of the exercise (133.66 ± 7.56 vs 125.88 ± 7.20 mmHg, respectively, p = 0.005), indicating post-exercise hypotension induced by HIT. The HIT protocol employed promoted a moderate magnitude and short duration hypotensive e ect on SBP.

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References

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Published

2018-10-16

How to Cite

1.
Faria WF de, Elias RGM, Neto AS. Exercício intervalado de alta intensidade e pressão arterial ambulatorial de adolescentes obesos. Rev. Bras. Ativ. Fís. Saúde [Internet]. 2018 Oct. 16 [cited 2024 May 18];23:1-7. Available from: https://rbafs.org.br/RBAFS/article/view/13243

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Original Articles