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ORIGINAL ARTICLE  EPIDEMIOLOGY AND CLINICAL MEDICINE 

The Journal of Sports Medicine and Physical Fitness 2021 September;61(9):1281-9

DOI: 10.23736/S0022-4707.20.11648-7

Copyright © 2020 EDIZIONI MINERVA MEDICA

lingua: Inglese

Post-exercise hypotension effects in response to plyometric training of 7- to 9-year-old boys with overweight/obesity: a randomized controlled study

Carol GÓIS LEANDRO 1 , Raphael ARNAUT BRINCO 1, Gabriela GÓES NOBRE 2, Isabele GÓES NOBRE 2, Ladyodeyse C. SILVA-SANTIAGO 3, Bruno R. AIRES-DOS-SANTOS 2, Ravi MARINHO-DOS-SANTOS 2, Marcílio RODRIGUES-RIBEIRO 2, Marcos R. MARINHO-BARROS 2, Fernanda ALVES-MACEDO 4, Marcelus BRITO-ALMEIDA 2, Mário E. TCHAMO 5, João H. COSTA-SILVA 2, Marcos A. MOURA-DOS-SANTOS 3

1 Department of Nutrition, Federal University of Pernambuco, Recife, Brazil; 2 Department of Physical Education and Sports Science, Academic Center of Vitória (CAV), Federal University of Pernambuco, Vitória de Santo Antão, Brazil; 3 Superior School of Physical Education, University of Pernambuco, Recife, Brazil; 4 Department of Nursing, Academic Center of Vitória (CAV), Federal University of Pernambuco, Vitória de Santo Antão, Brazil; 5 Department of Physical Education, Pedagogical University of Maputo, Maputo, Mozambique



BACKGROUND: Physical activity plays an important role on children with obesity. This study evaluated the effects of plyometric training on the anthropometry, body composition, and the blood pressure (BP) and heart rate (HR) of boys with obesity.
METHODS: Boys aged 7 to 9 years old were divided in: non-trained (N.=12) and trained (N.=29). The plyometric training program consisted of jumps on nonconsecutive days for twelve weeks. Anthropometry and body composition, BP and HR were evaluated. BP, HR and rate-pressure product were recorded at rest and 2 minutes after the section. Two-way repeated factors ANOVA was used.
RESULTS: Trained group had a reduction in skinfolds and an increase in free fat mass (within and between-groups) and a large effect size for most anthropometric and body composition variables. Late systolic response was reduced from 122±1.1 (immediately post-exercise at the first week) to 112±1.0 at the end of plyometric training period. Diastolic reduction was seen two minutes after each session of exercise (from 68±1.1 to 62±1.2). HR was reduced in response to plyometric training (108 bpm to 97 bpm).
CONCLUSIONS: Our findings strengthen previous studies that suggest that intense exercise has significant adaptive effects on BP and HR.


KEY WORDS: Obesity; Child; Young adult; Blood pressure; Heart rate; Plyometric exercise

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