Exercício intervalado de alta intensidade e pressão arterial ambulatorial de adolescentes obesos
DOI:
https://doi.org/10.12820/rbafs.23e0026Palabras clave:
Ejercicio, Monitoreo Ambulatorio de la Presión ArterialResumen
O objetivo deste estudo foi analisar o comportamento da pressão arterial ambulatorial de adolescentes obesos após uma sessão de exercício intervalado de alta intensidade (HIT) na esteira ergométrica. Trata-se de uma pesquisa com delineamento cross-over randomizado, realizada com nove adolescentes do sexo masculino de 15 a 18 anos de idade. Os voluntários realizaram dois protocolos experimentais, com intervalo mínimo de 48 horas: controle e HIT. O protocolo HIT foi constituído de cinco séries a 85 – 95% do VO2pico por um minuto, intercalados por três minutos de recuperação a 40 - 50% do VO2pico. Antes e após os protocolos, frequência cardíaca, pressão arterial sistólica (PAS), pressão arterial diastólica e pressão arterial média foram mensuradas na posição sentada. A medida ambulatorial da pressão arterial foi realizada nos dois protocolos por meio de um monitor automático da marca SpaceLabs 90207, programado para realizar medidas a cada 20 minutos, das 12:00 às 22:00 horas. Os efeitos dos protocolos experimentais nas respostas hemodinâmicas foram testados por meio da análise de variância para medidas repetidas, considerando-se os fatores (controle e HIT) e tempo (pré-sessão e pós-sessão). Os resultados apontaram diferença significativa entre as médias da PAS nos protocolos controle e HIT na primeira hora após o final do exercício (133,66 ± 7,56 vs 125,88 ± 7,20 mmHg, respectivamente; p = 0,005), indicando hipotensão pós-exercício induzida pelo HIT. O protocolo HIT empregado promoveu efeito hipotensor de moderada magnitude e curta duração sobre a PAS.
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Derechos de autor 2018 Waynne Ferreira de Faria, Rui Gonçalves Marques Elias, Antonio Stabelini Neto
Esta obra está bajo una licencia internacional Creative Commons Atribución 4.0.
Al enviar un manuscrito a la Revista Brasileira de Atividade Física & Saúde, los autores mantienen la titularidad de los derechos de autor sobre el artículo y autorizan a la Revista Brasileira de Atividade Física & Saúde a publicar este manuscrito bajo la Licencia Creative Commons Atribución 4.0 e identificarla como el vehículo de su publicación original.
