O exercício agudo modula as respostas induzidas pelo estresse mental em adultos jovens saudáveis e obesos
DOI:
https://doi.org/10.1590/1980-0037.2023v25e89526Palavras-chave:
excesso de peso, gordura corporal, Teste de StroopResumo
O objetivo deste estudo foi verificar se a obesidade e o exercício físico agudo podem influenciar a reatividade ao estresse mental. Foram avaliados 12 indivíduos eutróficos (E) e dez obesos (Ob) (31,82% mulheres), normotensos entre 18 e 40 anos. O teste de cor Stroop foi realizado em duas condições: 1) Linha de base e 2) 30 min após o término do exercício físico aeróbio. Os indivíduos realizaram 30 min de exercício físico (E: 3,38 e Ob: 2,99 km•h-1; p<0,05) entre 50-60% da frequência cardíaca de reserva (E 139±7 e Ob: 143±7 bpm). A reatividade ao estresse mental para pressão arterial sistólica - PAS (Δ2 min) e pressão arterial diastólica - PAD (Δ2 e Δ4 min) foi menor (p< 0,05) no grupo Ob comparado ao grupo E. A reatividade da PAS ao estresse mental foi menor (p< 0,05) pós-exercício em todos os momentos (Δ2 e Δ4 min), independente da obesidade, enquanto a reatividade da PAD ao estresse mental foi menor pós-exercício, apenas no E. A reatividade da PA ao estresse correlacionou-se negativamente com os indicadores de obesidade (r/Rho = – 0,42 a – 0,64), na condição basal, mas não pós-exercício físico. A obesidade embotou a reatividade da PA ao estresse mental em adultos jovens normotensos. O exercício aeróbico agudo de ientesidade moderada reduziu a reatividade da PAS ao estresse mental, independentemente da obesidade, enquanto reduziu a reatividade da PAD ao estresse mental, apenas no E. Em resumo, o exercício físico agudo pode ser um meio de prevenir alterações cardiovasculares.
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