Resumo
O objetivo deste artigo de revisão é avaliar o impacto da realização de exercícios aeróbicos no estado de jejum. Alimentado durante a noite, no contexto de otimização dos benefícios à saúde da atividade física regular. A realização de um único exercício aeróbico no estado de jejum v. Durante a noite pode modular de maneira diferencial os aspectos do metabolismo e dos comportamentos do balanço energético. Isso inclui, entre outros, aumento da utilização de gordura como fonte de combustível, perfis lipídicos plasmáticos aprimorados, ativação aprimorada de vias de sinalização molecular relacionadas ao metabolismo do combustível no músculo esquelético e no tecido adiposo e reduções na ingestão de energia ao longo de uma dia. O impacto de uma única sessão de exercício de jejum v. Durante o dia em jejum no controle glicêmico de curto prazo é variável, sendo afetado pelas condições experimentais, o período de medição e possivelmente a população estudada. A resposta de saúde à realização de exercícios de jejum noturno versus estado alimentado por um período sustentado na forma de treinamento físico é menos clara, devido a um número limitado de estudos. A partir da literatura existente, há evidências de que o exercício em jejum noturno em homens jovens e saudáveis pode melhorar as adaptações induzidas pelo treinamento no perfil metabólico do músculo esquelético e mitigar as consequências negativas do consumo excessivo de energia a curto prazo na tolerância à glicose em comparação com o exercício em o estado alimentado. No entanto, mais estudos de longo prazo são necessários, particularmente em populações em risco ou vivendo com doença cardio-metabólica, para elucidar se o status de alimentação antes do exercício modula os comportamentos de metabolismo ou balanço energético a uma extensão que possa impactar os benefícios de saúde ou terapêuticos. exercício. (Google Trad)
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