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首页> 外文期刊>Scandinavian journal of medicine & science in sports. >Effects of fasted vs fed‐state exercise on performance and post‐exercise metabolism: A systematic review and meta‐analysis
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Effects of fasted vs fed‐state exercise on performance and post‐exercise metabolism: A systematic review and meta‐analysis

机译：禁食与粮食州锻炼对性能和运动后新陈代谢的影响：系统审查和荟萃分析

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摘要

The effects of nutrition on exercise metabolism and performance remain an important topic among sports scientists, clinical, and athletic populations. Recently, fasted exercise has garnered interest as a beneficial stimulus which induces superior metabolic adaptations to fed exercise in key peripheral tissues. Conversely, pre‐exercise feeding augments exercise performance compared with fasting conditions. Given these seemingly divergent effects on performance and metabolism, an appraisal of the literature is warranted. This review determined the effects of fasting vs pre‐exercise feeding on continuous aerobic and anaerobic or intermittent exercise performance, and post‐exercise metabolic adaptations. A search was performed using the MEDLINE and PubMed search engines. The literature search identified 46 studies meeting the relevant inclusion criteria. The Delphi list was used to assess study quality. A meta‐analysis and meta‐regression were performed where appropriate. Findings indicated that pre‐exercise feeding enhanced prolonged ( P ?=?.012), but not shorter duration aerobic exercise performance ( P ?=?.687). Fasted exercise increased post‐exercise circulating FFAs ( P ?=?.023) compared to fed exercise. It is evidenced that pre‐exercise feeding blunted signaling in skeletal muscle and adipose tissue implicated in regulating components of metabolism, including mitochondrial adaptation and substrate utilization. This review's findings support the hypothesis that the fasted and fed conditions can divergently influence exercise metabolism and performance. Pre‐exercise feeding bolsters prolonged aerobic performance, while seminal evidence highlights potential beneficial metabolic adaptations that fasted exercise may induce in peripheral tissues. However, further research is required to fully elucidate the acute and chronic physiological adaptations to fasted vs fed exercise.
机译：营养对运动代谢和性能的影响仍然是体育科学家，临床和运动人口之间的重要课题。最近，禁食锻炼已经获得了兴趣作为一种有益的刺激，诱导卓越的代谢适应在关键外周组织中喂养运动。相反，与禁食条件相比，锻炼前喂养增强效果。鉴于这些看似对性能和新陈代谢的影响，有必要对文献进行评估。该综述确定了禁食对连续有氧和厌氧或间歇运动性能以及运动后代谢适应的效果的影响。使用Medline和PubMed搜索引擎进行搜索。文献搜索确定了46项符合相关纳入标准的研究。 Delphi列表用于评估研究质量。在适当的情况下进行META分析和元回归。结果表明，预锻炼饲料增强延长（P？=〜012），但不持续的持续时间是一种好氧运动性能（P？= 687）。与美联储运动相比，禁食锻炼增加练习后循环FFA（p？=Δ.023）。显然，骨骼肌中的预锻炼前喂养信号和脂肪组织涉及调节代谢组分，包括线粒体适应和基材利用。此述评的调查结果支持假设禁食和美联储条件可以影响运动代谢和表现。预锻炼喂养螺栓延长有氧性能，而精美的证据突出了禁用锻炼可能诱导在外周组织中的潜在有益的代谢适应。然而，需要进一步的研究来充分阐明急性和慢性生理适应的速度与喂养喂养运动。

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