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2020-03-27

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cc-by (c) Capó, Xavier et al., 2020
Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/174527

Calorie restriction improves physical performance and modulates the antioxidant and inflammatory responses to acute exercise

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Recurs relacionat

https://doi.org/10.3390/nu12040930

Resum

Our aim was to characterize the effects of calorie restriction on the anthropometric characteristics and physical performance of sportsmen and to evaluate the effects of calorie restriction and acute exercise on mitochondria energetics, oxidative stress, and inflammation. Twenty volunteer taekwondo practitioners undertook a calorie restriction of 30-40% on three alternate days a week for one month. Eleven volunteer sportsmen participated as controls. Both groups performed an energy effciency test to evaluate physical performance, and samples were taken before and after exercise. The total weight of participants significantly decreased (5.9%) after calorie restriction, while the effciency of work and the contributions of fat to obtain energy were enhanced by calorie restriction. No significant differences induced by acute exercise were observed in individual non-esterified fatty acid percentage or oxidative stress markers. Calorie restriction downregulated the basal gene expression of nitric oxide synthase, antioxidant enzymes, mitochondrial uncoupling proteins, and repairing stress proteins, but it enhanced the expression of sirtuins in peripheral blood mononuclear cells. In conclusion, one month of calorie restriction decreases body weight and increases physical performance, enhancing energy effciency, moderating the antioxidant and inflammatory basal gene expression, and influencing its response to acute exercise.

Matèries

Exercici, Inflamació, Dietes d'aprimament, Antioxidants

Matèries (anglès)

Exercise, Inflammation, Reducing diests, Antioxidants

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Col·leccions

Articles publicats en revistes (Bioquímica i Biomedicina Molecular)

Citació

CAPÓ, Xavier, et al. Calorie restriction improves physical performance and modulates the antioxidant and inflammatory responses to acute exercise. Nutrients. 2020. Vol. 12(4), num. 930. ISSN 2072-6643. [consulted: 22 of May of 2026]. Available at: https://hdl.handle.net/2445/174527

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