Abstract
To investigate the effects of 8-weeks of full versus split body resistance training (RT) on appetite and energy intake in non-obese untrained men. The participants were pair-matched based on their initial fat mass and then randomly allocated into one of two treatment groups: Full body (FB, n = 20), in which all muscle groups were trained in every session, or Split body (SB, n = 15), in which upper and lower muscle groups were trained alternated per session; both groups trained in non-consecutive days, three times per week with total number of sets performed equated between groups. Energy intake, body composition, and strength performance were evaluated at pre-training, and after 8-weeks of RT, as well as self-reported hunger, fullness, and desire to eat, that were assessed at fasted and feed states pre- and post-intervention. FB and SB resistance training increased fat-free mass (FFM) (p < 0.001); and FB induced greater maximal strength improvement (p = 0.027). At fasted state self-reported hunger increased, and fullness decreased, while in feed state desire to eat something fatty increased in both groups. Carbohydrate intake (p = 0.011) decreased in both groups. In conclusion, FB and SB training increased orexigenic drive (increasing hunger and decreasing fullness), however, total energy intake and fat mass did not change after 8-weeks of RT in non-obese untrained men.
Registered under Brazilian Registry of Clinical Trials no. RBR-3wkcvyw.
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Acknowledgements
Fabricio Eduardo Rossi would like to thank Conselho Nacional de Desenvolvimento Científico e Tecnológico-CNPq (Funding validity by March/2023 to March/2026) for their support. Valéria LG Panissa was supported by CAPES/PRINT (process number 88887.716953/2022-00 and 88887.839151/2023-00).
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Conceptualization, VLGP, JMC and FER; methodology, LKC, NLS, ASB, CAB, EMLB, RCM, PAM, PAQR, MMV, AKAB AND JPJS; FER performed the statistical analyses. Writing-review and editing, LKC, JMC, VLGP, NEZ, FER; All authors have read and agreed to the published version of the manuscript.
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Cardoso, L.K., Panissa, V.L.G., Cholewa, J.M. et al. Comparison of 8-weeks of full versus split body resistance training on appetite and energy intake in non-obese untrained men. Eur J Clin Nutr (2024). https://doi.org/10.1038/s41430-024-01432-w
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DOI: https://doi.org/10.1038/s41430-024-01432-w