Impact to short-term high intensity intermittent training on different storages of body fat, leptin and soluble leptin receptor levels in physically active non-obese men: A pilot investigation

Autor(es)

Caldeira, Renan Santos ^[1] ; Goncalves Panissa, Valeria Leme ^[2] ; Inoue, Daniela Sayuri ^[1] ; Campos, Eduardo Zapaterra ^[3] ; Monteiro, Paula Alves ^[1] ; Giglio, Bruna de Melo ^[4] ; Pimentel, Gustavo Duarte ^[4] ; Hofmann, Peter ^[5] ; Lira, Fabio Santos ^[1]

Afiliação do(s) autor(es)

^[1] Univ Estadual Paulista, UNESP, Dept Phys Educ, Exercise & Immunometab Res Grp, Sch Technol & Sci, Sao Paulo - Brazil

^[2] Univ Sao Paulo, Sch Phys Educ & Sport, Dept Sport, Sao Paulo - Brazil

^[3] Univ Fed Pernambuco, Dept Phys Educ, Recife, PE - Brazil

^[4] Fed Univ Goias UFG, Clin & Sports Nutr Res Lab Labince, Nutr Fac FANUT, Goiania, Go - Brazil

^[5] Graz Univ, Inst Sports Sci, Exercise Physiol Training & Training Therapy Res, Graz - Austria

• Tipo de documento: Artigo Científico
• Fonte: CLINICAL NUTRITION ESPEN; v. 28, p. 186-192, DEC 2018.
• Citações Web of Science: 1

Resumo

Background \& aims: Studies have postulated High Intensity Intermittent Training (HIIT) as a superior strategy to reduce body fat. The purpose of this study was to compare the effects HIIT and steady-state training (SST) on body composition, leptin, soluble leptin receptor (sOB-R) levels, and hunger perception in physically active non-obese men. Methods: Twenty men performed five weeks of HIIT (5 km - 1 min running at 100% speed correspondent to VeO(2peak) - v VeO(2peak) - interspersed with 1-min passive recovery; n = 10) or SST (5 km at 70% of vVeO(2peak) continuously; n = 10) three times a week. Body composition, and hunger perception were assessed at pre- and post-training and were compared by a two-way analysis (group and training period) with repeated measures in the second factor. A fasting time-course (baseline, 24 h, and 48 h after an experimental session of exercise) of leptin and sOB-R levels were measured at pre-and post-five weeks of training and assessed by a three-way analysis (group, period and time of measurement) with repeated measures in the second and third factors. Results: There was no effect on body composition and hunger perception. Leptin was reduced in both groups, while sOB-R was increased post-five weeks of training in HIIT but not in the SST. Conclusions: Although both training groups exerted alterations in leptin levels, only HIIT was able increased sOB-R levels, this suggest a superior impact on central responses in physically active non-obese men. (c) 2018 European Society for Clinical Nutrition and Metabolism. Published by Elsevier Ltd. All rights reserved. (AU)

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