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Appl Physiol Nutr Metab. 2016 Oct;41(10):1083-1091. doi: 10.1139/apnm-2016-0172. Epub 2016 Jul 7.

Effect of exercise intensity and mode on acute appetite control in men and women.

Author information

1
a Department of Sport, School of Physical Education and Sport, University of São Paulo, São Paulo, Brazil.
2
b Department of Human Movement Pedagogy, School of Physical Education and Sport, University of São Paulo, São Paulo, Brazil.
3
c Exercise and Immunometabolism Research Group, Department of Physical Education, Paulista State University, UNESP, Presidente Prudente, São Paulo, Brazil.

Abstract

The aim of this study was to compare the effects of exercise intensity on appetite control: relative energy intake (energy intake minus the energy expenditure of exercise; REI), hunger scores, and appetite-regulating hormones in men and women. Eleven men and 9 women were submitted to 4 experimental sessions: high-intensity intermittent all-out exercise (HIIE-A) for 60 × 8 s interspersed by 12 s of passive recovery; high-intensity intermittent exercise (HIIE) at 100% of maximal load attained in incremental test; steady-state exercise at 60% of maximal load, matched by work done; and a control session. Exercise was performed 1.5 h after a standardized breakfast, and an ad libitum lunch was offered 4 h after breakfast. Blood concentration of insulin, cortisol, acylated ghrelin, peptideYY3-36, glucose, and hunger scores were measured when fasting, and at 1.5, 2, 3.25, and 4 h of experiment. REI was lower in all exercises than in the control, without differences between exercises and sex showing no compensation in energy intake because of any exercise; the hunger scores were lower only in the exercises performed at higher intensity (HIIE and HIIE-A) compared with the control. The area under the curve of acylated ghrelin was lower in the HIIE-A when compared with the control. PeptideYY3-36 was higher in men than women and cortisol higher in women than men independently of the condition. Although high-intensity exercises promoted a little more pronounced effects in the direction of suppressing the appetite, no differences were observed in REI, demonstrating that these modifications were not sufficient to affect energy intake.

KEYWORDS:

appetite-regulating hormones; apport énergétique; energy intake; exercice intermittent d’intensité élevée; faim; high-intensity intermittent exercise; hormones de l’appétit; hunger; sex; sexe

PMID:
27704908
DOI:
10.1139/apnm-2016-0172

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