Appetite, food intake and gut hormone responses to intense aerobic exercise of different duration
| Autor: | Andrew K. Blannin, Adrian Holliday |
|---|---|
| Rok vydání: | 2017 |
| Předmět: |
Adult
Male medicine.medical_specialty Adolescent Endocrinology Diabetes and Metabolism media_common.quotation_subject Appetite 030209 endocrinology & metabolism Gastrointestinal Hormones Eating Young Adult 03 medical and health sciences 0302 clinical medicine Endocrinology Glucagon-Like Peptide 1 Internal medicine Humans Medicine Aerobic exercise Peptide YY Exercise Morning media_common Meal Cross-Over Studies business.industry 030229 sport sciences Crossover study Ghrelin Energy Intake Energy Metabolism business Hormone |
| Zdroj: | Journal of Endocrinology. 235:193-205 |
| ISSN: | 1479-6805 0022-0795 |
| DOI: | 10.1530/joe-16-0570 |
| Popis: | The purpose of the study is to investigate the effect of acute bouts of high-intensity aerobic exercise of differing durations on subjective appetite, food intake and appetite-associated hormones in endurance-trained males. Twelve endurance-trained males (age = 21 ± 2 years; BMI = 21.0 ± 1.6 kg/m2; VO2max = 61.6 ± 6.0 mL/kg/min) completed four trials, within a maximum 28 day period, in a counterbalanced order: resting (REST); 15 min exercise bout (15-min); 30 min exercise bout (30-min) and 45 min exercise bout (45-min). All exercise was completed on a cycle ergometer at an intensity of ~76% VO2max. Sixty minutes post exercise, participants consumed an ad libitum meal. Measures of subjective appetite and blood samples were obtained throughout the morning, with plasma analyzed for acylated ghrelin, total polypeptide tyrosine-tyrosine (PYY) and total glucagon-like peptide 1 (GLP-1) concentrations. The following results were obtained: Neither subjective appetite nor absolute food intake differed between trials. Relative energy intake (intake – expenditure) was significantly greater after REST (2641 ± 1616 kJ) compared with both 30-min (1039 ± 1520 kJ) and 45-min (260 ± 1731 kJ), and significantly greater after 15-min (2699 ± 1239 kJ) compared with 45-min (condition main effect, P P P = 0.011); the greatest, most enduring suppression, was observed in 45-min. PYY concentration was unchanged with exercise. In conclusion, high-intensity aerobic cycling lasting up to 45 min did not suppress subjective appetite or affect absolute food intake, but did reduce relative energy intake, in well-trained endurance athletes. Findings question the role of appetite hormones in regulating subjective appetite in the acute post-exercise period. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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