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Titolo:
Impact of high-intensity exercise on energy expenditure, lipid oxidation and body fatness
Autore:
Yoshioka, M; Doucet, E; St-Pierre, S; Almeras, N; Richard, D; Labrie, A; Despres, JP; Bouchard, C; Tremblay, A;
Indirizzi:
Univ Laval, Div Kinesiol, Phys Act Sci Lab, St Foy, PQ G1K 7P4, Canada Univ Laval St Foy PQ Canada G1K 7P4 t Sci Lab, St Foy, PQ G1K 7P4, Canada Univ Laval, Dept Physiol & Anat, St Foy, PQ G1K 7P4, Canada Univ Laval StFoy PQ Canada G1K 7P4 ol & Anat, St Foy, PQ G1K 7P4, Canada Univ Laval, Dept Food Sci & Nutr, St Foy, PQ G1K 7P4, Canada Univ Laval St Foy PQ Canada G1K 7P4 ci & Nutr, St Foy, PQ G1K 7P4, Canada Louisiana State Univ, Pennington Biomed Res Ctr, Baton Rouge, LA 70808 USALouisiana State Univ Baton Rouge LA USA 70808 , Baton Rouge, LA 70808 USA
Titolo Testata:
INTERNATIONAL JOURNAL OF OBESITY
fascicolo: 3, volume: 25, anno: 2001,
pagine: 332 - 339
SICI:
0307-0565(200103)25:3<332:IOHEOE>2.0.ZU;2-9
Fonte:
ISI
Lingua:
ENG
Soggetto:
FREE FATTY-ACID; PHYSICAL-ACTIVITY; ELDERLY PERSONS; METABOLIC-RATE; WEIGHT-LOSS; DURATION; CONSUMPTION; INDIVIDUALS; BALANCE; DIET;
Keywords:
high-intensity exercise; energy and lipid balance; propranolol;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Life Sciences
Citazioni:
42
Recensione:
Indirizzi per estratti:
Indirizzo: Tremblay, A Univ Laval, Div Kinesiol, Phys Act Sci Lab, St Foy, PQ G1K 7P4, Canada Univ Laval St Foy PQ Canada G1K 7P4 t Foy, PQ G1K 7P4, Canada
Citazione:
M. Yoshioka et al., "Impact of high-intensity exercise on energy expenditure, lipid oxidation and body fatness", INT J OBES, 25(3), 2001, pp. 332-339

Abstract

OBJECTIVE: Two studies were conducted to assess the potential of an increase in exercise intensity to alter energy and lipid metabolism and body fatness under conditions mimicking real life. METHODS: Study 1 was based on the comparison of adiposity markers obtainedin 352 male healthy adults who participated in the Quebec Family Study whoeither regularly participated in high-intensity physical activities or didnot. Study 2 was designed to determine the effects of high-intensity exercise on post-exercise post-prandial energy and lipid metabolism as well as the contribution of beta -adrenergic stimulation to such differences under areal-life setting. RESULTS: Results from Study 1 showed that men who regularly take part in intense physical activities display lower fat percentage and subcutaneous adiposity than men who never perform such activities, and this was true even if the latter group reported a lower energy intake (917 kJ/day, P < 0.05). In Study 2, the high-intensity exercise stimulus produced a greater postexercise post-prandial oxygen consumption as well as fat oxidation than the resting session, an effect which disappeared with the addition of propranolol. In addition, the increase in post-prandial oxygen consumption observed after the high-intensity exercise session was also significantly greater thanthat promoted by the low-intensity exercise session. CONCLUSION: These results suggest that high-intensity exercise favors a lesser body fat deposition which might be related to an increase in post-exercise energy metabolism that is mediated by <beta>-adrenergic stimulation.

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Documento generato il 11/07/20 alle ore 21:10:59