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Titolo:
Time-course effects of endurance training on fat oxidation in sedentary elderly people
Autore:
Morio, B; Montaurier, C; Ritz, P; Fellmann, N; Coudert, J; Beaufrere, B; Vermorel, M;
Indirizzi:
INRA, U Metabollsmes Energet & Lipid, F-63122 St Genes Champanelle, FranceINRA St Genes Champanelle France F-63122 22 St Genes Champanelle, France Ctr Rech Nutr Humaine Auvergne, Clermont Ferrand, France Ctr Rech Nutr Humaine Auvergne Clermont Ferrand France Ferrand, France Univ Auvergne, Lab Nutr Humaine, Clermont Ferrand, France Univ Auvergne Clermont Ferrand France Humaine, Clermont Ferrand, France Univ Auvergne, Lab Physiol Biol Sport, Clermont Ferrand, France Univ Auvergne Clermont Ferrand France l Sport, Clermont Ferrand, France
Titolo Testata:
INTERNATIONAL JOURNAL OF OBESITY
fascicolo: 7, volume: 23, anno: 1999,
pagine: 706 - 714
SICI:
0307-0565(199907)23:7<706:TEOETO>2.0.ZU;2-P
Fonte:
ISI
Lingua:
ENG
Soggetto:
ENERGY-EXPENDITURE; SKELETAL-MUSCLE; LIPID OXIDATION; ADIPOSE-TISSUE; ACID; EXERCISE; INSULIN; WOMEN; GLUCOSE; MEN;
Keywords:
progressive endurance training; whole body indirect calorimetry; fat oxidation; body composition;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Life Sciences
Citazioni:
41
Recensione:
Indirizzi per estratti:
Indirizzo: Vermorel, M INRA, U Metabollsmes Energet & Lipid, F-63122 St Genes Champanelle, France INRA St Genes Champanelle France F-63122 Champanelle, France
Citazione:
B. Morio et al., "Time-course effects of endurance training on fat oxidation in sedentary elderly people", INT J OBES, 23(7), 1999, pp. 706-714

Abstract

OBJECTIVE: To investigate alterations in whole body fat oxidation after 7 and 14 weeks of progressive endurance training in sedentary elderly subjects. DESIGN: Longitudinal, 14 weeks of progressive endurance training on a cycle ergometer (3 training sessions per week). Full sets of measurements were performed before, and after 7 and 14 weeks of training. SUBJECTS: 13 healthy sedentary subjects (5 men, 8 women) (age 62.8+/-2.3 y),MEASUREMENTS: 24h indirect calorimetric measurements under standardised conditions: light-activity programme, fixed food composition, neutral daily energy balance. Body composition (by isotope dilution and skinfold thicknesses). Maximal oxygen consumption. RESULTS: Loss of 0.7 kg fat mass in the first 7 weeks of training and a further 2.4 kg of fat in the second 7 weeks. There was a transient increase in sleeping fat oxidation after 7 weeks of training (+26.1%), associated with transient increase in daily fat oxidation (+/-11.9%), but fat oxidation then returned to baseline values in the second 7 weeks. There was a correlation between within-subject changes in sleeping fat oxidation after 7 weeks of training and variations in FFM (r=0.62 P=0.02) and maximal oxygen consumption (r=-0.56, P < 0.05). CONCLUSION: In sedentary elderly subjects, progressive endurance training was associated with a transient increase in sleeping fat oxidation and daily fat oxidation. In free-living conditions, possible changes in daily fat oxidation may have induced a negative fat balance, as judged by fat mass loss.

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Documento generato il 11/07/20 alle ore 17:06:39