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Titolo:
Moderate-intensity physical activity and fasting insulin levels in women -The cross-cultural activity participation study
Autore:
Irwin, ML; Mayer-Davis, EJ; Addy, CL; Pate, RR; Durstine, JL; Stolarczyk, LM; Ainsworth, BE;
Indirizzi:
Univ S Carolina, Sch Publ Hlth, Dept Exercise Sci, Columbia, SC 29208 USA Univ S Carolina Columbia SC USA 29208 xercise Sci, Columbia, SC 29208 USA Univ S Carolina, Sch Publ Hlth, Dept Epidemiol & Biostat, Columbia, SC 29208 USA Univ S Carolina Columbia SC USA 29208 l & Biostat, Columbia, SC 29208 USA Univ New Mexico, Ctr Exercise & Appl Human Physiol, Albuquerque, NM 87131 USA Univ New Mexico Albuquerque NM USA 87131 ysiol, Albuquerque, NM 87131 USA
Titolo Testata:
DIABETES CARE
fascicolo: 4, volume: 23, anno: 2000,
pagine: 449 - 454
SICI:
0149-5992(200004)23:4<449:MPAAFI>2.0.ZU;2-G
Fonte:
ISI
Lingua:
ENG
Soggetto:
DEPENDENT DIABETES-MELLITUS; HEALTH; RESISTANCE; MORTALITY; INDIANS; GLUCOSE; ADULTS; OLDER;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Life Sciences
Citazioni:
25
Recensione:
Indirizzi per estratti:
Indirizzo: Irwin, ML Fred Hutchinson Canc Res Ctr, 1100 Fairview Ave N,MP-702, Seattle, WA 98109 USA Fred Hutchinson Canc Res Ctr 1100 Fairview Ave N,MP-702 Seattle WA USA 98109
Citazione:
M.L. Irwin et al., "Moderate-intensity physical activity and fasting insulin levels in women -The cross-cultural activity participation study", DIABET CARE, 23(4), 2000, pp. 449-454

Abstract

OBJECTIVE - The purpose of this study was to determine the association between moderate-intensity physical activity (PA) and fasting insulin levels among African-American (n = 47), Native American (n = 46), and Caucasian women (n = 49), aged 40-83 years, enrolled in the Cross-Cultural Activity Participation Study. Associations by race/ethnicity, levels of central obesity,and cardiorespiratory fitness were also examined. RESEARCH DESIGN AND METHODS - Physical activity scores were obtained from detailed PA records that included all PA performed during two consecutive 4-day periods scheduled 1 month apart. Using MET intensity (the associated metabolic rate for a specific activity divided by a standard resting metabolic rate), PA was expressed as MET-min (the product of the minutes for each activity times the MET intensity level) per day of energy expended in moderate (3-6 METs) and moderate/vigorous (greater than or equal to 3 METs) PA. Fasting insulin levels were determined by radioimmunoassay. Data were analyzed by multiple linear regression analysis. RESULTS - After adjusting for race/ethnicity, age, educational attainment,and site, an increase of 30 min of moderate-intensity PA was associated with a 6.6% lower fasting insulin level (P < 0.05). The association was similar among races/ethnicities, centrally lean and centrally obese women, and women with low and high cardiorespiratory fitness levels. CONCLUSIONS - These findings lend support to the 1995 Centers for Disease Control and Prevention and American College of Sports Medicine recommendations for an accumulation of 30 min/day in moderate-intensity PA. They also contribute to the growing literature suggesting that moderate amounts of PA have a significant role in reducing the burden of hyperinsulinemia and diabetes among ethnic populations at highest risk for these conditions.

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Documento generato il 28/11/20 alle ore 09:42:34