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https://ir.cnu.edu.tw/handle/310902800/27939
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| 標題: | Temporal Relationship Between Insulin Sensitivity and the Pubertal Decline in Physical Activity in Peripubertal Hispanic and African American Females |
| 作者: | Spruijt-Metz, Donna
Belcher, Britni R.
Hsu, Ya-Wen
McClain, Arianna D.
Chou, Chih-Ping
Nguyen-Rodriguez, Selena
Weigensberg, Marc J.
Goran, Michael I. |
| 貢獻者: | 醫務管理系 |
| 關鍵字: | Age-Related Decline
Metabolic Syndrome
United-States
Energy Homeostasis
Youth
Resistance
Children
Glucose
Accelerometer
Responsivity |
| 日期: | 2013-11 |
| 上傳時間: | 2014-05-26 10:49:50 (UTC+8) |
| 出版者: | Amer Diabetes Assoc |
| 摘要: | OBJECTIVELittle attention has been paid to possible intrinsic biological mechanisms for the decline in physical activity that occurs during puberty. This longitudinal observational study examined the association between baseline insulin sensitivity (SI) and declines in physical activity and increases in sedentary behavior in peripubertal minority females over a year.RESEARCH DESIGN AND METHODSParticipants were Hispanic and African American girls (n = 55; 76% Hispanic; mean age 9.4 years; 36% obese). SI and other insulin indices were measured at baseline using the frequently sampled intravenous glucose tolerance test. Physical activity was measured on a quarterly basis by accelerometry and self-report.RESULTSPhysical activity declined by 25% and time spent in sedentary behaviors increased by approximate to 13% over 1 year. Lower baseline SI predicted the decline in physical activity measured by accelerometry, whereas higher baseline acute insulin response to glucose predicted the decline in physical activity measured by self-report. Time spent in sedentary behavior increased by similar to 13% over 1 year, and this was predicted by lower baseline SI. All models controlled for adiposity, age, pubertal stage, and ethnicity.CONCLUSIONSWhen evaluated using a longitudinal design with strong outcome measures, this study suggests that lower baseline SI predicts a greater decline in physical activity in peripubertal minority females. |
| 關聯: | Diabetes Care, v.36 n.11 pp.3739-3745 |
| 顯示於類別: | [醫務管理系(所)] 期刊論文
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