دورية أكاديمية
أعرض في EDS

Breaking Sitting Time with Physical Activity Increases Energy Expenditure but Does Not Alter Postprandial Metabolism in Girls.

التفاصيل البيبلوغرافية
العنوان: Breaking Sitting Time with Physical Activity Increases Energy Expenditure but Does Not Alter Postprandial Metabolism in Girls.
المؤلفون: Smallcombe JW, Biddle GJH; School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough, UNITED KINGDOM., Slater T; School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough, UNITED KINGDOM., Thackray AE, Dunstan DW, Barrett LA; School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough, UNITED KINGDOM., Tolfrey K; School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough, UNITED KINGDOM.
المصدر: Medicine and science in sports and exercise [Med Sci Sports Exerc] 2022 Nov 01; Vol. 54 (11), pp. 1850-1860. Date of Electronic Publication: 2022 Jun 17.
نوع المنشور: Journal Article; Research Support, Non-U.S. Gov't
اللغة: English
بيانات الدورية: Publisher: Lippincott Williams & Wilkins Country of Publication: United States NLM ID: 8005433 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1530-0315 (Electronic) Linking ISSN: 01959131 NLM ISO Abbreviation: Med Sci Sports Exerc Subsets: MEDLINE
أسماء مطبوعة: Publication: Hagerstown, Md : Lippincott Williams & Wilkins
Original Publication: Madison, Wis., American College of Sports Medicine.
مواضيع طبية MeSH: Energy Metabolism*/physiology , Postprandial Period*/physiology, Adolescent ; Female ; Humans ; Blood Glucose/metabolism ; Cross-Over Studies ; Insulin ; Triglycerides ; Walking ; Child ; Sedentary Behavior
مستخلص: Purpose: Young people spend a substantial proportion of their time at school sedentary; therefore, this setting represents an important target for interventions aimed at displacing sedentary time with physical activity. This study aimed to examine the postprandial metabolic effects of breaking sedentary time by accumulating walking and repeated bouts of nonambulatory standing during simulated school days in inactive adolescent girls.
Methods: Seventeen girls (mean ± SD = 12.8 ± 0.4 yr) completed two 3-d experimental conditions. On days 1 and 2 of the standing + walking (STD-WLK) experimental trial, participants interrupted sedentary time by completing 4 × 10 min bouts of self-paced walking and accumulated 18 × 5 min standing bouts during each simulated school day. On day 3 of STD-WLK, participants attended school as normal with no additional physical activity or standing prescribed. On all 3 d of the control condition (CON), participants attended school as normal with no physical activity intervention. On days 2 and 3 of both STD-WLK and CON, a baseline capillary blood sample was provided to determine fasting [TAG] and [glucose]. Participants then consumed a standardized breakfast (0 h) and lunch (4.7 h), and blood samples were provided postprandially at 2.7, 5.3, and 7.3 h for [TAG] and [glucose].
Results: Energy expenditure was 28% (95% confidence interval = 8% to 52%) higher during school hours on day 1 and day 2 during STD-WLK compared with CON (2171 vs 1693 kJ; effect size = 0.89, P = 0.008). However, no reduction of fasting or postprandial [TAG] or [glucose] was observed on day 2 or day 3 ( P ≥ 0.245).
Conclusions: Two consecutive days of breaking prolonged sitting with self-paced walking and intermittent standing had no meaningful effect on postprandial metabolism in adolescent girls.
(Copyright © 2022 by the American College of Sports Medicine.)
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المشرفين على المادة: 0 (Blood Glucose)
0 (Insulin)
0 (Triglycerides)
تواريخ الأحداث: Date Created: 20220617 Date Completed: 20240202 Latest Revision: 20240202
رمز التحديث: 20240202
DOI: 10.1249/MSS.0000000000002979
PMID: 35714076
قاعدة البيانات: MEDLINE
الوصف
تدمد:1530-0315
DOI:10.1249/MSS.0000000000002979