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Effects of aerobic exercise and carb...

Racette, Susan Beth.

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Effects of aerobic exercise and carbohydrate on energy expenditure and body composition during weight reduction.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Effects of aerobic exercise and carbohydrate on energy expenditure and body composition during weight reduction./
Author:	Racette, Susan Beth.
Description:	125 p.
Notes:	Source: Dissertation Abstracts International, Volume: 55-03, Section: B, page: 0825.
Contained By:	Dissertation Abstracts International55-03B.
Subject:	Health Sciences, Nutrition. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9419818

Effects of aerobic exercise and carbohydrate on energy expenditure and body composition during weight reduction.
Racette, Susan Beth.

Effects of aerobic exercise and carbohydrate on energy expenditure and body composition during weight reduction. - 125 p.

Source: Dissertation Abstracts International, Volume: 55-03, Section: B, page: 0825.

Thesis (Ph.D.)--The University of Chicago, 1994.

In an effort to improve the outcome of dietary restriction for the treatment of moderate obesity, this study sought to determine the independent and combined effects of aerobic exercise and dietary carbohydrate on body composition and free-living energy expenditure during weight reduction. Thirty obese women (44 Subjects--Topical Terms:

1017801
Health Sciences, Nutrition.

Effects of aerobic exercise and carbohydrate on energy expenditure and body composition during weight reduction.
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035 $a (UMI)AAI9419818
035 $a AAI9419818
040 $a UMI $c UMI
100 1 $a Racette, Susan Beth. $3 1921886
245 1 0 $a Effects of aerobic exercise and carbohydrate on energy expenditure and body composition during weight reduction.
300 $a 125 p.
500 $a Source: Dissertation Abstracts International, Volume: 55-03, Section: B, page: 0825.
500 $a Adviser: Dale A. Schoeller.
502 $a Thesis (Ph.D.)--The University of Chicago, 1994.
520 $a In an effort to improve the outcome of dietary restriction for the treatment of moderate obesity, this study sought to determine the independent and combined effects of aerobic exercise and dietary carbohydrate on body composition and free-living energy expenditure during weight reduction. Thirty obese women (44 $\ pm $ 4% fat mass, mean $\ pm $ SD) were randomized to either aerobic exercise (EX) or no exercise (NX), and to a high-carbohydrate (HC) or low-carbohydrate (LC) reducing diet (4.94 $\ pm $ 0.62 MJ/d) for 12 weeks. Measurements conducted before and after weight loss included body composition by isotope dilution, basal metabolic rate (BMR) and thermic effect of a meal (TEM) by respiratory gas exchange, and total daily energy expenditure (TDEE) by the doubly labeled water (DLW) method. Significant effects of EX included greater losses of weight (EX: $- $1 0.8 $\ pm $ 3.2 vs. NX: $- $8 .1 $\ pm $ 2.3 kg, P = 0.012) and fat mass (EX: $- $8 .9 $\ pm $ 2.1 vs. NX: $- $6 .1 $\ pm $ 2.2 kg, P = 0.002), and maintenance of TDEE (EX: +0.14 $\ pm $ 1.47 vs. NX: $- $1 .32 $\ pm $ 0.99 MJ/d, P = 0.003), which was due to a difference in physical activity (EX: +0.90 $\ pm $ 1.29 vs. NX: $- $0 .48 $\ pm $ 1.03 MJ/d, P = 0.003). This difference was not attributable solely to the EX sessions, but also to an increase in habitual physical activity in the EX group, as indicated by heart rate monitoring and the 7-day physical activity recall questionnaire. DLW data revealed that exercise also enhanced dietary compliance, with the EX group consuming closer to the prescribed energy levels (EX: 0.71 $\ pm $ 1.55 vs. NX: 2.31 $\ pm $ 1.60 MJ/d above prescribed, P = 0.01). BMR decreased comparably in the 2 groups ( $- $0 .56 MJ/d), and TEM (% of meal) did not change. The carbohydrate content of the diet did not significantly influence body composition or energy expenditure changes. In summary, the addition of aerobic exercise to a hypocaloric diet significantly enhanced weight and adipose tissue losses, maintained total energy expenditure by increasing physical activity, and improved dietary compliance. Therefore, aerobic exercise is an important component which has significant benefits for the treatment of moderate obesity.
590 $a School code: 0330.
650 4 $a Health Sciences, Nutrition. $3 1017801
650 4 $a Health Sciences, Recreation. $3 1018003
690 $a 0570
690 $a 0575
710 2 0 $a The University of Chicago. $3 1017389
773 0 $t Dissertation Abstracts International $g 55-03B.
790 1 0 $a Schoeller, Dale A., $e advisor
790 $a 0330
791 $a Ph.D.
792 $a 1994
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9419818