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The effect of menopausal status on substrate utilization in younger women during submaximal exercise
Title
The effect of menopausal status on substrate utilization in younger women during submaximal exercise.
Creator
Pittinger, Elizabeth Smith, Zoeller, Robert F., Florida Atlantic University, College of Education, Department of Exercise Science and Health Promotion
Abstract/Description
The purpose of this study was to determine if surgically-induced menopause in younger women affects substrate utilization during submaximal exercise while controlling for other potential confounds. METHODS: Thirteen untrained female subjects (33-50 years old) were recruited: oophorectomized (Group O = 5) and premenopausal controls (Group C = 8). Two separate visits included: body composition and maximal treadmill exercise test; followed by substrate utilization via open-circuit spirometry...
Show moreThe purpose of this study was to determine if surgically-induced menopause in younger women affects substrate utilization during submaximal exercise while controlling for other potential confounds. METHODS: Thirteen untrained female subjects (33-50 years old) were recruited: oophorectomized (Group O = 5) and premenopausal controls (Group C = 8). Two separate visits included: body composition and maximal treadmill exercise test; followed by substrate utilization via open-circuit spirometry during 45 minutes of treadmill walking at 50% VO2max. RESULTS: When controlling for multiple variables affecting whole-body substrate utilization (age, VO2max, physical activity, body composition, fasting glucose, menstrual phase and diet), there was no difference in substrate utilization between pre- and postmenopausal women as measured by respiratory exchange ratio (RER) (0.83 ± 0.04 v 0.84 ± 0.03, p=0.47). CONCLUSIONS: Menopausal status does not appear to have an effect on substrate utilization during submaximal exercise in younger women.
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Date Issued
2015
PURL
http://purl.flvc.org/fau/fd/FA00004400, http://purl.flvc.org/fau/fd/FA00004400
Subject Headings
Lipids--Metabolism, Exercise for women--Physiological aspects, Menopause--Physiological aspects, Endocrine gynecology
Format
Document (PDF)
Relationships Between Diet and Physical Activity Lifestyle Factors and Body Composition, Waist Circumference, and Body Mass Index in Postmenopausal Women
Title
Relationships Between Diet and Physical Activity Lifestyle Factors and Body Composition, Waist Circumference, and Body Mass Index in Postmenopausal Women.
Creator
Jansen, Mary, Zoeller, Robert F., Florida Atlantic University, College of Education, Department of Exercise Science and Health Promotion
Abstract/Description
PURPOSE: The purpose of this study was to compare relationships between dietary and physical activity (PA) behaviors and body composition and body fat distribution, as measured by percent body fat (BF%), waist-to-height ratio (WHt), waistto- hip ratio (WHp) and body mass index (BMI) in post-menopausal women (Post), with the same relationships in pre-menopausal women (Pre). METHODS: Ninety-two subjects (n = 48 Post; n = 44 Pre) were measured for height, weight, waist and hip circumferences and...
Show morePURPOSE: The purpose of this study was to compare relationships between dietary and physical activity (PA) behaviors and body composition and body fat distribution, as measured by percent body fat (BF%), waist-to-height ratio (WHt), waistto- hip ratio (WHp) and body mass index (BMI) in post-menopausal women (Post), with the same relationships in pre-menopausal women (Pre). METHODS: Ninety-two subjects (n = 48 Post; n = 44 Pre) were measured for height, weight, waist and hip circumferences and skinfold thicknesses. Dietary content was obtained from a Diet History Questionnaire (DHQ II); PA was estimated from responses to the International Physical Activity Questionnaire (IPAQ). RESULTS: Multiple regression identified no modifiable predictor variables for Pre. Models for Post identified saturated fat grams (SFGs), PA, years postmenopause (YrsPost), and Alcohol (Alc) as predictors of WHt, WHp, BMI and BF%. CONCLUSIONS: PA, SFG and Alc are modifiable variables related to postmenopausal body composition and fat distribution.
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Date Issued
2017
PURL
http://purl.flvc.org/fau/fd/FA00004820, http://purl.flvc.org/fau/fd/FA00004820
Subject Headings
Physical fitness for women., Exercise for women--Physiological aspects., Menopause., Health risk assessment.
Format
Document (PDF)