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The effect of menopausal status on substrate utilization in younger women during submaximal exercise

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 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. / Includes bibliography. / Thesis (M.S.)--Florida Atlantic University, 2015. / FAU Electronic Theses and Dissertations Collection

Identiferoai:union.ndltd.org:fau.edu/oai:fau.digital.flvc.org:fau_31318
ContributorsPittinger, Elizabeth Smith (author), Zoeller, Robert F. (Thesis advisor), Florida Atlantic University (Degree grantor), College of Education, Department of Exercise Science and Health Promotion
PublisherFlorida Atlantic University
Source SetsFlorida Atlantic University
LanguageEnglish
Detected LanguageEnglish
TypeElectronic Thesis or Dissertation, Text
Format77 p., application/pdf
RightsCopyright © is held by the author, with permission granted to Florida Atlantic University to digitize, archive and distribute this item for non-profit research and educational purposes. Any reuse of this item in excess of fair use or other copyright exemptions requires permission of the copyright holder., http://rightsstatements.org/vocab/InC/1.0/

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