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Fitness, strength and body composition during weight loss in women with clinically severe obesity: a randomised clinical trial

Miller, Clint T, Fraser, Steve F, Selig, Steven, Rice, Toni, Grima, Mariee, van den Hoek, Daniel J, Ika Sari, Carolina, Lambert, Gavin W and Dixon, John B 2020, Fitness, strength and body composition during weight loss in women with clinically severe obesity: a randomised clinical trial, Obesity facts, vol. 13, no. 4, pp. 307-321, doi: 10.1159/000506643.

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Title Fitness, strength and body composition during weight loss in women with clinically severe obesity: a randomised clinical trial
Author(s) Miller, Clint TORCID iD for Miller, Clint T orcid.org/0000-0001-7743-6986
Fraser, Steve FORCID iD for Fraser, Steve F orcid.org/0000-0003-0202-9619
Selig, StevenORCID iD for Selig, Steven orcid.org/0000-0003-4159-5111
Rice, Toni
Grima, Mariee
van den Hoek, Daniel J
Ika Sari, Carolina
Lambert, Gavin W
Dixon, John B
Journal name Obesity facts
Volume number 13
Issue number 4
Start page 307
End page 321
Total pages 15
Publisher Karger
Place of publication Basel, Switzerland
Publication date 2020-10
ISSN 1662-4025
1662-4033
Keyword(s) Science & Technology
Life Sciences & Biomedicine
Endocrinology & Metabolism
Nutrition & Dietetics
Obesity
Exercise training
Women
Fitness
Body composition
Summary Introduction: To determine whether combined exercise training with an energy-restricted diet leads to improved physical fitness and body composition when compared to energy restriction alone in free-living premenopausal women with clinically severe obesity. Methods: Sixty premenopausal women (BMI of 40.4 ± 6.7) were randomised to energy restriction only (ER) or to exercise plus energy restriction (EXER) for 12 months. Body composition and fitness were measured at baseline, 3, 6 and 12 months. VO2 peak improved more for EXER compared to ER at 3 (mean difference ± SEM 2.5 ± 0.9 mL ∙ kg–1 ∙ min–1, p = 0.006) and 6 (3.1 ± 1.2 mL ∙ kg–1 ∙ min–1, p = 0.007) but not 12 months (2.3 ± 1.6 mL ∙ kg–1 ∙ min–1, p = 0.15). Muscle strength improved more for EXER compared to ER at all time points. No differences between groups for lean mass were observed at 12 months. Conclusion: Combining exercise training with an energy-restricted diet did not lead to greater aerobic power, total body mass, fat mass or limit lean body mass loss at 12 months when compared to energy restriction alone for premenopausal women with clinically severe obesity in free-living situations. Future research should aim to determine an effective lifestyle approach which can be applied in the community setting for this high-risk group.
Language eng
DOI 10.1159/000506643
Indigenous content off
Field of Research 1106 Human Movement and Sports Sciences
1111 Nutrition and Dietetics
1117 Public Health and Health Services
HERDC Research category C1 Refereed article in a scholarly journal
Free to Read? Yes
Persistent URL http://hdl.handle.net/10536/DRO/DU:30143207

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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.