Abstract
Purpose:
To investigate whether a home-based resistance training (RT) program that supplied high-quality equipment and qualified exercise specialists could provide benefits to obese patients with type 2 diabetes.
Methods:
A total of 48 obese individuals with type 2 diabetes were randomly assigned to either an RT (n=27) or a control group (n=21). Those in the RT group received a multigym and dumbbells and performed RT 3 days per week for 16 weeks at home. A qualified exercise specialist supervised training, with supervision being gradually decreased throughout the study. Primary outcome measures included strength and hemoglobin-A1C, whereas secondary outcome measures included other cardiovascular risk markers, key social-cognitive constructs and health-related quality of life.
Results:
Intention-to-treat analyses indicated a significant increase in upper and lower body strength for the RT group compared with controls (20–37% mean increases in the RT group). No significant reduction in A1C levels was observed. The RT group had unchanged high-density lipoprotein cholesterol levels in comparison to declines in the control group. Significant reductions in fasting insulin, and increases in RT-related self-efficacy and intentions, were also observed in the RT group.
Conclusions:
Supervised home-based RT with high-quality equipment was effective for improving strength, along with other secondary outcomes in obese patients with type 2 diabetes.
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Acknowledgements
RCP was supported by Salary Awards from the Canadian Institutes of Health Research (Applied Public Health Chair Program). RJS was supported by a Health Senior Scholar award from the Alberta Heritage Foundation for Medical Research. This study was funded by the Canadian Institutes of Health Research. Strategic Initiative in Excellence, Innovation and Advancement for the Study of Obesity and Healthy Body Weight.
ClinicalTrials.gov Protocol Registation System—registration number: NCT00221208.
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Plotnikoff, R., Eves, N., Jung, M. et al. Multicomponent, home-based resistance training for obese adults with type 2 diabetes: a randomized controlled trial. Int J Obes 34, 1733–1741 (2010). https://doi.org/10.1038/ijo.2010.109
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DOI: https://doi.org/10.1038/ijo.2010.109
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