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Researchers evaluate resistance training for diabetes prevention
Date:8/25/2009

>"The project is a good example of the potential of interdisciplinary collaboration between researchers from different fields," Winett said.

Davy brings knowledge of health and exercise physiology and Winett brings expertise in behavioral science to the collaboration. "The research I have been involved with for most of my career has been related to food intake, nutrition, weight management, and physical fitness," Davy said. "But despite all we have learned, most people still do not adopt and maintain healthy lifestyles. Some of the most exciting scientific advances in years to come will be how to help people improve health behaviors long-term."

Winett said, "A lot of programs have helped people initiate health behaviors stop smoking or start walking, for instance but they have not been very successful at helping people maintain these behaviors."

National data indicate that only 10 to 15 percent of older adults perform any strengthening exercises. Increasing the prevalence of resistance training to 30 percent is an objective of the U.S. Department of Health and Human Services' Healthy People 2010 initiative (www.healthypeople.gov).

Winett noted that studies show that resistance training can be effectively initiated in well-supervised settings, "but there are very few theory-based studies showing effective maintenance of resistance training in typical, minimally supervised settings such as health clubs."

After development and pilot stages, Davy and Winett will conduct a large randomized trial to see how well theory based approaches can help people 50 to 69 years old who are at risk for diabetes maintain resistance training over the long-term in minimally supervised settings. "The primary outcome measures of efficacy will be indices of pre-diabetes (glucose tolerance and fasting glucose concentration) and strength," said Davy. Additional biological and psychological measures will be part of the study.

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Contact: Susan Trulove
STrulove@vt.edu
540-231-5646
Virginia Tech
Source:Eurekalert  

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