Weights May Beat Running for Preventing Diabetes
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- Running may help burn calories, but when it comes to preventing diabetes and obesity, pumping iron might have the edge, according to preclinical findings.
- The research, published in the Journal of Sport and Health Science, compared the effects of endurance and resistance exercise in mice fed a high-fat diet, a widely used...
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Weightlifting Beats Running for Blood Sugar Control, Mouse Study Finds
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Running may help burn calories, but when it comes to preventing diabetes and obesity, pumping iron might have the edge, according to preclinical findings. This research challenges conventional wisdom and opens new avenues for exercise recommendations.
The research, published in the Journal of Sport and Health Science, compared the effects of endurance and resistance exercise in mice fed a high-fat diet, a widely used model of obesity, hyperglycemia, and Type 2 diabetes.
key Findings: Resistance Training Outperforms Endurance Exercise
A team led by exercise medicine researcher Zhen Yan found that while both running and weightlifting helped the body clear excess sugar from the blood, resistance training was more effective in reducing subcutaneous and visceral fat, improving glucose tolerance, and lowering insulin resistance-key factors in preventing and managing diabetes.
“We all want to live a long, healthy life,” says Yan, professor and director of the Fralin Biomedical Research Institute at Virginia Tech. “We all know the benefits of regular exercise. There is plenty of evidence in humans that both endurance exercise, such as running, and resistance exercise, such as weightlifting, are effective in promoting insulin sensitivity.”
But while both support metabolic function, a rigorous side-by-side comparison was lacking. Is one type of exercise better than the other?
The Innovative Mouse Weightlifting Model
To conduct the first direct, controlled comparison, members of the research team built something that had not previously existed: a mouse model of weightlifting.
In this model, mice lived in specially designed cages where food was accessed through a hinged, weighted lid.To eat,the mice had to lift the lid