For many, weight training calls to mind bodybuilders pumping iron in pursuit of beefy biceps and bulging pecs. But experts say it’s well past time to discard those antiquated notions of what resistance training can do for your physique and health. Modern exercise science shows that working with weights—whether that weight is a light dumbbell or your own body—may be the best exercise for lifelong physical function and fitness.
More research links resistance training with improved insulin sensitivity among people with diabetes and prediabetes. One study published in the journal Diabetes Care found that twice-weekly training sessions helped control insulin swings (and body weight) among older men with type-2 diabetes. “Muscle is very metabolically active, and it uses glucose, or blood sugar, for energy,” says IHPI member Mark Peterson, an assistant professor of physical medicine at U-M.
During a bout of resistance training, your muscles are rapidly using glucose, and this energy consumption continues even after you’ve finished exercising, Peterson says. For anyone at risk for metabolic conditions—type-2 diabetes, but also high blood pressure, unhealthy cholesterol levels and other symptoms of metabolic syndrome—strength training is among the most-effective remedies, he says.
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