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Wednesday, May 06, 2015

Strength training improves muscle strength and function, no matter your age. But does it help overweight people even if they lose no weight?

Researchers randomly assigned 111 sedentary, overweight, or obese adults aged 65 to 79 to a strength-training program with or without a diet that cut 600 calories from their usual intake. Three days a week, both groups did leg presses, leg curls, biceps curls, and other strength-training exercises under the researchers' supervision.

After five months, both groups lost equal amounts of fat in their muscle and gained equal knee strength and power, balance, and short-distance walking speed. However, only the calorie-cutting group lost weight (about 11 pounds), though that average didn't apply to each member of each group.

WHAT TO DO: Lose excess weight if you can, but make sure you do strength training even if you're not shedding pounds.

Source: American Journal of Clinical Nutrition 2015

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