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"When someone says &amp;quot;Get more exercise&amp;quot; you probably think of walking, jogging, biking or some other aerobic activity. While aerobic exercise is certainly crucial, just as important to staying healthy (not to mention slim) is strength training. Lifting weights and doing other exercises where you&amp;#039;re working against you&amp;#039;re own body weight (think push-ups) may bring to mind images of big muscles, heavy-duty gym equipment (and maybe guys grunting). But doing a resistance training routine twice a week helps you build muscle\u2014which helps you not only LOOK more toned but also helps keep your metabolism revved and reduce your risk of osteoporosis. And you don&amp;#039;t have to go to the gym. (Check out this easy one from Denise Austin.)  In fact, I keep a set of 8-pound and 5-pound weights under my bed and pull them out to squeeze in a 20-minute routine while I&amp;#039;m watching The Good Wife on Tuesday nights.  -Amy Brightfield, Health Director "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.womansday.com/health-fitness/a44852/muscle-up-2644/>