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Tufts' Nelson a leader on Physical Activity Guidelines advisory committee
Date:11/3/2008

dence" showing physically active children have less body fat and are at lower risk for cardiovascular and metabolic diseases. Activities for children should be developmentally appropriate.

  • Adults and children with disabilities should be as physically active as possible.

  • Healthy pregnant and postpartum women should do moderate-intensity physical at least 2 hours and 30 minutes per week. Women who engaged in vigorous-intensity physical activity prior to pregnancy can continue with the permission of their health care providers.

    Nelson stresses that, while aerobic exercise is the most important part of the equation, "it's also important for adults and children to supplement their workouts with strength exercises. Activities like push-ups and sit-ups build muscle and bone strength. In older adults, strength training can help improve functionality and reduce the risk of falls," Nelson said.

    It remains unclear whether there is a minimum dose of exercise that will yield health benefits. "There is mounting scientific evidence that one hour per week of moderate intensity physical activity is associated with improved health and reduced risk for heart disease," Nelson said. "While not ideal, even limited physical activity appears to be better than none at all."


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    • Contact: Andrea Grossman
    617-636-3728
    Tufts University, Health Sciences
    Source:Eurekalert

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