1 NORTHUMBRIA-A mailing list for the counties of Northumberland and Durham, England. 2  DUR-NBL Mailing List-A list for individuals interested in genealogy and history of Durham and Northumberland Counties.
Physical activity is any body movement that works your muscles and requires more energy than resting. Walking, running, dancing, swimming, yoga, and gardening are a few examples of physical activity. According to the Department of Health and Human Services' 2008 Physical Activity Guidelines for Americans, physical activity generally refers to movement that enhances health.
According to energy consumption, intensity of activity can be classified as moderate, vigorous and low. physical activity helps improve physical fitness. Physical fitness is a state of well-being with low risk of premature health problems and energy to participate in a variety of physical activities.