Conversion between metric and English units. 1 meter (m) = 39.4 inches = 1.09 yards; 1 yard = 0.92 m. 1 centimeter (cm) = 0.39 inches; 1 inch = 2.54 cm. 1 millimeter (mm) = 0.039 inch = 39/1,000 inch; 1 inch = 25.4 mm. 1 micrometer or micron (um) = 0.000039 inch = 39/1,000,000 inch;
Lifelong physical activity, is also an activity that you enjoy and can do for the rest of your life to keep fit. It can involve participating in a range of physical activities that enhances your health.
All Americans should be regularly physically active to improve overall health and fitness and to prevent many adverse health outcomes. The benefits of physical activity occur in generally healthy people, in people at risk of developing chronic diseases, and in people with current chronic conditions or disabilities.