Table 1:

Physical Activity Guidelines for All Americans (2018) (91, 92)

Adults	Move more and sit less throughout the day. Some physical activity is better than none.
	For substantial health benefits, do at least 150 min (2 h, 30 min) to 300 min (5 h) a week of moderate-intensity, or 75 min (1 h, 15 min) to 150 min (2 h, 30 min) a week of vigorous-intensity aerobic physical activity, or an equivalent combination of moderate- and vigorous-intensity aerobic activity, preferably spread throughout the week.
	Additional health benefits are gained by engaging beyond the equivalent of 300 min (5 h) of moderate-intensity physical activity weekly.
	Perform muscle-strengthening activities of moderate or greater intensity and that involve all major muscle groups on 2 or more days/week.
Older Adults	The guidelines for healthy older adults are the same as those for all adults.
	In addition, as part of weekly physical activity, do multicomponent physical activity that includes balance training as well as aerobic and muscle-strengthening activities.
	Determine level of effort for physical activity relative to the level of fitness.
	With chronic conditions, understand whether and how the conditions affect the ability to do regular physical activity safely.
	If an individual cannot do 150 min of moderate-intensity aerobic activity a week because of chronic conditions, engage in as much physical activity as abilities and conditions allow.
Children and Adolescents	Preschool-aged children (ages 3 through 5 y) should be physically active throughout the day to enhance growth and development.
	Adult caregivers of preschool-aged children should encourage active play that includes a variety of activity types.
	Provide young people opportunities and encouragement to participate in physical activity appropriate for their age, that are enjoyable, and that offer variety.
	Children and adolescents ages 6 through 17 years should engage in 60 min (1 h) or more of moderate-to-vigorous physical activity daily:  • Aerobic: Most of the 60 min or more per day should be either moderate-or vigorous-intensity aerobic physical activity and should include vigorous-intensity physical activity on at least 3 d/wk.  • Muscle-strengthening: As part of 60 min or more of daily physical activity, include muscle-strengthening activities on at least 3 d/wk.  • Bone-strengthening: As part of 60 min or more of daily physical activity, include weight-bearing exercise to strengthen bones at least 3 d/wk.