For the first time since 2008, the federal government has updated its physical activity recommendations.
Link:
https://www.ketv.com/article/new-guidelines-for-children-and-fitness-starting-with-age-3/25027081
School-aged kids should get at least 60 minutes of physical activity every day, while preschoolers need around three hours per day, according to the guidelines.
Adults need 150 minutes of moderate to vigorous exercise per week.