First lady Michelle Obama does jumping jacks with 400 school children on the South Lawn of the White House, in Washington, DC, USA on October 11, 2011. First lady Michelle Obama led
I Started Doing 100 Jumping Jacks a Day - This is What Happened
If You Do Just 10 Minutes of Jumping Jacks Everyday See What Will Happen to Your Body | HealthPedia - YouTube
U.S. National Soccer player Becky Sauerbrunn leads children from the Barack Obama Elementary School to do as many jumping jacks as they can in a one minute period in St. Louis on