Continuing with her stay fit initiative, First Lady Michelle Obama, along with hundreds of school kids jump started the attempt to break the Guinness World Record for jumping jacks.

“I get to do a lot of cool things, but this is really exciting. I never thought in my entire life that I would be here to break a Guinness World Record.” said Mrs. Obama.

Along with 400 students, The First Lady started the worldwide exercise at 3 p.m. ET October 11 on the White House lawn.

The exercise went until 3 p.m. ET (October 12) with Mrs. Obama requesting worldwide participation to break the record. The goal is to get over 20,000 people doing jumping jacks during that period.