Someone needs a fact checker. This math is so wrong. 1000 jumping jacks is only 500 calories burnt. That's only the calories of one pound of fat, 3500 calories. To burn 1 pound do 7000 jumping jacks. That sounds a bit more reasonable, eh?
Get in shape and get Jenna marbles jumping jacks, 5 crunches, 20 mountain climber, and a 30 second plank.so worth it! - Not sure how well I'd do with this but I would like a nice flat, toned stomach so it's worth a try!