There’s a reason some of the fittest athletes in the world jump rope as part of their regimens – it works. But kids do because it’s good old-fashioned fun. Double Dutch requires extra coordination and concentration, so you’ll completely forget you’re engaging in a heart-health activity. Challenge yourself and some adventurous souls to test out your jumping skills.Always consult your doctor before starting any exercise program.

(When logging progress for this challenge, only log as many days as you participated in the activity within the 30-day timeframe.)