How to Do Double Unders: How I Hit 639 Double Unders (In a Row) | Crossrope Jump Rope Training Blog
5 Tips to Master #CrossFit Double Unders
How to Master #CrossFit Double Unders Right Now
Excellent demo of how to build up and improve DUs. Practice CrossFit Double Under Demo - YouTube
A Ridiculously Awesome, yet brief, Guide to Double Unders. Includes two workouts "guaranteed" to improve your double unders by "200%."
Love these CrossFit Workouts I can do at home with my family from StayFitMom.com!
How to Master Double Unders
Watch the World Record for Double Unders! #jumprope #crossfit