For those of you that are unfamiliar with what a double under is, well, I can't really say I blame you. A double under is the passing of a high speed jump rope not once, but twice under your feet in a single jump. This is a common movement in the sport of CrossFit, which has recently taken the fitness world by storm, and a sport I participate in frequently. But this story isn't just about double unders. While it does involve the execution of 10,000 double unders in 30 days, it's about … [Read more...]
How Tim Ferriss Taught Me To Do Double Unders, & The 10,000 Double Under Challenge
For those of you that are unfamiliar with what a double under is, well, I can't really say I blame you. A double under is the passing of a high speed jump rope not once, but twice under your feet in a single jump. This is a common movement in the sport of CrossFit, which has recently taken the fitness world by storm, and a sport I participate in frequently. But this story isn't just about double unders. While it does involve the execution of 10,000 double unders in 30 days, it's about … [Read more...]