Tip: 5 Ways to Dominate the Toughest Ab Exercise
Most people can't even do it on their knees, much less standing. (Wait, that sounds dirty.) Here's how you can master it.
Jumping Rope: From Beginner to Boxer
The Fastest Way to Become a Bad-Ass Rope Skipper
Tip: Master the Muscle-Up
It looks cool and it's a tough exercise, but most people can't even do one rep. Don't be most people.
