This one is for the beasts out there. If you can already bang out 10 or 20 pull-ups, you might be getting a little bored with our pull-up challenge. Earlier we talked about how to make pull-ups easier, but now it’s time for the flip side. Here are some of the more advanced moves you can try once you’ve mastered the…
Source: LifeHacker – How to Make Pull-Ups More Challenging