Most recently, he challenged himself to learn how to do a muscleup, a goal inspired by seeing pro rock climber Magnus Midtb do an even more challenging one-arm verrsion of the move. (Geek Climber ...

Climbers need to have impressive upper body strength to haul themselves up to great heightsand if they're trying to get tricky with maneuvers like one-arm pullups, they need to be able to handle more ...