Want a great exercise for developing upper-body strength? Try legless rope climbing.
HQ trainer Adrian (Boz) Bozman can teach you how to progress from beginner to advanced legless climbing. While less technical than other climbing techniques, legless climbing is still extremely challenging and translates well to strength-demanding movements such as the strict muscle-up.
Additional reading: Macroclimbing by Greg Glassman, published Feb. 1, 2004.