I have a few questions about the reverse planche. I do not mean a mexican handstand like this:  https://s-media-cache-ak0.pinimg.com/236x/c3/27/98/c32798f4615f9c8fed1175652523f3bd.jpg I mean a real reverse planche like this one: http://s89.photobucket.com/user/oldskoolyarn/media/IG%20Magazine%20Scans/SAVE00046.jpg.html?sort=3&o=5 Does it translate to a "normal" planche in any aspect? It obviously requires flexible shoulders, but what else? Which muscles are involved?  How do you train fo