A lot has been going on recently in the international gymnastics world, with training for some major competitions. And, of course, we have the younger set learning their skills and training their bodies for the future.  A great sport for physical - and mental - development!    Now here's a great game for the young ones to condition their abs at the same time as addressing a challenge:   The older ones set challenges too: The beach is great: But,more seriously:  High speed for a vault run-up is important: