Skyrobics, a jump-start for the heart

There's something comical about a bunch of middle-aged women leaping like gazelles across an open plain of trampolines. Bouncing, after all, is largely the domain of the preschool set, for which jumpers are pretty much de rigueur. But why should 4-year-olds have all the fun?

By Susan Carpenter, Los Angeles Times

August 4, 2012