Originally Posted by B. Carfree

We (chronologically) old folks have lived through the second bike boom ('60s/'70s), the running boom, Jane Fonda's aerobics thing, two periods of increased interest in swimming (Spitz era and the current one) and are leading the third bike boom. Most of us have participated in at least a couple of these prolonged fads in getting exercise. Meanwhile, the generation that followed the boomers has been spending its time sitting still. They and their children have no way to understand from experience why we exercise. My wife and I call them the Lost Generation.