As expected, however, hard-line boomers are adopting an over-exercise-until-you-drop attitude. This group is so determined they plan to exercise excessively, even if it means hobbling into old age due to self-inflicted hobbling. As another member of the over-exercise or you’re over-the-hill group stated, ”Look, if I’m going to need a knee replacement or two, I might as well be one of the first in my generation to get one.”