I heard a radio program fairly recently about several gung-ho aerobics instructors who started in the 80s with the really high-impact aerobics (and shiny tights and legwarmers, no doubt), and kept doing it for hours every day, day in and day out over the ensuing decades. Frankly, they all seemed rather obsessive about it, not cross training, not taking breaks, doing it for 4 hours a day and more. Each of them have severe hip injuries, and some have had hip replacements. They are in their 40s and 50s now, way too young for that kind of procedure in an otherwise healthy and active person. Some are still bouncing around!
Bear in mind that aerobics have changed considerably over the past 25+ years. We used to do them on hard concrete floors in poorly-designed shoes with the belief that the higher we jumped (and jumped and jumped), the more in-shape we would get. Instructors were rarely trained in anatomy and physiology, something I would expect a personal trainer to be conversant in.
From an outsider's perspective, it seems like the fitness industry has evolved considerably. That's positive for the rest of us who rely on all y'all to help us get in and stay in shape, avoid injury, and get healthier. Thanks so much for all you do!



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. WHOA girls... need to get my feet wet first
. That is a tragedy. I think I will do it, but when I feel ready. I don't like the pressure of being attacked by people I pass in the hallways about "so WHEN are you gonna do it?".
. I guess if anything, yes, my true love for the activity as beneficially to anyone is genuine, and must come thru.
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