Quote:
Originally Posted by Jean-Paul
One person won't have a noticeable impact on a machine. It is the countless hours of banging away that breaks them down. The people on the cardio equipment are all random anyway.
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Exactly. There is no logical reason to believe that a treadmill (just the example of a cardio machine that I think of first) would be significantly affected by slightly different force patterns that different people's body's produce due to various muscle imbalances and such. In general, I believe that it is heavy, frequent usage of the cardio machines at commercial gyms that is the reason that they break and need maintenance so frequently. If a treadmill is in usage for hours upon hours each day, 7 days a week, by a variety of people, they eventually need maintenance. There is no reason to believe otherwise.