Quote:
Originally Posted by AskTheTrainer
A treadmill was the last machine I was thinking of. I should have made it clear that I was talking about iso-lateral cardio machines such as stairmasters, ellipticals, and arch-trainers which have 2 independent sides.
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I think this could be a very minor factor if you very talking about the same user putting in all the hours on machine (not that that would be possible), but to suggest that differing people with imbalances would because of these imbalances put a such an additional stress on the machine that it would break down is a bit of stretch.
A more likely cause of "imbalance" damage on the machine is that the machine is not balanced in that it is not level. Internal "imbalances" in the machines plays a much greater role in machine breakdown- especially caused by poor lubrication during maintenance. Even with the use of a maintenance schedule, improper maintenance is an issue for many machines (speaking from direct experience in QA in heavy industry). Maintenance engineers are are notoriously sloppy and the problem is compounded when the maintence is either outsourced or worse done by a non-technician.