Originally Posted by
gregf83
I suppose I simply disagree with you that an intense interval on the bike is somehow less stressful on the heart than running. Your only evidence seems to be that running all-out for one minute feels harder for you than cycling all-out for a minute.
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? I am not much invested in this subject but hasn't there been numerous studies showing VO2 max, VO2 peak is higher for most people (like as much as 10%) when measured on treadmills vs stationary cycles due to more muscle involvement?
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