Originally Posted by
gregf83
If you're talking about untrained people I would agree as running is more natural than cycling. For trained athletes it's less clear.
"Trained athletes" being a bit suggestive. Seems to me these studies tend to involve tri and duathlon competitors as their trained athletes, or full time sport-specific college level athletes, which focuses on what ... far less than 1% of the general population? Just not sure what this means for any average guy or gal.