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Anonymous
I'm running on an eliptical trainer on the "Intervals" setting. It's essentially HIIT, doing 1-2 minutes of low resistance, then like 1-2 minutes of high, then like 2-3 of low, 2-3 of high etc.
I'll be going just as hard for the shorter one as the longer one so which is better? Shorter more often or longer less often?
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