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Anonymous
I thought you only did HIIT for around 10 minutes or less.
I could have sworn I read somewhere that for running, you jog for 4 minutes to warm up, then you sprint 20, rest 20, sprint 20, rest 20, sprint 20, rest 20 seconds and then jog again for 4 minutes to cooldown ending with 10 minutes?
I did this and I'm tired, but that's because I recently started get back into shape.
On my off HIIT days, I run for 30 minutes, stopping only when I want to throw up.
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