Quote:
Originally Posted by Crush086
They say it's more effective, but you likely won't want to go past 20 minutes doing it (if you're doing it right you won't be able to go much past 20 minutes anyways).
It's definitely time saving, but also way more vigorous. I do it when I do my cardio after work.
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Yeah I figured as much. Do you do any type of warmup before or just go right into the 1 minute intervals?