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RE: One Minute of Pain and Your Workout is Done…Almost
Perfect! Can I cut it down to 10 seconds of HIIT, but at 6x the intensity than it would've been at 1 minute of HIIT? My schedule's real packed
Perfect! Can I cut it down to 10 seconds of HIIT, but at 6x the intensity than it would've been at 1 minute of HIIT? My schedule's real packed