12-Minute HIIT No-Equipment Workout Too Cold to Go to the Gym? Try This HIIT Workout at Home! by Self 1/01/14 37 Reactions 3.5K Shares Print 3.3K 114 12 1 Burn major calories and break a sweat with this high-intensity interval training (HIIT) workout from Self — it only takes 12 minutes! Sorry to break it to you, but you’re about to lose the “It’s nasty out so there’s no way I can exercise” excuse. No matter how frigid and frosty it is, you can still squeeze in a super-effective workout from the comfort of your own home — even if you don’t own a single piece of equipment
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