what does HIIT stand for? High Intensity Interval Training. HIIT is very effective cardio that will burn tons of calories & fat fast! here are two HIIT workouts for you to check out. one is for the gym and the other is for outside.
Source:
what does HIIT stand for? High Intensity Interval Training. HIIT is very effective cardio that will burn tons of calories & fat fast! here are two HIIT workouts for you to check out. one is for the gym and the other is for outside.
Source:
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