In simple terms, the 30-20-10 workout involves 30 seconds of low-intensity activity, 20 seconds of moderate-intensity activity, followed by 10 seconds of high-intensity activity. And although we’re ...

the shift from happy hour to High-Intensity Interval Training (HIIT) with a group is not just a passing corporate fad—it’s a powerful bio-hack that directly increases your workout intensity, boosts ...