C.S. LEWI

HIIT workouts generally combine short bursts of intense heart-pounding exercise (during which a person’s heart rate reaches at least 80 percent of its maximum capacity, usually for 1 to 5 minutes) with periods of rest or lower-intensity exercise.

On average, we experience an interruption every 8 minutes or about 7 or 8 per hour. In an 8t-hour day, that is about 60 interruptions. The average interruption takes about 5 minutes, so that is about 5 hours out of 8. 

And if it takes around 15 minutes to resume the interrupted ac...

The World Health Organization recommends 150 to 300 minutes of moderate to heavy exercise per week, which many of us are not doing as we overestimate our activity levels.

A vigorous exercise, where our heart rate reserve is more than 60 percent cannot be the same for every person, as one f...