Set a timer for 40 rounds of 30 seconds of work and 10 seconds of rest. Go through the sequence five times.
25. The Scientific 7-Minute Workout
According to The New York Times, this is the “scientific 7-minute workout” that maximizes the benefits of interval training in the shortest amount of time.
- France and Russia have agreed to coordinate their airstrikes with the U.S. against ISIS. ›
- And how well do you know what happened in the news this week? Take our quiz. ›