An article about a 7 minute work out, where you work to “failing” in a number of different exercises.  It’s kind of hard for me to believe you could do all those exercises in 7 minutes, especially with a 10 second rest in between.

There’s very good evidence” that high-intensity interval training provides “many of the fitness benefits of prolonged endurance training but in much less time,” says Chris Jordan, the director of exercise physiology at the Human Performance Institute in Orlando, Fla., and co-author of the new article