18 Body Hacking Tips From Hollywood’s Fittest Celebs

(Source: usmagazine.com)

Reality TV star, Kristin Cavallari, performs dedicated workouts with little rest between sets. Exercises are performed for 60 seconds, taking only enough rest between to recover for the next move. She pounds out 4-5 moves in a row before taking a 60-second break, then dives back in, repeating five times.