Have 10 minutes to get in shape?
You don’t need to spend upwards of an hour at the gym to feel an insane burn. This short, intense workout strengthens your arms, upper back, core, butt, and legs in about 10 minutes. The best part? No equipment is needed.
Start by setting a timer for five minutes, and keep repeating the following three move circuit until the five minutes are up: 5 triceps push-ups, 10 diamond sit-ups, and 15 air squats. Aim for two rounds.
PopSugar has even more on this powerful workout.