It's not tank top season yet, but soon we'll be sporting sleeveless shirts nonstop, so now's the time to start toning your arms! This routine works your entire upper half to burn calories while building sleek limbs and a powerful core so you look sexy and strong.
How it works: Three or four non-consecutive days a week, do 1 set of each exercise back to back. Repeat the entire circuit up to two more times. For the full text of this workout, click here.