Torch Calories and Tone With This Circuit Workout
What's not to love about circuit training? Combining heart-pumping elements of cardio with strength-training moves means you torch calories while toning muscles. It's just so efficient. Here's a fun yet challenging circuit workout I did recently with my Equinox trainer Lauren. The workout has you performing each exercise for a minute, which means you need to keep a stopwatch handy, but you have Read more

![Quick Ab Workout [VIDEO] Quick Ab Workout [VIDEO]](http://media3.onsugar.com/files/2012/04/14/2/192/1922729/f5b2361a440e89d3_TN.larger/i/Quick-Ab-Workout-VIDEO.jpg)






