With any cardio exercise, 150 minutes a week is a great baseline, so you can break that up however you want. Dancing for about 30 minutes a day, five days a week, is optimal. It's also a good idea to ...

By combining strength exercises with cardio, circuit training elevates your heart rate and keeps it up throughout the session, which can lead to significant calorie burn.

Group circuit workouts that mix strength moves with cardio bursts create a social experience that many find more engaging than solo workouts.

Keep at-home cardio workouts in your back pocket for when you can’t run outside (and you’re sick of the treadmill).

Start with a higher-intensity, five-minute cardio, then in a nonstop circuit, do the following options: Squat/biceps curl/military press 10 reps: These three exercises combined into a single movement.

A natural assumption is that circuit training is a cardio exercise since it elicits a significant heart-rate response. People often relate heart rate to cardio, or aerobic exercise.

Walk 60 sec / 2–3 RPE HIIT stair climber circuit This is a HIIT cardio circuit that is designed to increase in difficulty for an efficient, metabolism-revving burn.

Circuit training is about a combination as well as quick rotation of a series of different exercises, targeting different muscle groups. About six to ten exercises are clubbed into one exercise ...

In a word, the Insanity workout is grueling. I completed the 42-minute cardio circuit sample workout that Insanity's parent company, Bodi, uploaded to YouTube on May 3.

Lightweight Shoulder -- This lightweight shoulder circuit is one of my favorite additions to any upper-body workout. Click the link for the complete six-exercise circuit, using five-pound dumbbells.