Intervals & Circuit Training
LATEST STORIES
The TACFIT Workout
This tactical fitness methodology from world-champ MMA fighter Scott Sonnon emphasizes precision over power, recovery over exhaustion.
The TACFIT Workout (Video)
This interval-style workout puts emphasis on form and recovery.
The Metabolic Resistance-Training Workout
Metabolic resistance training will build muscle, boost your metabolism and burn off unwanted fat.
Speed Workouts X 3
A trio of efficient sprint workouts to help you build serious fitness, fast.
One Crazy Workout From Shaun T.
Fresh from Shaun T., an Insanity-inspired circuit so effective at elevating energy and building base-level strength, you’d be nuts not to try it.
The Stair-Well Workout
In search of the ultimate do-anywhere workout? This strength-and-cardio routine using a flight of stairs is ready whenever you are.
A Partner Resistance-Band Workout
This cardio workout you can do with a friend builds spring-loaded strength.
A 45-Minute Hyperfit Workout
Tired of your usual fitness grind? Try this energizing Hyperfit workout from record-setting adventure athlete Sean Burch.
A Full-Body Outside Workout
When the best weather of the year arrives, you want to be out there soaking it up. Here’s what you need to know to make your outdoor workouts as effective as they are fun.
Making the Rounds: A Guide to Circuit Training
Circuit training can rev up your metabolism and extend your endurance. Find out how.
How to Improve Your Cardio Routine for Maximum Results
Cardio workouts are not a one-size-fits-all proposition. Here’s how to make your program work better for you.
5 Ways Speed Training Can Improve Your Health
Kids have the right idea: They love racing and chasing and seeing just how fast they can go. Here’s why adults should pick up the pace, too.
The Tabata Cardio and Strength Workouts
The Tabata Protocol isn’t easy, but it can dramatically increase your aerobic and anaerobic capacity in just minutes a month.
A Better Way to Burn Fat
If your weight-loss efforts seem stalled or stymied, heart-rate-based interval training may provide just the metabolic boost you need.
How to Do Overspeed Training
Feeling the need for speed? Yearning to turn on your turbojets? Overspeed training may deliver the velocity you’ve been missing.
Fitness Testing 1, 2, 3: Cardio Capacity
Whether your goal is to win a 10K or drop some unwanted pounds, cardio testing can help you streamline your workouts and maximize your results.
Effective Strength and Cardio Workouts You Can Do in Under an Hour
No time? No problem. You can still squeeze in a worthwhile cardio or weightlifting workout on even your busiest days.
How to Use a Heart-Rate Monitor
You’ve got a heart-rate monitor, but do you know how to use it? With a little guidance you can tap into your monitor’s full potential – and get closer to reaching your own.
How to Find Your Estimated Maximum Heart Rate
Knowing your maximum heart rate is essential for effective aerobic workouts. But if you’re using 220 minus your age, you may be missing the mark entirely.
How to Pace Your Exercise to Optimize Your Metabolism
Eager to be leaner? Don’t work harder (or wait longer) than you have to! Learn the art of heart-rate training for optimal fat loss.