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circuit training

7 Abs Exercises You Can Do Every Day for a Stronger Core

These 7 moves offer just enough burn to build serious muscle without leaving your energy depleted.

The Total-Body Stairs Workout You Can Do Anywhere

Take advantage of your porch steps for a challenging outdoor workout.

This Boxing-Style HIIT Workout Is Designed for People with Knee Pain

HIIT workouts don't have to be all about the jumping or squatting or...squat jumping.

I Committed to 30 Days of Circuit Training and Finally Enjoy Exercise

What used to feel like pure torture is now the only way to make it through my day.

This 90s-Inspired Circuit Workout Is Perfect for a Throwback Gym Selfie

Aka pretend you're on 'Legends of the Hidden Temple'

Work Out Like An Australian with This Total-Body Toning Circuit

Fast and fun: that's the workout mantra from Down Under.

The 4-Minute Circuit Workout You Can Do Anywhere

We dare you to tell us you don't have time for this total-body routine.

Circuit Training Goes Old School for a Total-Body Burn

Put a fresh spin on old school bodyweight moves.

Instagram Star Kayla Itsines Shares Her 7-Minute Workout

Get ready to #sweatwithkayla: The creator of the Bikini Body Guide designed an exclusive 7-minute circuit workout for us.

Speed-Building Hills Sprints That Sculpt All Over

Runners, tackle tough hills—minus the huffing and puffing—with this surefire circuit.

Buh-Bye Boring Beach Workouts! Build Serious Strength on the Sand

Take your routine to shore to torch two times the calories and sculpt every inch of your beach bod.

10-Minute Tighten-and-Tone Circuit from Shaun T

The Insanity founder is back at it with this quick but effective workout routine that targets all your trouble zones.

The USWNT Endurance Circuit Workout

Train like a U.S. Women's National Team member with this endurance workout straight from the coach.

Nike+ NYC Exclusive Two-Week Training Plan to Become a Better Athlete

Are you a runner who shuns strength training? A gym rat who hates cardio? Follow this exclusive two-week training plan to become stronger, faster, and fitter.

Hard-Body Meltdown

Rev up your metabolism and burn more calories around the clock with this muscle-making circuit.

3 Strength Exercises from Snowboarder Elena Hight

The 2-time Olympic snowboarder shares 3 exercises that keep her body strong and injury-free.

60 Seconds to a Slimmer Body

60 seconds seems like nothing, but these fast circuits will prove that's all you need to tighten and tone your body.

The Best Fat-Burning Workout for a Packed Gym

These super-effective moves don't require tons of room or equipment—but deliver amazing fat-burning results.

4 Exercises for a Full-Body Blast

An effective workout doesn't need to be complicted. Do 4 rounds of this progressively challenging circuit to torch calories and tone up from head to toe!

The 15-Minute Cardio Blast

Keep holiday pounds at bay with this targeted training session that's as effective as 30 minutes on the treadmill.

The 20-Minute Total Package Workout

Squeeze in a complete cardio and strength session in minutes with our Black Friday Fitness program.