HIIT Training Workouts

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The 10 Best Plank Variations Ranked From Easiest to Hardest

Try them in order for the ultimate challenge.

By Tehrene Firman

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Got Flat Feet? Here's What You Need to Know to Work Out Pain-Free

Here's your permission to reach for lighter weights.

By Taylor Bell

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7 Jump Rope Benefits That Make It Totally Worth the Sweat—Plus, 4 Workouts To Try

Anywhere, anytime.

By Isadora Baum

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The One Move a Trainer Says You Should Always Do To Round Out Your Core Workout

By Kate Hull

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This DAREBEE HIIT Workout Will Have Every Muscle in Your Body Barking

By Kate Hull

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'I'm an Olympic Gymnast, and These Are the 3 Exercises for Core Strength I Do Every Week'

By Tehrene Firman

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The Key To Going Harder In Your Workouts? Building in Time To Rest

By Allie Flinn

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Why Nailing Your Interval Timing May Be the Key to Crushing Your HIIT Workouts

By Kells McPhillips

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HIIT vs. Boot Camp: Which One Gives You the Best Workout?

By Sophie Wirt

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This No-Jumping Cardio Sculpt Workout Will Have You Looking at Planks in a Whole New Light

By Saanya Ali

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7 HIIT Workouts At Home That Promote Longevity for Expert Exercisers and Beginners Alike

By Mercey Livingston

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'I'm a Cardiologist and These Are the Quick Workouts I Swear by for a Midday Boost'

By Mercey Livingston

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Our Viewers Are Calling This the Most Challenging HIIT Workout They’ve Tried

By Kristina Valdez

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This Cardio-Heavy, Strength-Training Series Will Light Up Every Muscle in Your Body

By Zoe Weiner

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Want To Get Stronger in 2 Weeks? This Challenge Is the Best Way To Do It

By Brenna Holland

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Why One Trainer Says 20-Minute HIIT Sessions Can Be Even More Effective Than Longer Classes

By Zoe Weiner

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Bring the Red Room Into Your Living Room With the Barry’s X App

By Allie Flinn

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This Bodyweight HIIT Workout Builds Strength and Mobility at the Same Time

By Allie Flinn

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This Move Gets Your Heart Rate Up As High as a Burpee Does—Without Having To Do an Actual Burpee

By Allie Flinn

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Our Online Fitness Community Can't Get Enough of the Top 10 Best Workout Videos

By Kara Jillian Brown

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Why One Trainer Says She Incorporates 'Spider Planks' into Every Workout

By Sophie Wirt

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This At-Home Core Conditioning Workout Doesn't Require a Single Crunch

By Allie Flinn

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This Sweaty, 16-Minute HIIT Workout Also Helps with Lower Back Pain

By Allie Flinn

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This Low-Impact HIIT Workout Crams an Entire Cardio Session Into 4 Quick Rounds

By Allie Flinn

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This Equipment-Free HIIT Workout Will Have Your Core and Glutes Feeling the Burn In Under 17 Minutes

By Allie Flinn

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Try This 15-Minute Tabata Workout That Feels Like It’s Over in the Blink of an Eye

By Allie Flinn

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The 20 Best Push-Up Variations Ranked From Easiest to Hardest

By Tehrene Firman

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This 15-Minute Rebounder HIIT Workout is High Intensity, Low Impact, and Great for Longevity

By Erin Bunch

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This Is the Hardest Barry's Bootcamp Workout—And I Crushed It

By Dominique Michelle Astorino

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The One Thing You Can Do To Make Sure Your Push-Ups *Really* Work Your Arms

By Saanya Ali

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'I'm a Tennis Pro, and This Is How To Improve Your Agility On and Off the Court'

By Kara Jillian Brown

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Science Just Gave Us the Magic Number of HIIT Sessions To Do per Week

By Zoe Weiner

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15 Minutes Is All You Need To Strengthen Your Arms and Abs

By Jess Freedman

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This Sandbag Workout Will Light Up Your Core Even More Than Dumbbells

By Allie Flinn

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Heavy Bag Workouts Are One of the Best Ways To Relieve Stress (Because of All the Punching)

By Allie Flinn

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This 15-Minute, Beginner-Friendly HIIT Workout Is Completely Customizable To Fit Your Needs

By Jess Freedman

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6 Cordless Jump Ropes That Let You Get Your Heart Rate Up Without Worrying About Breaking S**t

By Kara Jillian Brown

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9 Rope Exercises That Make You Break a Sweat While Building Major Strength

By Jessica Estrada

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Test Your Full-Body Strength With This 7-Day Fitness Plan

By Ashley Joi

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Yoga HIIT Is the Best Way To Get Your Daily Dose of Strength Training, Stretching, and Cardio at the Same Time

By Zoe Weiner

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The 5-Minute Workouts That Give You the Most Bang for Your Buck

By Tehrene Firman

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Build Lower Body Strength With This 7-Day, Equipment-Free Functional Fitness Plan

By Ashley Joi

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Women running and exercising their upper body

The Bodyweight Arm Workout Plan That Will Also Sneak In a Whole Lot of Core Work

By Ashley Joi

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This 10-Minute, Full-Body HIIT Workout Will Engage Your Muscles From Head to Toe

By Jess Freedman

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More Americans Than Ever Plan To Work Out in 2021, and At-Home Fitness Is Helping the Cause

By Tehrene Firman

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Start Your New Year Off Strong With This Core-Centric, Equipment-Free Movement Plan

By Ashley Joi

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Raise Your BPMs to Brand-New Heights in This 20-Minute Killer HIIT Boxing Workout

By Kells McPhillips

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Trainers Rank the 6 Hardest Abs Moves With a Hurts-So-Good Payoff

By Tehrene Firman

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Jump Rope vs. Running: The Cardio-Revving Benefits of Jumping Rope

By Zoe Weiner

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Take Your Basic Jumping Jacks Up a Notch With These 5 Heart-Pumping Variations

By Jessica Estrada

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This Full-Body Cardio Interval Workout Turns Today Into Arms, Abs, *and* Leg Day

By Rebecca Norris

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Keep Your Arms Guessing With This Never-Been-Easier Workout Playlist

By Tehrene Firman

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The ‘C-Crunch Rock’ Instantly Sets Fire to Your Core With a Twist

By Tehrene Firman

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A Boxing Coach Recommends the Best Equipment for All Your Home Workouts

By Tehrene Firman

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This Plank-Push-Up Hybrid Is the Hardest No-Equipment Move in the Gym

By Tehrene Firman

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This Banded Push-Up Is The Hardest—And Most Effective—Full-Body Move You'll Ever Try

By Zoe Weiner

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This Stability Rebounder Workout Puts Your Balance to the Test

By Tehrene Firman

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The Best Fitness Tech To Buy at Walmart's Major Sale, From Apple Watches to Treadmills

By Kara Jillian Brown

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This Combination of Workouts Activates All the Right Muscles for Better Posture

By Tehrene Firman

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The Only Equipment You Need for These Slider Workouts Is a Pair of Socks

By Tehrene Firman

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This Low-Impact Cardio Workout Redefines 'Power Hour'

By Tehrene Firman

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This 20-Minute Cardio Rebounder Workout Is Super Bouncy and Fun

By Tehrene Firman

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Side Push-Ups Target Your Triceps Like No Other Variation

By Tehrene Firman

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The 11 Best Cardio Core Exercises, Ranked—And There's Not a Sit-Up in Sight

By Tehrene Firman

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This ‘Juggling Plank’ Is the Hardest Upper-Body Exercise You'll Do All Week

By Tehrene Firman

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This 25-Minute Lower-Body Resistance Band Workout Hits Every Hard-To-Reach Muscle

By Tehrene Firman

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26 Workout Moves Trainers Say You're Always Doing Wrong

By Tehrene Firman

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Feel the Burn Like Never Before With This 25-Minute Upper Body Circuit

By Tehrene Firman

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You Just Need 25 Minutes and Two Dumbbells for This Full-Body HIIT Workout

By Kells McPhillips

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Work Every Muscle in 20 Minutes With Nothing But a Resistance Band

By Tehrene Firman

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This 15-Minute Workout Targets Every Angle of Your Core—And There's Not a Crunch in Sight

By Kells McPhillips

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The ‘Pop Squat Twist’ Sculpts Your Booty and Obliques at Once

By Tehrene Firman

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The 'Flying Bird Dog' Works Every Muscle in Your Core *and* Your Butt

By Tehrene Firman

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The Iranian Half-Moon Push-Up Hits Your Core Muscles the Hardest

By Tehrene Firman

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Mastered the Push-Up? Here Are 6 Exercises That Take Your Strength to the Next Level

By Tehrene Firman

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Everything You Need to Know About Your Heart Rate and HIIT

By Lindsay Tigar

Found: The Lower Body HIIT Workout That's Just As Effective As (But *Way* More Fun...

By Kells McPhillips

The Taylor Swift Workout Playlist With New Songs You Need To Pump Up (and Cool...

By Tehrene Firman

The Hardest Workout You Can Get in 25 Minutes Is This Double HIIT Session

By Kells McPhillips

You'll Break a Sweat Fast With This 1-Hour Resistance Band Workout Playlist

By Tehrene Firman

7 Anything-But-Boring Workouts You Can Do With a Pair of Dumbbells

By Tehrene Firman

This 15-Minute HIIT Ab Workout Will Fire Up Your Core—All 360 Degrees of It

By Kells McPhillips

You'll Start Sweating Just Minutes Into This 1-Hour HIIT Workout Playlist

By Tehrene Firman

How To Do 10 of the Most Fundamental HIIT Exercises With Perfect Form

By Rachel Lapidos

This 20-Minute HIIT Series Gives You a Taste of NYC's Hardest Workout

By Kells McPhillips

The 7 Hardest No-Equipment Exercises, Ranked

By Tehrene Firman

This Tough Cardio Ladder Workout Squeezes 60 Minutes of Work Into 10 Minutes

By Kells McPhillips