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High-Intensity Interval Training
Do You Have to Do HIIT to Be Fit?
Expert trainers' answer might surprise you.
How to Do a Hot Sauce Burpee, the Hardest Burpee Variation You'll Ever Attempt
Ever heard of the hot sauce burpee? You'll never look at the spicy stuff the same way again.
This 20-Minute HIIT Running Workout Builds Speed In 4 Weeks
Personal record, on deck.
The No-Jumping, Apartment-Friendly HIIT Workout That Won't Piss Off Your Neighbors (Or Your Knees)
Translation: No burpees.
Is It Possible to Do Too Much HIIT? A New Study Says Yes
A new study says less is more.
Here's What You Should Be Eating After a HIIT Workout
Learn how to refuel after a killer sweat.
This Bodyweight Tabata Workout from Shaun T Is the Ultimate HIIT Routine
Get right to the point with these heart rate-boosting exercises.
The One Trick for Getting More Out of Your HIIT Workout
These mental tricks from Jen Widerstrom will transform your workouts.
This 20-Minute HIIT Tempo Workout Plays with Speed In an Insane New Way
Alternating between painfully slow reps and explosive bursts is the workout upgrade you didn't know you needed.
This 10-Minute Circuit Might Be the Hardest Cardio Workout You Ever Do
All you need is a box or step—and a lot of determination.
The F45 Training HIIT Workout You Can Do In Any Gym
Prepare to sweat your *peach emoji* off
How Self-Care Is Carving a Place In the Fitness Industry
More gyms and fitness studios are starting to prioritize overall well-being.
7 Weight-Loss Tips to Burn More Calories After Every Workout
Train harder, not longer.
The 10-Minute Low-Impact HIIT Workout for Beginners
FYI, low-impact doesn't necessarily mean easy.
How to Boost Your Metabolism Using Just a Pair of Dumbbells
This inspired approach to intervals will have you racing for recovery time.
Do the Risks of HIIT Outweigh the Benefits?
Some experts are taking issue with America's favorite workout.
This 20-Minute Total-Body HIIT Workout Will Have You Dripping Sweat
All you need are 20 minutes and a mat.
7 Cardio HIIT Exercises That Burn Fat and Reduce Stress
This hard AF workout is worth the sweat.
Common CrossFit Mistakes Most Beginners Make (and How to Avoid Them)
If you want to make WODs a part of your fitness life, then listen up.
The Advanced Bosu Ball HIIT Workout That'll Make You Feel Like an Athlete
Bust out of your usual workout bubble
This Tabata-Strength Circuit Will Help Boost Your Metabolism
You've never gotten such a good workout in under 30 minutes.
What's the Difference Between HIIT and Tabata?
Test your fitness brain power and learn some workout tricks, too.
Agility Cone Drills That'll Skyrocket Your Speed (and Calorie Burn)
Nothing beats cone drills for boosting coordination while burning big calories
The Strength HIIT Workout with Triple the Body Benefits
This triple-threat workout from celeb trainer Chase Weber will refresh your idea of how hard HIIT can be.
Your Favorite Bachelor Contestants Spill the Secrets That Help Them Look Fit On TV
And no, it's not just drinking Flat Tummy Tea.
CrossFlowX Is the HIIT Yoga Workout Mash-Up That Will Rock Your Asana
And you thought yoga was easy... LOL