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Do the Risks of HIIT Outweigh the Benefits?
Some experts are taking issue with America's favorite workout.
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.
Yes, You Should Work Out Differently As You Get Older
Your fitness routine should change as you age, experts say.
Please Stop Mansplaining to Me at the Gym
What were you saying? I'm sorry, I can't hear you over the sound of my awesome.
How to Find the Best Personal Trainer for You
Meet your match.
An Open Letter to Every Runner Who Thinks She Can't Run Long Distances
This is an open letter to all you runners who think they can't do long distances.
Why Focusing On One Thing Will Make You a Better Athlete
Why simplifying your workouts will yield better results.
The Science Behind the Afterburn Effect
It's said that your body will burn calories and fat for days after a tough HIIT workout.
The #1 Way to Get More Out of Your Spin Class
It's easier than you think.
The Tips You Need to Boost Your Fitness and Conquer Any Workout Challenge
Ace your race, nail a pull-up, or check off that body goal—this is your ultimate guide
What It *Really* Means If You Like Working Out In the Morning vs. Night
And more weird things your exercise schedule says about you
Gunnar Peterson Shares the Best Way to Lose Love Handles
Celebrity trainer Gunnar Peterson serves up a plan you can actually follow.
Science-Backed Ways to Push Through Workout Fatigue
Turns out your body is a lot stronger than you think
6 Ways to Make Your Workout Feel Easier
For when you just. can't. even.
Do You Need a Workout Detox?
It'll benefit your muscles <em>and</em> your mind.
This Could Be the Secret to Your Best HIIT Workout Ever
Your HIIT workout may be missing a key element, and it has nothing to do with how much you sweat.
I Exercised Like My Wife for a Month...and Only Collapsed Twice
What's it like being the only guy in a fitness class full of women? As one man learned, that's not the hard part.
Why You Get Heartburn When You Exercise
When "feel the burn" takes on a whole new meaning.
Injury Prevention Tips for Easy-to-Screw-Up Exercises
Top experts share their tips for making your go-to moves safer and stronger.
The Ultimate Workout for a Flat Stomach, According to Science
Sweating on the treadmill may not actually be the best way to score flat abs, but a new study shows which workout is.
5 Pieces of Exercise Equipment Trainers Hate
Not all fitness equipment is created equal. CrossFit trainers share which machines they hate the most, and their favorite alternatives.
The 5 Exercises Most Likely to Cause Injury
If you're doing them incorrectly, that is! Perfect your form, prevent injury, and build strength faster with these fast fixes to common but important moves.
The Best and Worst Barre Exercises
Choose the right moves to lift your seat and lengthen your body so you look like a dancer, no ballet slippers required.
3 Reasons You Don't Lose Fat
The secret to melting off your middle? Start working out more like a man! Here's why.
20 Fitness Lessons Learned the Hard Way
Trainers, athletes, and readers share their faux pas so you don't make the same mistakes.