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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.
6 Imbalances That Cause Pain—and How to Fix Them
Hurting when you exercise? Something could be uneven, and you may be able to fix it!
How (In)Accurate Are Calorie Counters at the Gym?
Find out which cardio machines dramatically stretch the truth.
3 Common Fitness Wardrobe Malfunctions and How to Prevent Them
Even tennis star Venus Williams suffers wardrobe malfunctions once in a while. Here are 3 tips on how to prevent them.
7 Common Muscle Myths, Busted!
Learn the truth to help sculpt the lean, toned body you've always wanted.
Almost Half of Runners Drinking Too Much During Races
Researchers recommend runners only drink when thirsty.