Working out on an empty stomach can build muscle and strength
There aren’t many fitness topics as controversial as this one question: Is it bad to work out on an empty stomach? Here, Greatist dismantles some old myths, once and for all.
How to Choose a Personal Trainer
To find your match made in gym heaven (and guarantee you get the results you want), start by answering these 8 questions.
Greatist Full-Body Warm-Up
Do these 5 simple moves to get your heart pumping and prepare your body to own your workout!
Olympic Skier Julia Mancuso
Alpine skier Julia Mancuso agreed to share a day-long food diary, complete with smartphone snaps of every meal and snack she ate. Spoiler alert: It's not as much as you'd think!
What if Everybody Ran?
What if everybody ran? Athletic apparel company Mizuno partnered with scientists at the University of North Carolina to find out what a nation of runners might look like, and the results are pretty incredible!

If spending hours in the gym each week seems a bit unrealistic, consider these scientifically-backed tips to hack your way to a better workout — fast!


Eat More Move Less
Frustrated with traditional (and ineffective) fitness and diet advice, entrepreneur Julie Fredrickson decided to forge her own path to health and happiness.
The 65 Best Health and Fitness Apps of 2014
Mobile apps continue to revolutionize the ways we run faster, get stronger, sleep more, feel calmer, and eat better. From the fun and zany (zombies!) to the scientific (food allergies!), here are the top 65 in health and fitness. Best yet: Most of them are free.

That level belt cut may not cut it. Find out if we need to put the treadmill on an angle in order to get in a good workout.

It’s time to kick that fear of weights to the curb. With some help from our experts, we tested two newbie-friendly strength training programs— minus the intimidation factor.

Every weekend the Greatist team gets together to put a new workout to the test. This week’s? CrossFit!

Guest contributor JC Deen talks to athletes and trainers for tips on making health & fitness complement— and not hinder— our busy lives.