Swimming is a non-impact, non-weight-bearing cardiovascular exercise. This makes it particularly valuable to people who are obese or have range of motion issues.

If you're new to running, you probably have a thousand questions. Get the basics down and you'll learn as you go.

Even if you've been running for years, you still might be making one of the 12 common running mistakes. Here's how to fix them.

Tights come in a range of weights and textures, and offer varying degrees of stretch and support. Here's a guide to choosing the right tights depending on your workout.

You may not have a ton of control over where you live and where you work, but one thing you likely can change is making your commute more active. Here's how:

The best fitness-friendly underwear wicks moisture, stays put and is so comfy you forget they’re there. Here are some top tips for choosing the perfect pair.

“The Simpsons” writer Joel Cohen — who has made a career writing about donuts — joins LIVESTRONG.COM editor Erin Mosbaugh to talk about marathons and fartleks.

These Hollywood boxer babes know how to roll with the punches — both inside and outside of the ring.

There are a few different factors that play a role in figuring out how many steps it takes to walk a mile. Here's how to figure it out for yourself.

The red card signals that a player has committed one of the most serious offenses in the game or that he has received two cautionary yellow cards during the game already. If you receive a red card there will be serious consequences for you and your team.

The Philly shell is a riskier defense that sacrifices some coverage for the ability to counterpunch more swiftly. It requires a lot of practice before it can be used successfully in a fight.

Listen, I’ve been training guys for decades. Some are NFL players and MMA champs, others have been scrawny high schoolers. But for all of them, one thing has been true: Everyone wants to have bigger arms.