The Three Most Effective Interval Workouts

When it comes to cardio, high-intensity interval training gives you the biggest bang for your buck: a short sprint-based workout improves your health as much as a longer, low-intensity slog. But should you pick the workout with the 20-second bursts or the one that has you sprinting for three minutes? Here’s how to choose.

The Best Workout Program Is The One You Actually Enjoy

We’ve written about a lot of workout options here on Lifehacker: from quickie options to gamification theory. But the best workout of all, according to experts, is simply whichever one you enjoy — because that’s the one you’ll stick with.

Learn How To Bulk Up Your Chicken Legs With These Exercises [Infographic]

If you feel self-conscious about having really skinny legs, you need to do some training to bulk them up. This infographic features 19 exercises you can do to take your legs up a few sizes.

Does Yoga Have Any Real Fitness Benefits?

Take one look at someone in Scorpion Pose and you’ll know: yoga can build strength and balance. But how does it stack up to traditional strength training — and what can’t yoga do for your body?

Improve Posture And Reduce Back Pain With A Quick Breathing Exercise

A researcher who studied the posture of people who experience virtually no back pain offers us a few exercises to get that pain-free life ourselves. One involves a simple breathing exercise, another asks us to clench our butts.

What To Look For In A Good Personal Trainer

There’s a notion that a good trainer is a like a field general: someone who will “whip you” into shape. But that’s not the case. If you hire the person who most resembles a general, you may find yourself a casualty in the battle of the bulge. Here’s what you should look for when choosing a good trainer.

How To Properly Carb Load Before A Race (If You Even Need To)

Ahh, the pre-race pasta dinner. It’s not just an opportunity to bond with fellow athletes, it’s also the last remaining excuse to think of spaghetti as health food. Carb loading isn’t necessary for everyone, but if you’re one of the people who will benefit, it’s time to learn the right way to do it.

Why You Should Go For A Walk When You Need Creative Inspiration

You know the scenario. You’re looking for a creative idea and it’s just not coming. Inspiration isn’t exactly cooperative. If you’re in need of an idea and don’t have time to set yourself up for inspiration, try going for a walk.

Water Aerobics Is Tougher Than It Looks (and Feels)

Don’t let the foam dumbbells fool you: water aerobics can kick your butt. Because it’s low-impact it is beloved by injured athletes and old folks, but the workout scales to the effort you can put in. Marines even use it, and call their version “tougher than running.”

Get Some Of The Benefits Of Trail Running Without Leaving The City

Running on trails works your foot and leg muscles in a way road running doesn’t, but it’s possible to mimic some of the benefits of the trails without leaving your urban hometown — you just have to get creative.