�����ԹϺ���

My buddy and I have a bet going. He says snowboarding burns more calories, I say downhill skiing does. Who's right?

It’s not just for elite athlete. Training alone—in the right dose—will make you a faster and more resilient athlete.

Because even a great pair of socks can make getting fit more doable

Sign up for a midnight fun run on New Year's Eve—and kick ass. Here's how.

How a man wrongly convicted for murder spent nearly a decade in prison—and emerged as a fitness guru.

Turns out the spin bike is the key to getting—and staying—fast

Strength is useless if you don't hone your agility—the skill of translating power into meaningful movement. And it all starts with mastering the "Kong vault."

More than 76 years ago, a visionary Australian coach had an epiphany that forged a generation of super-athletes: true fitness is all about translating fear into raw power.

One of the most surprising heroes of World War II was a pint-sized shepherd nicknamed The Clown—and his fitness wisdom can change your life.

Ill-chosen goals put you at risk of injury and burnout. Here's how to avoid that fate in seven easy steps.

What can you learn by chucking tempered steel blades into a target? Performing to potential is all about trusting your instincts.

When a longtime triathlete took on a Kokoro camp—a beyond-extreme fitness challenge modeled on the Navy's Hell Week for SEAL candidates—his first question was purely about the pain: Can I survive this? The second was more metaphysical: Should I even want to?

For years, it seemed like drug testers would never get ahead of cheaters. The Russian bribery scandal raises an even scarier possibility: the testers are dirty too.

The two-time Olympian will lead the women’s national squad to the 2015 World Cup—and share her secrets to unleashing athletic potential.

More pain quest than workout, misogi is the secret, punishing ritual that has revolutionized Atlanta Hawks supershooter Kyle Korver's game. You have time for this—if it doesn't kill you first.

My heart feels like it skips a beat every once in a while, especially during exercise. Is this something I should get checked out?

Yes, they're great for reducing soreness, but they could also be masking more serious muscular imbalances.

There’s a new competition raging among elite runners: the beer mile, in which you do four laps around a standard track, chugging a 12-ounce brew at the start of each loop. If you can do it in under five minutes—without hurling or passing out—you’re not just fast. You’re a hero.

5 brain hacks that will make you fitter and faster right now

Advanced screening can reduce the likelihood of sudden cardiac arrest, the most common cause of death among athletes. So why is it so controversial?

We always preach the importance of wearing a helmet while cycling. But new research suggests that the brain buckets aren't keeping us much safer—and one Olympian argues we should do away with them altogether. So what can we do to keep cyclists safe?

I know that proper form while I'm working out is important, but what about my posture the rest of the day—does that really impact my fitness level?

This ergonomist has a mission: to design an office that's scientifically proven to boost your fitness, mental health, and productivity.

Or is another mysterious condition to blame for deaths during the swim leg? A new report unveils a long-misunderstood killer.

After a five-year hiatus, Primal Quest, the most storied event in adventure racing will be open for registration this November. In an excerpt from "Rusch to Glory," Rebecca Rusch gives a detailed account of the sport's darkest day and the allure of adventure racing.

We don't know if the biohacking craze is full of snake-oil salesmen or prophets. Probably a little of both.

Getting faster means slowing down, too.

I've always heard that exercise is good for the brain, but does it actually have a real-world impact?

We're siding with the functional fitness junkies on this one. CrossFit and ultrarunning are far from disturbing, ridiculously extreme—or worth writing off.

Don't shorten your routine just yet.

I hear the whole stunt-man thing is a great workout. Is it worth incorporating into my routine?

Improve your life in five minutes or less.

Renowned physical therapist Kelly Starrett lays out movement standards for runners. Meet them, and you'll stay out of his office. Don't meet them, and you shouldn't be running.

Convince the computer you're clean and you get the Clean Protocol program's seal of approval. Any takers?

Face it, most of us aren't complete athletes. We lack the strength to make us fit, and we follow cultlike exercise programs. But there is a cure: Listen to renegade coach Mark Rippetoe, grab a barbell, and get back to basics.

Health-and-fitness publications often takes liberties (gasp!) with scientific studies. Here's why you shouldn't believe everything you read—and how to separate the facts from the slough.

Will leaping fiery hay bales amount to nothing more than an adrenaline-fueled fad? Or could it one day become an Olympic sport? That all depends on what comes next.

A handful of years ago Rachel Brathen was a cigarette-smoking, rebellious teen in Sweden. Then she moved to Costa Rica, found yoga, booted up Instagram, and became a yoga celebrity—if there is such a thing.

Or is the test they give me at the shoe store good enough?

Throw away your ice packs and ibuprofen if you want to recover right.

After a skydiving accident in October 2013 left Squaw Valley Ski Holdings CEO Andy Wirth without a right arm, he didn't quit charging. Now, Wirth lives a life of Ironman racing and adventure. As told to Gordy Megroz.

Long flights and car trips wreak havoc on my body. How can I reduce the stress of travel and keep up with my current exercise routine?

I want to see if my smartphone can make my workout better, but there are so many choices. What are some tried and true apps that I won't just delete a week in?

Don't just sit there. Get the most from your training by recovering right.

The case of Andrus Veerpalu, an Olympic gold medal winning Estonian cross country skier who was accused in 2011 of doping with human growth hormone, raises serious questions about WADA's credibility.

Numbers. Rankings. Results. The data-driven mindset is preventing us from enjoying the outdoors.

The 33-year-old triathlete is American's best hope to reclaim Ironman Kona.

The best tool for building strength is the sandbag—so long as you're prepared to suffer.

For one 41-year-old Australian triathlon champion, retiring just meant taking a break.

I hate exercising early in the morning, and I always have obligations at night. How can I squeeze in an effective midday workout?

Rule One: Don't confine your training to the gym. Movement needs to be a lifestyle. Rule Two: Don't just move. You need a goal. And you need to train.

Challenge your friends to a grueling drill-based challenge, then whoop their butts.

Sure, running five minutes a day will help you live longer, but it's not going to get you in shape—or even scrape the surface of your potential.

Should I be concerned about Vibrio vulnificus cases reported in Florida and Maryland?

Sometimes when I'm in the middle of a really hard workout, it tastes like I'm sucking on metal. Here's why.

7 hot tips from the show’s ultimate competitor, Kacy Catanzaro

Bring on the bass.

There’s a reason more and more amateur athletes are turning to professional trainers to retool their workouts: it’s the best way to improve performance.

The (unlawful) wins might not be worth what comes after.

The last time I ran a marathon, I got sick a month before the race. Is there a connection—and if so, how can I prevent that from happening again?

After an Ironman or an ultramarathon, is it better to take days (or weeks) off of strenuous exercise, or to get right back out there?

To create the next wave of super-athletes, Red Bull has turned to a novel new treatment: trickling a small electric current through the brain's motor cortex. Just don't call it electroshock therapy.

You'll never get close to the ultrarunner's 90-plus podium finishes, but his rules will help you run your best race.

In The Art of Competition, Ironman-turned-author Mark Allen gives insight into the thoughts that helped him race his fastest while living to the fullest.

When my wife and I go on long runs together, she always manages to finish strong while I fall behind. Am I just out of shape, or do women have an advantage in endurance sports?

Featuring two of the most effective but underrated fitness tools: a medicine ball and gravity.

Two brothers and a sister—whose parents are endurance athletes—attempted to swim the English Channel together this month. Does the family factor add any advantage?

When CrossFit denied our request to cover the 2014 CrossFit Games, we decided to look into the organization's long history of bullying anyone who dares to ask the hard questions—or look too closely.

Cycling is known for being low-impact. But does that mean it's bad for your bones?

The most dangerous threat you'll face while working out this summer? The heat. Here's how to beat it.

Having hiked more than 10,000 miles on epic long-distance trails, Liz Thomas is a true expert when it comes to battling blisters.

1,800 CrossFit gyms already offer programs for kids. Should they?

There's more to life than chasing definition in certain muscle groups. Maintaining a healthy weight, for instance.

The "eight-percent rule" ignores the power exercise has to counter time spent on your butt.

You don't need the gym. In less than an hour and with minimal equipment, you can have an intense workout that delivers full-body fitness, without the monthly dues.

You need nothing but a cooling pool for a core-burning, heart-rate-raising fitness session.

Serious careers? Check. Committed to their families? Check. Able to beat the pros at their own game? You know it. Five hard-charging desk jocks who manage to do it all share the secrets of their success.

Over the last five years, a lot has changed in the fitness world. But these four trends will continue to define the way you train.

They want to rethink the way we work out, build our gyms, fuel, and collect data. And they're coming for you next.

How should I schedule giving blood around my training schedule?