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Electric muscle stimulation claims to be a more efficient form of exercise. Here’s how it holds up.

Elevate your strength routine with this effective, versatile tool

Working stabilizer muscles can lead to big gains in and out of the gym

Looking to level up? Get started with this inexpensive, four-move routine.

What you should know about safely returning to sports after pregnancy

The humble plank is the single most effective training exercise for your core musculature

Round out your training routine with exercises to help build explosive strength

Three full-body movement progressions on the parallettes that you can do at home

It breathes and wicks sweat better than any other midlayer I’ve tested

A creative, challenging at-home circuit to get you fit, no matter your sport

The company's library of studio exercise classes, integrated with on-screen fitness data from your Apple Watch, launches today. Our Sweat Science columnist takes it for a spin.

Bust your gut like the gold-medal-winning cross-country skier

This three-move bodyweight routine is all you need to improve athletic ability

How the practice continues to comfort the former big-wall climber after a life-changing spinal injury

How does it compare against the competition? A guide finds out.

Use tempo and isometrics to improve your bodyweight routine

Put that bouncy desk chair to work with this full-body strength routine

You can do more with this simple training tool than you think

Train from the safety of your living room with this versatile, effective equipment

To perform the ultimate lower-body move, you need to follow this progression

Miss your go-to barre studio or lifting weights at the gym? Bring some structure into your living-room workouts with these videos that are �����ԹϺ��� tested and approved.

From ballads inspired by outdoor adventures to neighborhood sing-alongs, the Okee Dokee Brothers' new album makes staying home with kids more fun

Inversions might seem intimidating at first, but the handstand pose is an attainable goal for any active person with the right mindset

This simple piece of gear will keep you fit—and from punching holes in the walls—during quarantine

Build strength, train cardio, and break a sweat at home with minimal equipment

8 minimalist strength exercises from alpinist Anna Pfaff, for when you're waiting out the weather—or a pandemic

Sitting all day wreaks havoc on the body. Here's how to reset and recenter.

If you're cooped up indoors and looking to move your body, try one of these routines

This exercise routine from legend Robert Killian focuses on functional strength and mobility, you can do it almost anywhere, and little to no equipment is required

One of the best boulderers of the 1990s is climbing into her fifties

Cross-training is key for improving performance, recovery, and resilience, whether you're running on the road or on the trail

Outdoor athletes suck at squatting. Here's how to fix your form.

10 exercises to make you strong, fast, and explosive on the hill

Yoga inversions are easier—and more useful—than you might think

This basic, effective workout will build functional strength in key arm muscles

Ten moves to improve strength, running economy, and resilience for the road or trail

Add these nine moves to your gym routine

A strong back is key to just about every sport—and can help you out even when you're deskbound

7 exercises to improve strength, stability, and resilience for the trail

Alyx Walkinshaw from Railyard Fitness in Santa Fe shows us how to do seven of the best oblique exercises

This summer, get your kids off the couch and get swole

Resistance bands offer the best bang for your buck, challenging little-used muscle groups that make a big difference

The weight room doesn't have to be overwhelming. Here's everything you need for a successful lifting practice, plus a foundational total-body workout to get you started.

Your head is pounding, your muscles are cramping, and your heart is racing. Then you get dizzy and the vomiting starts. Heatstroke kills thousands of people every year. This is what it feels like—and how to know when you’re in danger.

Exertional heatstroke can cause devastating damage, but it can also be treated quickly

Don't be a kook. Here's a crash course in surf etiquette.

Silicon Valley’s latest foray into fitness tech offers a new way to measure up

Build a foundation of comfort with these technical next-to-skin garments

Stave off injury and get your body ready for what’s next

Soft, breathable, and light—ideal for running and backpacking in cool temperatures

Any type of athlete can steal these moves

Jeff Lenosky travels the U.S. knocking out mountain biking's toughest trails. Here's how he stays fit.

It's the world's most convenient workout. And the possibilities are endless.

Side abs are critical to your overall core strength—don't neglect them.

The simple system is all you need for an effective full-body workout

Skiing is a dance. We consulted a pro skier and former ballerina to find out how to train for it.

Never underestimate the power of this simple fitness tool

Make your way down, across, and, yes, even up the mountain with these premium planks

Jenni Gritters, a Power Vinyasa yoga teacher, walks us through nine common poses

We don’t need no stinking sleeves

Build a better butt to carry you through any activity

Turn your hands into powerful tools

If you pick the right class, it's an invaluable tool for building strength, flexibility, and resilience

Your foam roller can do much more than just release tight muscles. Use it to strengthen and tone your whole body.

The (surprisingly affordable) tools they use to build strength, power, and stability

If your only exposure to Canada Goose has been an abundance of black parkas on the New York City subway, this rant is for you

Make 2018 the year you actually follow through

Build up your back muscles to gain power and prevent annoying aches

If you don't already own a vest, check this one out

A new case study digs into the medical records of a lost diver's incredible survival story

Most gyms have more to offer than a big wall

Five exercises that will guarantee you have the strength to adventure all weekend, well into your eighties

It's not just an upper-body exercise. Nail your form, then try these variations to improve your stability and strength from head to toe.

Simplify your mobility routine

Nail the basic form, then ramp it up with these five creative variations for better, stronger results

Master this basic move to build a strong core and stabilize your movement