Fitness

What happens to your body if you do a side plank every day for a week? Here's what happened when this writer tried it.

What is the "hot girl walk" and why should you try it? Our fitness editor tries TikTok's latest exercise obsession.

What is the Taylor Swift treadmill Strut workout? Here's everything you need to know.

What happens to your body when you do 100 calf raises for a week? What are the benefits of calf raises and the different variations to try?

These are our picks for the best treadmill deals and sales available right now.

Ryan Gosling ab workout - how did Ryan Gosling build his abs to play Ken.

Nike Air Zoom Alphafly Next% 2 — price, release date, and what is new in Nike's super shoe.

Peloton in person classes are coming back — I took a Live DJ ride with Cody Rigsby at the new Peloton Studios in New York City. Here’s what it was like.

How to do flutter kicks ab exercise and what happens if you do 100 flutter kicks a day for a week.

Here's what happened when our fitness editor tried The Rock's arm and ab workout in the gym.

Hydro Flask sales can be found everywhere this time of year. We're rounding up today's best deals.

Exercise bike deals make it more affordable to get in shape. Here are today's best exercise bike deals for all budgets.

Here are all of the latest updates coming to the Apple Watch workout app with watchOS 9 and what this means for runners.

The best hikes in the Yellowstone National Park according to an expert guide. Where to hike in Yellowstone.

I tried Miles Teller's Top Gun bodyweight workout — here's what happened when our fitness editor did Miles Teller's workout.

How should hiking boots fit, and what should you look for when buying a pair of hiking boots? Here's all the information you need.

What are the best hikes in Yosemite National Park? We ask a park insider for more information

When it comes to Peloton vs. NordicTrack exercise bikes, there are a few things to consider.

When does the Garmin Forerunner 255 go on sale, how much will is cost, and what new features does it have?

The best Garmin deals for runners, swimmers, fitness buffs, and newbies alike.

I tried Jennifer Aniston's 15-15-15 method for a workout and this is what happened.

A Peloton bike can do so much more than cycling classes. Here are 8 ways to get more out of your Peloton.

I did 100 lunges a day for a week — here’s what happened. The benefits of lunges, and what happens to your body if you do lunges every single day.

What is the Murph CrossFit WOD? Here's what you need to know about the Murph workout, and how to modify it .

How to engage your core, why it's important, and how to tell if you're not doing it properly.

What happened when we tried a TikTok ab workout with 2.5 million views.

Our fitness editor tried Chris Hemsworth's 800 rep barbell workout. Here's what happened.

We asked Chris Hemsworth's trainer for the best ab exercises, how often you should work your abs and how to engage your core.

These exercises will target your glutes better than doing a squat challenge.

Read what happened when our fitness editor tried Kumail Nanjiani's arm workout used in the run-up to the Eternals film.