Simply put, a stress test shows how your heart behaves when you exercise—even when there is stress in training . If you hit the battle ropes or the watt bike, your heart rate will skyrocket, causing ...

It's time to slooooow down. If most of your workouts include quickly trying to squeeze in as many reps as humanly possible before your muscles fatigue, there's a better way to get results. It's time ...

Time is an abstract concept, but it is your friend during a workout. It can become your best gym partner if you have the patience to learn how to use it as a tool. After all, unlike a gym buddy, you ...

Hill tension intervals are a useful training method I implement with endurance athletes to help recruit more fast and forceful muscle fibers. Essentially, this improves neuromuscular capabilities, ...

With an Instagram following of more than 215,000 and a YouTube subscriber count nearing half a million, online fitness coach Charlie Johnson is accustomed to aspiring gym bros eyeing his every curl, ...

Most people think of bicep curls as a simple lift. Grab a dumbbell, curl, repeat. But real bicep training goes much deeper than that. Strong biceps stabilize your upper body during pressing movements ...

Sebastien Lagree is a celebrity trainer whose fans include Meghan Markle, Jennifer Aniston, Sofia Vergara, Karlie Kloss, Michelle Obama, and Calvin Harris. His training method is all about focusing on ...