BUILDING UP YOUR body isn't as complicated as you might think. Over-involved fitness routines might have discouraged you from taking to the gym in the past—but if you're ready and willing to put the ...

Build strength and tone your shoulders with this 15-minute dumbbell workout! Perfect for all fitness levels, this quick and ...

Arm exercises with weights are are a guaranteed way to build upper-body strength, but which ones should you go for? Whatever your fitness MO - whether you're an avid gym workout lover or home-workout ...

Beth Skwarecki is Lifehacker’s Senior Health Editor. She has a bachelor’s degree in biology, has written two books, and is a certified personal trainer. She’s been writing about health, fitness, and ...

There’s no doubt about it, stronger glutes can make a stronger runner. And all runners need strong glutes—not just sprinters. By building up this key muscle, distance runners can gain improved ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty Images If your goal is building a bigger back to fill out your t-shirt, then the ...

The core gets a lot of attention when it comes to aesthetics. But your torso muscles—which include your abs, back, glutes, and hip flexors—play a crucial role in running that goes way beyond looks.