For a program to be most effective, Washington recommends sticking to it for at least four to five weeks before changing it ...

High-intensity interval training, or HIIT, is a great way to get in a fast, effective workout. This quick routine is helpful ...

Here's everything you need to know to get started packing on muscle with dumbbells, kettlebells, and barbells.

Hypertrophy is the increase in size and volume of muscle cells through a specific type of resistance training. Trainers ...

I saw—and felt—palpable strength improvements from completing four weeks of this program. I started with lighter weights than ...

Strength training might be intimidating and seem like it’s just for people who grunt in squat racks or live in gym clothes. But the truth is, strength training is for everyone. It’s one of the ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? My name is Cori Ritchey, and I am an exercise physiology nerd turned fitness ...

When you cross the threshold into the holy place that is the gym, you probably get into your usual rituals right away—and that's fine. But here's the thing: By charging into a workout without the ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." My name is Cori Ritchey, and I am an exercise physiology nerd turned fitness journalist, and the fitness ...

When you lift heavy over time, you build reserves of strength. You accrue power for now, and also for later. It requires ...