We've all been there: obsessed with one specific workout, whether it's a so-hard-it-hurts HIIT class, a makes-your-bod-rock ...

High-intensity interval training is one of the best ways to pack a lot of exercise into a short period of time. HIIT workouts are so efficient because they alternate short bursts of very intense ...

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

As important as it is to strength train, cardio also has its place in a balanced workout routine. “Doing cardio keeps your ...

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 ...

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