Directions: Perform each exercise for 30 seconds, and repeat. Cool down with a few minutes of stretching (find inspiration here). This cardio move is great for runners; it not only works the lower ...

They’re so easy to incorporate into your week.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Whether you want something that’s easy on the joints or to help support your glute gains goals, stair ...

If you like full-body workouts that focus on pull-push-legs-core, this circuit of these fitness components will challenge you, especially if you go heavy on the lifts and push your maximum on the ...

Depending on your fitness level, you can use this to get started or give yourself an easy day. This workout gets the heart pumping and works the entire core system (from hips to shoulders), which is ...

This core cardio energizer is an effective fat-loss shock to the system that is perfect for your cardio days or when you're just not feeling up to lifting. You'll feel like a sweaty, accomplished mess ...

It's well established that regular aerobic activity (cardio) is associated with lower mortality across the human lifespan. Less understood is the role that muscle-strengthening exercise (MSE), such as ...