“There’s an almost inverse relationship between endurance training, which increases an athlete’s working capacity, and power training, which includes short, fast efforts that increase peak performance ...

Is your workout too easy? Challenge yourself to get more fit and age better. The more you exercise, the easier it gets. That’s why, at some point, you may need to power up your workouts. It’s ...

When you can't make it to the gym or don't have access to fitness equipment, you can still get in a heart-pumping, sweat-dripping, muscle-burning workout. Choose from one of these 51 workout videos ...