If you dread cardiovascular/aerobic training or are simply bored with the 30- to 45-minute routine you've developed on the treadmill, stationary bike, rower or elliptical, then we've got good news for ...

Cardio is more than just running laps or hopping on a bike. It's any movement that gets your heart pumping, your body sweating and your energy levels soaring. Whether you're chasing a weight loss goal ...

If you want to boost your cardio fitness, you’ve got two ways to level up your workouts: push harder or faster, or keep at it for longer. Each option comes with its own challenges. The first can ...