"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." As a physical therapist and strength and conditioning specialist, I’m all about finding fitness solutions ...

True story: You don't need a lot of time to squeeze in a decent sweat sesh. In fact, research shows that high-intensity interval (HIIT) workouts that last for as little as 10 minutes are more ...

Question: I perform a circuit weight training routine. I try to keep my heart rate in my training zone between machines, but it falls down at times. How important is it to keep my heart rate up during ...

Knee surgery a few years ago robbed KING 5's Tracy Taylor of her strength, so that became her focus for the Get Fit challenge. When Dr. Emily Cooper first tested Tracy, Tracy's cholesterol was high, ...

The fitness industry and its influencers have long preached toxic ideas of what a cardio workout needs to look like in order to “count”: that you have to burn a certain number of calories, feel ...

Here's the short answer: Cardio—short for cardiorespiratory training—refers to any exercise that creates such an energy demand on your system that it elevates your heart rate and gets your blood ...

This is not your normal leg day, as we mix in some muscle stamina work along with strength training. Although it is more a strength and endurance workout, we call it the "spec ops leg day" when we add ...