Writer Renee Cherry tried the five most-viewed YouTube workouts for one week. Here's her honest review of each workout, and ...

A 6-minute focused core and cardio training workout that can be done anytime, anywhere. Perfect for beginners, busy days, or as a quick finisher. Part of a new No Intro Series, this workout features a ...

For many guys, an elevated heart rate elevated isn't the best part of going to the gym. But cardio is still worth doing for health and longevity.

Cardio exercises like swimming, HIIT, walking, cycling, jumping rope can strengthen your muscles, reduce body fat, and help ...

Once you have a cardio routine you can stick to, start by building up to 30-minute workouts you can sustain at ...

"The American Heart Association recommends at least 150 minutes of moderate-intensity exercise per week or 75 minutes of high ...