YOU KNOW YOU need muscle... and you need to burn calories. Everyone needs more strength, too—and we can all use a little more athleticism. But you don’t have hours upon hours upon hours to chase all ...

Cardio is more enjoyable when you can take a run in a beautiful location or take your time riding your bike around. However, that's not always an option. This is why high-intensity interval training ...

Add Yahoo as a preferred source to see more of our stories on Google. Want an exercise program that helps you work out smarter, not harder? You've found it. The Women's Health+ Ultimate HIIT Challenge ...

Want an exercise program that helps you work out smarter, not harder? You've found it. The Women's Health+ Ultimate HIIT Challenge is a week-long program that combines high intensity interval training ...

Sweat smarter to get stronger anytime, anywhere.

Nick Blackmer is a librarian, fact-checker, and researcher with more than 20 years of experience in consumer-facing health and wellness content. Doing HIIT workouts can improve your cardiovascular and ...

Steady-state cardio focuses on keeping a consistent, moderate pace, while HIIT uses short bursts of hard work and short bursts of rest. Steady-state cardio is easier to sustain and may lead to more ...