"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." The minute I stepped into Housework, a house music-inspired workout studio in New York City, I knew my ...

Discover what one HIIT instructor got out of her 30-day yoga challenge results, including both physical and mental benefits. For someone who loves engaging in deep, audible sighs throughout the day, ...

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 ...