Skipping leg day is a non negotiable, but sometimes an hours workout just isn’t doable, even 45 minutes can be a stretch. That’s where this high intensity resistance training (HIRT) workout comes in – ...

The purpose of high-intensity interval training (HIIT) is to challenge the body by frequently changing the intensity of the exercise and the type of movement you are doing. For example, adding a set ...

Leg day doesn't have to last a long time — just ask ACE-certified personal trainer and Under Armour trainer Ariel Belgrave, who created this 20-minute lower-body HIIT workout. The session is part of ...

High-intensity interval training (HIIT) workouts have emerged as an effective and efficient solution for burning calories and improving fitness from the comfort of your home. This type of training, ...

High-intensity interval training is an accessible workout program that can work for all types of people and can be done with or without equipment. The program can have weight loss and other health ...

HIIT workouts can boost your metabolic rate (helping you burn more calories throughout the day). And science backs up this ...

Hedy Phillips is a freelance lifestyle writer based in New York. While she's not writing on topics like living on a budget and tips for city dwelling, she can usually be found at a concert or ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Want an exercise program that helps you work out smarter, not harder? You've found it. The Women's ...