You don't need hours at the gym with weights or endless sit-ups to strengthen your midsection. Instead, you can build core strength in as little as 10 minutes without even getting down on the floor.

Welcome to a high-energy ab workout that will leave you feeling strong and sculpted. High-intensity interval training (HIIT) is the perfect blend of cardio and strength training. When you focus on ...

"The results were bigger than I expected." ...

Challenge your core and cardio skills with this 10-minute HIIT workout led by fitness trainer Natalie White. She's joined by class members Luisa Fonseca and Madisyn Maniff for this high-energy cardio ...

Confession: Despite my lengthy career as a fitness journalist and being well-versed in the health benefits of a strong core, I have not been consistent with training my abs for a while. (Hi, holidays ...

All you need is a set of dumbbells.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Adding some of the best ab workouts for women into your routine is an effective way to strengthen your ...

Presented by Athleta, this HIIT workout is basically a guaranteed confidence boost. Celebrity trainer Amanda Butler leads you through two different rounds of full-body interval training, helping you ...

High intensity workouts are a great way to get in some fast exercise. Here’s one to get started with. High intensity workouts are a great way to get in some fast exercise. Here’s one to get started ...

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 ...