Basic Ab Workout for Dummies isn't available to stream, rent, or buy in your region right now. Check back soon or try a different region using the flag selector below. The film holds a 100% audience ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Do you want a strong ...

You'll need better moves to build a functional core. Here’s how you can upgrade your workouts.

What is the most effective abdominal exercise? While I have never heard one specific exercise for abs described as the "most effective," there are a few that make up the cornerstones of a good ...

It's natural to think that building strong, defined abs requires a combination of multiple days in the gym and thousands of crunches or sit-ups. But what if you don't have that kind of time to ...

Abs are often an afterthought, tacked onto the end of your workout as a few basic sit-ups. But like any muscle group, to achieve strength and definition, you’ve got to step things up to avoid the ...

Core exercises can improve strength, posture, and overall health. Although it can be harder for females to attain visible ab muscles, performing core exercises regularly is very beneficial. Sex and ...