Plus, which move is more effective for strong abs.

Here are the four exercises to try.

SIT-UPS are one of those exercises that refuse to die. They’ve been praised, blamed, cancelled, revived and still show up in boot camps, military tests, and random living room workouts everywhere. So ...

Want to run better? Stop doing sit-ups – here are five expert-recommended functional core movements to do instead.

To add this three-step Turkish get-up to your next core routine, sub it in anytime you might do a sit-up. Here’s how to perform it properly: Mallory Creveling is an ACE-certified personal trainer and ...