A well-rounded ab workout will strengthen your core, tone your midsection and help prevent and reduce back pain.

Crunches and situps can be great core exercises to tone the abs when performed correctly. Learn how to do a crunch the right way.

Once you’re out of the first trimester, it’s recommended that you avoid lying on your back, so all of these exercises are completed on the side, making it safe for all trimesters. It’s a side plank ...

The next time you do schedule an abs workout, why not try the corkscrew ... Sadly, it’s a myth that banging out moves like crunches, sit-ups and Russian twists will sculpt washboard abs you ...

The main difference between sit-ups and crunches is the range of motion involved in each exercise. Sit-ups require you to lift all the way up, while crunches require a slight lift off the ground.