These exercises are known for working other muscles, but secretly challenge and strengthen your core, too. Read on for 14 sneaky abs exercises.
22 different personal and group trainers tell SELF their fav core move to get the abs working overtime.
Ready to tighten your tummy, strengthen your core, and flatten your abs? This no-equipment bodyweight exercise will take you to the next level (and though challenging, this move is super simple). Here's how to do a V-up, which works...
Top trainers offer their tips and tutorials on how to properly work out every muscle—from the best ab strengtheners to how to target your triceps.
To add variety and challenge to your workout, try a fitness ball. It can be a great way to tone your abs and core muscles.