Ab workouts are tough, but here are a 15 moves you can try isometrically to help build and strengthen your abs. Isometric holds usually last between 15-30 seconds, and make sure that you do both sides of the exercise if the move is not symmetrical!
Isometric exercises do not noticeably change muscle length and the affected joint doesn't move. You simply hold the position and this will help build and maintain strength of the muscles.
These 15 isometric core exercises engages your core in different ways, so be sure to try them all and see how many you want to incorporate into your workout routine! Check out the moves in the video below.