Here is a quick five minute CASS Fitness ab routine that will challenge you. Now, I am not going to say some nonsense like this will get you ripped. Remember, proper nutrition and exercise will get you there. However, core strength is built through ab routines like this. Core strength is something all CASS Fitness personal trainers preach and implement heavily in our workouts. Your core is the most important part of your body. Do not ignore and skip your core workouts! You will do each of the ab exercises…