500 Rep Ab Workout
Check out this CRAZY 500 rep ab workout!
Ab wheels - 25 reps
Weighted Crunches - 25 reps
Knee Ups - 25 reps
Bicycle Crunches - 25 reps
Low back extensions - 25 reps
Complete all of these 4 times and let us know how you feel!
Cory uses the Max Effort Muscle test booster to train with more intensity!