The Ultimate Killer Ab Routine (giant set)
1. Hanging straight leg raise 15-25 reps
2. Hanging knee ups 15-25 reps or do as many as possible
3. Hip lift 15-25 reps
4. Reverse crunches 15-25 reps
5. Weighted supine crunch 15-25 reps
6. Bodyweight crunches 15-25 reps
