Question: ab exercises you can do at the gym?
Answer: 1 Decline plank with foot touch. Reps 10 each side Rest 10sec. Get into a decline plank position, supporting yourself on your forearms with your feet raised on a bench. ...  2 Seated Russian twist. Reps 12 each side Rest 10sec. ...  3 Bicycle crunches. Reps 15 each side Rest 10sec. ...  4 Plank. Time Max Rest 90sec.