@crazygymrat: These are the only ab exercises worth your time 1. Dragon flags – 10/10 2. Cable crunches – 9/10 3. V-ups – 6/10 4. Russian twists – 4/10 5. Plank – -1/10 Track your progress with Liftly so you can actually see your abs improve. #GymTok #fyp #abs #liftlyapp #gymgirl