| If you’re burnt out on crunches and sit ups, then spice it up a bit. Get off the floor and try this challenging standing ab workout. Do 50 reps of each exercise, 3 rounds. You’ll feel the burn! |
| If you’re burnt out on crunches and sit ups, then spice it up a bit. Get off the floor and try this challenging standing ab workout. Do 50 reps of each exercise, 3 rounds. You’ll feel the burn! |