3/4 sit-up

45° side bend

air bike

alternate heel touchers

assisted hanging knee raise with throw down

assisted hanging knee raise

assisted lying leg raise with lateral throw down

assisted lying leg raise with throw down

assisted motion russian twist

barbell press sit-up

barbell rollerout from bench

barbell rollerout

barbell seated twist

barbell side bent v. 2

barbell standing ab rollerout

barbell standing twist

bottoms-up

cable judo flip

cable kneeling crunch

cable russian twists (on stability ball)

cable seated crunch

cable side bend crunch (bosu ball)

cable side bend

cable side crunch