Targets: Internal and external oblique muscles and transverse abdominus. Beginner: Knee-Down
Targets: Rectus abdominis, transverse abs, and lower abs. Beginner: Bent Leg
Targets: Internal and external oblique muscles and transverse abdominus. Beginner: Oblique Crunch
Targets: Deep core muscles, lower abdominal muscles, hips, shoulders and back. Beginner: Omit weight
Targets: Deep transverse abdomen muscles, rectus abdominis, oblique muscles, shoulders, back, legs, glutes and quads. Beginner: Hold