Sit-ups target your abdominal muscles, back muscles, and hip flexors, while crunches only target your abdominal muscles. • ...
Sit on an exercise mat and engage your core. Lean backward to create a V-shape position. If you want to, lift your feet away from the ground and either bend your knees or straighten your legs. Engage ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results