Sit-ups (where the upper body is lifted completely) and crunches (where only the shoulder blades lift off the ground) are classic abdominal exercises. Photo: Getty Images Sit-ups and crunches are two ...

Sit tall with your weight equally distributed between both sits bones and feet planted on the floor hips-width apart. Engage ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through the links below." If your body were a bicycle, your abs and back muscles—your core—would be the frame. You need a ...

This standing abs routine strengthens your core, boosts posture, and lays the foundation for a stronger, more balanced body.