Rollout

Works the:

Abs, Shoulders

Modify

Easier: Only go halfway through the motion
More Challenging: Go as slow as possible

Equipment Needed:

Barbell

One

Starting Position: Place the barbell with appropriate weight on floor, kneel down facing the bar, and place the hands on the bar about shoulder-width apart. 

Two

Keep the hips pressed forward and the back straight allowing the barbell to roll away from the body. 

Three

Maintain the trunk position and pull down with the arms to move the bar towards the body and return to the starting position.