Position: Lying on the floor, arms out form the side, hands even with the shoulders, palms up. Legs bent at 90 degrees, hip width.
Movement: Raise the hips up until there is a straight line from the top of the knees, through the hip bone to the shoulders. Push through the heels.
Variation: Place a weigthed barbell across the front of the hips just below the front edge of the hip bone and above the pubic bone.