An exercising apparatus is disclosed having a padded support for a user's hips and all, or a portion of, the user's torso. The padded support is positioned on either a fixed-length, or an adjustable support at approximately hip height and it is angled upward from the floor on which the exercise device is resting at approximately midway between horizontal and vertical, and is capable of side to side arcuate movement along an axis that is located in line with and above the upper surface of the padded support.