Med-Fit Systems 2009     *  Seat pad can be locked in place or unlocked for pivoting movement     * Pivoting seat pad provides multiple abdominal exercises and results in greater activation of the        core musculature     * Starts the body in an upright posture with the exercise handles overhead to pre-stretch the        abdominal muscles     * Rocking movement lowers the hips to increase the involvement of the abdominal muscles to       produce trunk flexion     * Designed to offer constant lumbar, thoracic and cervical support to avoid hyperextension or       unnatural loading of the spine     * Avoids the excessive hip flexion unlike traditional ab machines Length:  41.00" (104 cm) Width: 63.50" (161 cm) Height: 61.75" (156 cm) Weight: 553 lbs. (251 kg) RS-1601   Abdominals 1.800.831.7665 1.800.831.7665 Back