The McAlister Recliner utilizes the principles of shiatsu - Japanese massage therapy that's believed to relax the mind and body, relieve muscle tension, improve circulation, and reduce stress. The power to Soothe, Relax, and Invigorate in personal comfort and style. 8 rollers travel in a wave-like movement to deliver a kneading, deep-tissue massage. 3 settings for targeting the upper, lower, or full back. Adjust the back cushion to change the massage intensity from gentle and relaxing to vigorous and stimulating. Various reclining angles to find your most comfortable back and leg position.