The Montage Premier massage chair scans your back and has a 30 inch stroke length that reaches from the neck all the way down to the hips. The Montage Premier massage chair first scans your body to detect your shoulders, the curvature of your spine and your acupoints. The program will adjust the massage to each user. The Montage Premier accommodates persons up to 6' 5". The 30 inch stroke length of the massage rollers provides full back massage coverage. The Montage Premier massage chair provides a vehement back massage from your neck to your hips to relieve tired and sore muscles.