Traction - ErgoWave - intersegment traction table : ErgoWave Roller Massage Table (115v) is specially designed for pretreatment therapy and massage. The ErgoWave has a unique wave action - The ErgoWave roller pattern travels up the spine like a wave. All areas of the patient's spine are covered with three independent rollers repeating every 13 seconds. Triple Rollers - The rollers are mounted on three axles to isolate lumbar, thoracic and cervical regions. Standard Features include: Unique Wave Action - The ErgoWave roller pattern travels up the spine like a wave. All areas of the patient's spine are covered with three independent rollers repeating every 13 seconds. Triple Rollers - The rollers are mounted on three axles to isolate lumbar, thoracic and cervical regions. Quick Height Adjustments- Gas spring makes roller height adjustments quick and easy. Contemporary Design - Sleek European lines will complement any office d?or. Ultra Quiet Operation - High quality motor for nearly silent operation without annoying vibrations. Storage Shelf - Important treatment accessories can be easily stored. Steel Construction - Welded steel frame ensures stability. Low Maintenance - Design eliminates service points. No routine maintenance required. Treatment Mat.