Chattanooga Group is the world s largest manufacturer of rehabilitation equipment for treating skeletal, muscular, neurological and soft tissue disorders. Renowned for engineering excellence, our products contribute to better treatment outcomes in hospitals, clinics and home settings worldwide. We lead the industry by example, innovating continuously, providing real-world solutions for clinicians and their patients. Chattanooga Group, A DJO company, was founded in 1947 and with facilities in Chattanooga, Tennessee, Belgium and Australia A simple device to provide feedback to ensure quality and precision in exercise performance and testing. Monitors position of the low back and provides feedback when the abdominal muscles are not actively or effectively protecting the spine.