he battery operated J5 Myomonitor TENS unit, like its predecessor the J4, delivers controlled, periodic, bilateral electrical stimulation to help provide muscle relaxation, increased blood circulation and increased range of motion. The J5 Myomonitor TENS unit is the latest in a succession of Myotronics products with a history of over thirty-five years of clinical effectiveness. It is known that cervical muscles play a significant role in head posture and consequently may impact occlusion. For years many dentists have stimulated these cervical muscles to relax them as part of the overall diagnosis and treatment process. The J5 Myomonitor TENS unit provides four patient stimulation channels, each left and right pair with its own controls. Now, with the ability to stimulate four muscle sites simultaneously, the J5 helps improve treatment efficacy while saving time for doctor and patient. Two channels may be turned off when not required.