a strain relief coupling assembly is disclosed for use for connecting a living body with medical monitoring device which records electrical signals generated by the body . the present invention provides mechanical separation between an adhesive pregelled electrode attached to the skin of the patient and an electrical lead transmitting signals to the monitoring device . the assembly thus reduces disturbances of the skin - to - gel contact site caused by the patient &# 39 ; s movements , and results in a minimized noise component of recorded signals , effectively improving the quality of recorded traces for monitoring or measurement .