HiDow Lower Back Electrode Gel Pad for TENS/EMS/Microcurrent Electrotherapy DevicesThis pad is excellent for fighting lower back pain! Also, it fits perfectly on larger muscle groups, like arms and legs. Areas of application: lower back biceps quads above the knee (for the most coverage) HiDow electrodes target muscle stimulation on points where pulses are transmitted to motor nerves and muscle fibers. The electrodes simply connect to every HiDow device where it can be placed anywhere on the body. Our replaceable electrodes ranging