a combined massage and spot heating device including a cushion adapted to be placed next to the body of a person to be treated and having a vibrating mechanism contained therein , and a switchbox containing switching means for controlling the amplitude of vibration , said means including a resistor inside the switchbox which may be cut into the vibrator circuit at certain positions of the switching means , the resistor serving to heat a heat - conducting plate associated with the switchbox to provide a facility for spot heating selected areas on the body of the person being treated .