an upholstered arm chair embodying in the structure thereof a water heating tank underlying and directly heating the seat cushion of the chair and hydraulic heating pads forming the surface cushions of the back and arm rests of the chair , and automatic thermostat regulated electric means for heating the water in said tank and maintaining the same at a selected temperature and for circulating said water from said tank through said arm and back heating pads and then back to said tank . the chair also provides means for applying linear traction to the spine of the patient while heat therapy treatment is being adminstered .