The present invention discloses a body massager comprising a portable housing (32,34) including a backrest and a seat support. A longitudinal guide (42) is provided in the backrest cooperating with a carriage (40) for translation of the carriage within the backrest and a first motor (66) drives the carriage along the guide. A pair of massage members are supported by the carriage and extend from the backrest for imparting a rolling massage effect upon the back of the user. A second motor (90) drives the massage members for generating a rotary kneading massage effect or for adjusting a width of the rolling massage effect.