The present invention discloses a body massager comprising a portable housingincluding a backrest and a seat support. A longitudinal guide is provided inthe backrest cooperating with a carriage for translation of the carriagewithin the backrest and a motor drives the carriage along the guide. A pair ofmassage members are supported by the carriage and extend from the backrest forimparting a rolling massage effect upon the back of the user. A second motordrives the massage members for generating a rotary kneading massage effect orfor adjusting a width of the rolling massage effect.