A hand-held body massager includes a powered handle having an electric motor and reciprocating assembly mounted therein and a first mating coupler of a side-release buckle assembly connected to the reciprocating assembly to impart longitudinal, reciprocating movement of the first mating coupler relative to a powered handle. A plurality of massaging attachments incorporating a second mating coupler of the side-release buckle assembly are interchangeably securable to the powered handle. One of the massage attachments comprises a flexible strap with the second mating coupler connected to a first end and a second end, formed from a section of elastic material, connected to a passive handle. Other attachments include a plurality of massage head attachments each including a massage head of a different geometry and having a second mating coupler of a side-release buckle assembly projecting therefrom.