Massage device for an item of furniture for sitting and/or lying on, having a first shaft and a second shaft which are supported parallel with one another in a frame, and having at least one arm which carries at least one massage body, the arm being coupled to the two shafts in such a manner that a rotation of the shafts brings about a massage movement of the massage body in a first and/or second direction. Means are also provided for displacing the massage body relative to the frame and they are formed by means for changing the distance between the two shafts.