A therapy device for treating left-side and right-side body parts comprises a single-piece base plate having a left surface and a right surface, a moving segment having a support surface for a left- or right-side body part to be treated, and a drive for pivoting the moving segment back and forth relative to the base plate. The moving segment is fastened to the base plate so as to be pivotable around an axis of rotation. The left surface of the base plate is shaped for supporting thereon a left-side body portion assigned to a left-side body part to be treated. The right surface of the base plate is shaped for supporting thereon a right-side body portion assigned to a right-side body part to be treated.
