The invention relates to a therapy and training device for the shoulder joint (43) with a trunk base (21), having a rotational joint base (22) two shoulder extensions (27), respectively associated with a shoulder, rotational around a vertical axis of a shoulder rotational joint means, having an arm extension, respectively spaced apart from the rotational joint base for connection with an arm (42, 48), which is rotationally connected with the shoulder extension (27) around a transverse axis (37) by an upper arm rotational joint means (30), wherein said shoulder extension and/or said arm extension are coupled in movement such that a rotational movement of one shoulder extension, or respectively, one arm extension, causes a rotational movement of the other shoulder extension, or respectively, the other arm extension.