A rehabilitation device adapted for rehabilitating and/or exercising the shoulder region of a user, the rehabilitation device comprising: a frame; - support elements (2a, 2b) coupled to the frame and respectively configured to enable an upright position of an upper body of the user during the exercise; a pair of elongated shaft portions coupled to the frame and respectively arranged on opposing sides of a sagittal plane through the frame; - a pair of pivot elements respectively coupled to a distal end of each elongated shaft portion; - a pair of motion shafts respectively coupled to each pivot element;, characterized in that the rehabilitation device further comprises a pair of elbow supports respectively coupled to a proximal end of each motion shaft; shoulder supports coupled to the frame and respectively configured to hold a shoulder position of the user stationary during the exercising; wherein the motion shafts and the elbow supports are respectively movable by the pivot elements; wherein an angle α is defined between an imaginary extension, extending towards the frame, of a pivot axis of each of the pivot elements and the sagittal plane of the frame, the angle α being 60 degrees ± 5 degrees; and - wherein an angle β is defined between an imaginary extension, extending towards the frame, of a pivot axis of each of the pivot elements in a horizontal plane of the device and the sagittal plane of the frame, the angle β being 60 degrees ± 5 degrees. a frame; - support elements (2a, 2b) coupled to the frame and respectively configured to enable an upright position of an upper body of the user during the exercise; - support elements (2a, 2b) coupled to the frame and respectively configured to enable an upright position of an upper body of the user during the exercise; a pair of elongated shaft portions coupled to the frame and respectively arranged on opposing sides of a sagittal plane through the frame; - a pair of pivot elements respectively coupled to a distal end of each elongated shaft portion; - a pair of motion shafts respectively coupled to each pivot element;, - a pair of pivot elements respectively coupled to a distal end of each elongated shaft portion; - a pair of motion shafts respectively coupled to each pivot element;, characterized in that the rehabilitation device further comprises a pair of elbow supports respectively coupled to a proximal end of each motion shaft; shoulder supports coupled to the frame and respectively configured to hold a shoulder position of the user stationary during the exercising; wherein the motion shafts and the elbow supports are respectively movable by the pivot elements; wherein an angle α is defined between an imaginary extension, extending towards the frame, of a pivot axis of each of the pivot elements and the sagittal plane of the frame, the angle α being 60 degrees ± 5 degrees; and - wherein an angle β is defined between an imaginary extension, extending towards the frame, of a pivot axis of each of the pivot elements in a horizontal plane of the device and the sagittal plane of the frame, the angle β being 60 degrees ± 5 degrees. - wherein an angle β is defined between an imaginary extension, extending towards the frame, of a pivot axis of each of the pivot elements in a horizontal plane of the device and the sagittal plane of the frame, the angle β being 60 degrees ± 5 degrees.