The invention relates to a rehabilitation device adapted for rehabilitation and/or exercise of the shoulder region, the device being provided with a frame (1), which is connected to a power-generating apparatus (2), a back part (10), a seat part (11), and armrests (21). The rehabilitation device according to the invention is characterised in that it further comprises first support arms (23), second support arms (24), and motion arms (22), which communicate with said corresponding first and second support arms. The rehabilitation device according to the invention is further characterised in that said armrests (21) are articulated in said corresponding motion arms (22), and said power-generating apparatus (2) communicates with said motion arms (22). In addition, the invention relates to the use of the rehabilitation device for exercising the shoulder region.