The upper body ergomter has its high significance in the therapy, because it can be used in various ways. When upper extremities or parts of the upper body have been insured the motion body 500 med is the first choice to re-establish the mobility. When used as a cardiovascular training ergometer, it is being used when permanent limitations of the lower extremities exist. This is important for persons in wheelchairs especially. The seat unit can be removed completely, the hights adjusment is supported by an hydraulic spring. Also the machine can be used for a forward- as well as a backward- movement. The optional, length-adjustable crank arms can also be put in a synchronic position to simulate the handibike use.