In the Netherlands alone approximately 40.000 trauma and 30.000 stroke patients anually require hand/wrist therapy, therefor the market potential is huge. The WHO estimates that stroke patients will increase with 30% over the next decade. With health expenditures rising intelligent rehabilitation devices reducing costs will be essential. The total direct cost of stroke patients alone in the Netherlands is over 2.3 billion euro’s and 40 billion in the USA per annum, with indirect costs to community even higher. Besides these impairments there are numerous other highly invalidating diseases such as arthritis for which patients need lifelong (fysio) therapy.