To alleviate some of the problems associated with upper motor neuron diseases, passive movement and stretching are often prescribed. However, the patient has to make continual and frequent visits to a physical therapist, which is expensive and inconvenient. Therefore, there is a need for devices by which the patient can self-administer some of the prescribed exercise(s) at home. In this paper, the design of a portable unit for self-administered stretching of thigh muscles is presented.

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