Cerebrovascular disease also known as stroke remains the third among the top ten leading causes of death in Taiwan. Patients with stroke usually get some physical dysfunction like disability, hemiplegia, or contracture that makes them lose quality of life. The patients usually need to face a long rehabilitation process and employ various assistive devices. The main function of assistive devices is to improve or maintain the patient's act ability. For stroke patients to restore their hand function for fine movement is relatively difficult. A traditional aid "splint" can prevent joint deformities effectively. Besides, in recent years, a variety of dynamic auxiliary gloves were developed [1,2] that used elastic structure to help patients train their fingers like bend, stretch, and grasping ability. These aids can help patients to recover hand function effectively but lack of signal measurement and feedback for recording and quantifying hand exertion.

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