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Using Fitts' Law To Evaluate Functional Performance Of Operating Computer Input Devices In Patients With Cervical Cord Injury, Chien-Hsiu Liu, Shu-Chun Liu, Hsu-Tung Chu, Chi-Ming Shin, Yung-Wen Tang, Liu-Ing Bih

Rehabilitation Practice and Science

Due to the recent development of the assistive technology, patients with cervical cord injury may use an adapted computer input system to participate in various computer related activities, and as a result patients improve their quality of daily living and leisure activities. Fitts' Law is a reliable reference to compare the performance of normal persons using an input device like a mouse. The purpose of this study is to apply Fitts' Law to understanding the functional performance of patients with cervical cord injury when operating a mouse, trackball, and sip-and-puff controller.Twenty-five subjects were included in this study. The controls consisted …