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Normal subjects were used to evaluate a fiber optic instrumented glove for semi-automated goniometric measurement. The glove electronically records and transmits hand and finger position to a host computer by measuring the amount of joint flexion. The glove was put through a series of range-of-motion (ROM) tests with five subjects. Metacarpal (MP) and proximal interphalangeal (PIP) joint angles of the five digits were compared during repetitive standardized motions to evaluate the glove's repeatability. The results showed an overall error of 5.6 degrees, as compared to an error of between 5 and 8 degrees with manual measurement. Additional tests were done to determine factors such as fit, grip force, and wrist motion that may contribute to the overall error. The glove should have applicability to some aspects of hand evaluation as a semi-automated goniometric measurement device.
Wise et al. (1990) studied this question.