Relation of Test Positions to Radial and Ulnar Deviation

This study investigated the hypothesis that radial and ulnar deviation at the wrist joint are affected by the position of the upper extremity. A review of the literature on the measurement of radial and ulnar deviation is presented; equipment designed for the study and the measurement method used are described. Measurements were taken three times in each of the three test positions for one hundred subjects. The results of the measurement of radial and ulnar deviation were analyzed statistically and supported the hypothesis.