COMPARATIVE EFFECTIVENESS AND FUNCTIONAL PERFORMANCE OF MULTIPLE DEGREE OF FREEDOM PROSTHETIC HANDS IN INDIVIDUALS WITH UNILATERAL TRANSRADIAL OR WRIST DISARTICULATION AMPUTATION

2024/08/08 by Smither, F. Clay, Webster, Joseph, Phillips, Samuel +1

paper · doi:10.57922/mec.52

Abstract

The stated goals of multiple degree of freedom (DOF) prosthetic hands are to improve function and create more natural movements for the prosthetic user. This cross-sectional observational study tested 75 persons with unilateral transradial or wrist disarticulation amputation using standardized measures. Three subtypes of prostheses were compared: body-powered, myoelectric single-DOF terminal device, and myoelectric multi-DOF terminal device. In most categories there was no significant difference in performance with the multi-DOF devices. Body-powered users had better scores in two measures of dexterity compared to myo multi-DOF users. Myo single-DOF users performed better than body-powered users in one test of everyday activities.

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