KINEMATIC CHANGES WITH POWERED WRIST FLEXION FOR TRANSRADIAL PROSTHETIC USERS COMPLETING THE GAZE AND MOVEMENT ASSESSMENT (GAMA) PASTA BOX TASK
DOI:
https://doi.org/10.57922/mec.2506Abstract
Many assessments used to evaluate prosthetic function primarily emphasize task completion time, overlooking the assessment of movement quality or the specific degree of freedom (DOF) activated during the task. For example, proper functioning of the wrist is crucial for accurate hand positioning, but the addition of this movement would likely add time to task completion. Unfortunately, only a limited number of available prosthetic wrists offer powered flexion and extension. As a result, users often need to rely on compensatory body movements, which can lead to injuries and even lead to abandonment of the device. In our study, we used the Gaze and Movement Assessment (GaMA) metric to compare task timing, endpoint trajectories, and 3D angular joint kinematics between a 1-DOF wrist and a 2-DOF wrist combined with a 1-DOF hand. Our hypothesis was that the 2-DOF wrist, though requiring more time, would yield kinematics closer to normative data and result in fewer compensatory movements compared to the 1-DOF wrist. Preliminary results on 4 individuals completing the Pasta Box task and utilizing a powered wrist flexion extension unit showed some changes in torso movements but large variability among the participants. Contrary to our hypothesis there was not a large difference in timing between the two conditions.
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Published
2024-08-15
How to Cite
[1]
L. Miller, Q. Boser, V. Darbhe, J. Hebert, K. Brenner, and K. Turner, “KINEMATIC CHANGES WITH POWERED WRIST FLEXION FOR TRANSRADIAL PROSTHETIC USERS COMPLETING THE GAZE AND MOVEMENT ASSESSMENT (GAMA) PASTA BOX TASK”, MEC Symposium, Aug. 2024.
Conference Proceedings Volume
Section
Prosthetic Devices and Materials
