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Using potential energy to measure work related activities for persons wearing upper limb prostheses

Published online by Cambridge University Press:  27 April 2005

Nancy Black ,
Edmund N. Biden  and
Jeremy Rickards
Nancy Black
Affiliation:
Faculté d'ingénierie, Université de Moncton, Moncton, New Brunswick, E1A 3E9 (Canada).
Edmund N. Biden
Affiliation:
Institute of Biomedical Engineering, University of New Brunswick, Fredericton, New Brunswick, E3B 5A3 (Canada).
Jeremy Rickards
Affiliation:
Institute of Biomedical Engineering, University of New Brunswick, Fredericton, New Brunswick, E3B 5A3 (Canada).
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Abstract

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This study presents a novel means of assessing upper limb tasks by using mechanical energy. Potential energy quantifies six work related activities, studied for 20 working-age non-prosthesis users and three powered below elbow prosthesis users. Two marker trajectories on each of the upper arms, forearms, and hands were captured using a 3-camera VICON 140™ system. Task and arm dominance of non-prosthesis users are highly significant ($p\,{<}\,0.01$) with arm dominance effects being more pronounced for prosthesis users. Qualitative inter-repetition consistency is also concordant with observed increased cumulative trauma disorders among prosthesis users.

Keywords

ProsthesesUpper limbMechanical energy
Type
Research Article
Information
Robotica , Volume 23 , Issue 3 , May 2005 , pp. 319 - 327
Copyright
© 2005 Cambridge University Press