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Categorization of compensatory motions in transradial myoelectric prosthesis users

Categorization of compensatory motions in transradial myoelectric prosthesis users

Hussaini, Ali, Zinck, Arthur and Kyberd, Peter ORCID: 0000-0001-9022-6748 (2016) Categorization of compensatory motions in transradial myoelectric prosthesis users. Prosthetics and Orthotics International, 41 (3). ISSN 0309-3646 (Print), 1746-1553 (Online) (doi:

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Background: Prosthesis users perform various compensatory motions to accommodate for the loss of the hand and wrist as well as the reduced functionality of a prosthetic hand.

Objectives: Investigate different compensation strategies that are performed by prosthesis users.

Study Design: Comparative analysis

Methods: 20 able-bodied subjects and 4 prosthesis users performed a set of bimanual activities. Movements of the trunk and head were recorded using a motion capture system, and a digital video recorder. Clinical motion angles were calculated to assess the compensatory motions made by the prosthesis users. The video recording also assisted in visually identifying the compensations.

Results: Compensatory motions by the prosthesis users were evident in the tasks performed (slicing and stirring activities) as compared to the benchmark of able-bodied subjects. Compensations took the form of a measured increase in range of motion, an observed adoption of a new posture during task execution, and pre-positioning of items in the workspace prior to initiating a given task.

Conclusion: Compensatory motions were performed by prosthesis users during the selected tasks. These can be categorized into three different types of compensations.

Item Type: Article
Uncontrolled Keywords: Biomechanics, Biomechanics of prosthetic/orthotic devices, Motion analysis, Myoelectric, Prosthetics, Rehabilitation, Rehabilitation, Rehabilitation of amputees, Rehabilitation of prostheses users, Transradial, Unilateral, Upper limb
Subjects: Q Science > QP Physiology
T Technology > TA Engineering (General). Civil engineering (General)
Faculty / School / Research Centre / Research Group: Faculty of Engineering & Science
Faculty of Engineering & Science > School of Engineering (ENG)
Last Modified: 04 Sep 2017 15:41

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