Kinematic comparison of the wrist movements that are possible with a biomechatronics wrist prosthesis and a body-powered prosthesis: a preliminary study
Purpose: This study examined the kinematic differences between a body-powered prosthesis and a biomechatronics prosthesis as a transradial amputee performed activities that involve flexion/extension and supination/pronation of the wrist. Method: The subject's wrist movements were calculated and...
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| Main Authors: | , , |
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| Format: | Article |
| Published: |
2013
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| Subjects: | |
| Online Access: | http://eprints.um.edu.my/9525/ http://www.scopus.com/inward/record.url?eid=2-s2.0-84875934592&partnerID=40&md5=8102ea46f6ca3c0af23f07572f53804a http://informahealthcare.com/doi/abs/10.3109/17483107.2012.704654 |
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| Institution: | Universiti Malaya |
| Summary: | Purpose: This study examined the kinematic differences between a body-powered prosthesis and a biomechatronics prosthesis as a transradial amputee performed activities that involve flexion/extension and supination/pronation of the wrist. Method: The subject's wrist movements were calculated and compared as he completed a wrist range of motion test involving simulated flexion/extension and supination/pronation. Results: The results revealed that, under the test conditions, the body-powered prosthesis limits an individual's ability to complete four different tasks of wrist movement especially when it comes to complete the supination/pronation movement. Conversely, while using biomechatronics wrist prosthesis, the user was able to compensate for limited wrist motion through an ability to achieve a greater range of wrist movement. Conclusions: The biomechatronics wrist prosthesis provides a greater degree of freedom of wrist flexion/extension and supination/pronation movements. Implications for Rehabilitation Body powered prosthesis for transradial amputees involved the wrist movement that focus on flexion/extension and supination/pronation. The biomechatronics wrist prosthesis is a combination of controller that controlled the servo motor at the wrist. The biomechatronics wrist prosthesis provides a greater degree of freedom of wrist flexion/extension and supination/pronation movements compare to the body powered prosthesis. |
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