| Design and Construction of a Novel Low-Cost Device to Provide Feedback on Manually Applied Forces. | |
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MedLine Citation:
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PMID: 21212499 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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STUDY DESIGN: Design and evaluation, technical note. OBJECTIVES: The aims are to describe the design of a simple, low-cost device for providing feedback on manually applied forces to the cervical spine and assess the device against specific design criteria. BACKGROUND: Forces used during manual therapy vary by 500% between practitioners, but consistency can be improved if students are provided with contemporaneous feedback. The current methods of providing feedback are expensive, complex or preclude techniques from being performed in a clinically relevant manner. METHODS: A device is assessed according to design criteria: 1) ease of use, 2) low cost, 3) minimal interference with technique, 4) able to provide feedback with suitable accuracy at forces up to 50 N, and 5) not require specialized skills to construct. RESULTS: A device is described that interfaces with standard computers through the sound card and measures force using thin, low-cost force sensing resistors. Evaluated against the design criteria, the device: 1) is easy to set-up and use, 2) can be produced for under $US30, 3) allows minimal interference with performance of a variety of techniques, 4) for forces of five to 45 N, limits of agreement were from -3.8 N to 4.2 N and repeatability coefficients when the same sensor was used were + 2.0 N or 12%, and 5) can be constructed without specialized skills or knowledge. CONCLUSION: A device is described that fulfils most design criteria for providing feedback on forces for physical therapy students and which may have applications in other fields. J Orthop Sports Phys Ther, Epub 5 January 2011. doi:10.2519/jospt.2011.3461. |
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Authors:
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Neil Tuttle; Guillermo Jacuinde |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-1-5 |
Journal Detail:
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Title: The Journal of orthopaedic and sports physical therapy Volume: - ISSN: 0190-6011 ISO Abbreviation: - Publication Date: 2011 Jan |
Date Detail:
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Created Date: 2011-1-7 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7908150 Medline TA: J Orthop Sports Phys Ther Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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