| Motion of the drawing hand induces a progressive increase in muscle activity of the non-dominant hand in Ramachandran's mirror-box therapy. | |
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MedLine Citation:
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PMID: 23027036 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Objective: To observe the real-time muscle activity of bilateral hands while subjects draw circles under 2 conditions: with and without using Ramachandran's mirror-box. Subjects: A total of 24 healthy volunteers. Methods: Subjects drew 4 circles sequentially using their dominant hand with the other hand at rest, both with and without looking at a mirror image. Circles were marked by 8 dots on the paper, which subjects connected up to draw the shape. The activity of the bilateral first dorsal interosseus muscles was recorded using surface electromyography. Results: Muscle activity of the dominant hand remained constant during each task. In contrast, muscle activity of the non-dominant hand increased under the condition of watching the image in the mirror, but was low under the non-watching condition. Furthermore, muscle activity of the non-dominant hand increased over the duration of the task. However, wide variation between subjects was observed under the mirror-image condition. Conclusion: Increased muscle action potential of the non-dominant hand may be induced by the circle drawing task of the dominant hand during Ramachandran's mirror-box therapy, which supports previous observations of increased brain activity caused by watching a mirror image. |
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Authors:
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Kiminobu Furukawa; Harue Suzuki; Jun Fukuda |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-10-2 |
Journal Detail:
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Title: Journal of rehabilitation medicine : official journal of the UEMS European Board of Physical and Rehabilitation Medicine Volume: - ISSN: 1651-2081 ISO Abbreviation: J Rehabil Med Publication Date: 2012 Oct |
Date Detail:
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Created Date: 2012-10-2 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101088169 Medline TA: J Rehabil Med Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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, Faculty of Rehabilitation and Care, Seijoh University, 476-8588 Aichi, Japan. furukawa@seijoh-u.ac.jp. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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