| Vibration imaging for localization of functional compartments of the extrinsic flexor muscles of the hand. | |
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MedLine Citation:
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PMID: 20512892 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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PURPOSE: To develop and test an MRI-based imaging technique for the localization of the functional compartments of the functionally finger-specific, yet anatomically indistinct, flexor muscles of the hand. MATERIALS AND METHODS: A total of six normal healthy volunteers were involved in five studies in which individual fingers were vibrated with mechanical actuators and the resultant motion within the corresponding functional compartments of the flexor muscles, mechanically transferred through the structurally connected tendons, was imaged with a phase-contrast MR imaging technique that is highly sensitive to cyclic motion. The motion amplitude and relative phase relationship between the functional compartments of various muscles and fingers were obtained and analyzed from these images as a means to differentiate the various subcompartments. RESULTS: The results show that this technique provides a detailed mapping of the regions of the complex flexor muscle compartments that correspond to each digit for both the flexor digitorum profundus and the flexor digitorum superficialis. The results also demonstrate the presence of mechanical interdependence between the flexor muscles. CONCLUSION: It is concluded from the results that localization of the finger-specific subcompartments of the forearm flexor muscles can be performed with this technique. |
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Authors:
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Yogesh K Mariappan; Armando Manduca; Kevin J Glaser; Jun Chen; Kimberly K Amrami; Richard L Ehman |
Publication Detail:
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Type: Journal Article; Research Support, N.I.H., Extramural |
Journal Detail:
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Title: Journal of magnetic resonance imaging : JMRI Volume: 31 ISSN: 1522-2586 ISO Abbreviation: J Magn Reson Imaging Publication Date: 2010 Jun |
Date Detail:
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Created Date: 2010-05-31 Completed Date: 2010-09-28 Revised Date: 2011-07-28 |
Medline Journal Info:
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Nlm Unique ID: 9105850 Medline TA: J Magn Reson Imaging Country: United States |
Other Details:
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Languages: eng Pagination: 1395-401 Citation Subset: IM |
Affiliation:
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Department of Radiology, Mayo Clinic, Rochester, Minnesota 55905, USA. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Adult Biomechanics Female Fingers / pathology* Humans Magnetic Resonance Imaging / methods* Male Middle Aged Models, Anatomic Motion Movement / physiology Muscle, Skeletal / pathology* Tendons / pathology, physiology Vibration |
| Grant Support | |
ID/Acronym/Agency:
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EB001981/EB/NIBIB NIH HHS; R01 EB001981-10/EB/NIBIB NIH HHS; R01 EB001981-12/EB/NIBIB NIH HHS |
| Comments/Corrections | |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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