Role of the extensor carpi ulnaris in the stabilization of the lunotriquetral joint. An experimental study
Abstract Study design Experimental laboratory-based research in biomechanics. Introduction The mechanisms by which some lunotriquetral (LTq) ligament disruptions remain stable are not known. Purpose of the study To investigate the contribution of muscles in preventing carpal destabilization when the...
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| Veröffentlicht in: | Journal of hand therapy 2013-10, Vol.26 (4), p.312-317 |
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| creator | León-Lopez, María Mayte, MD, PhD Salvà-Coll, Guillem, MD, PhD Garcia-Elias, Marc, MD, PhD Lluch-Bergadà, Alex, MD Llusá-Pérez, Manuel, MD, PhD |
| description | Abstract Study design Experimental laboratory-based research in biomechanics. Introduction The mechanisms by which some lunotriquetral (LTq) ligament disruptions remain stable are not known. Purpose of the study To investigate the contribution of muscles in preventing carpal destabilization when the LTq ligaments are torn. Methods Ten fresh cadaver wrists, set vertical in a jig, were isometrically loaded through five wrist motor tendons. Changes in carpal alignment secondary to the application of loads were monitored by a Fastrak™ electromagnetic motion tracking device, before and after sectioning the LTq ligaments. Results After LTq ligaments sectioning, wrist loading forced the triquetrum into flexion (5.4° average) and supination (2.9 ). The only muscle capable of extending and pronating the collapsed triquetrum was the extensor carpi ulnaris (ECU). Conclusions Inadequate ECU muscle function is an important destabilizing factor in LTq deficient wrists. Dynamic LTq instabilities may benefit from proprioceptionally training the ECU muscle, while avoiding carpal supination torques. Level of evidence Basic science study; biomechanics study. |
| doi_str_mv | 10.1016/j.jht.2013.07.003 |
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An experimental study</title><source>MEDLINE</source><source>Elsevier ScienceDirect Journals</source><creator>León-Lopez, María Mayte, MD, PhD ; Salvà-Coll, Guillem, MD, PhD ; Garcia-Elias, Marc, MD, PhD ; Lluch-Bergadà, Alex, MD ; Llusá-Pérez, Manuel, MD, PhD</creator><creatorcontrib>León-Lopez, María Mayte, MD, PhD ; Salvà-Coll, Guillem, MD, PhD ; Garcia-Elias, Marc, MD, PhD ; Lluch-Bergadà, Alex, MD ; Llusá-Pérez, Manuel, MD, PhD</creatorcontrib><description>Abstract Study design Experimental laboratory-based research in biomechanics. Introduction The mechanisms by which some lunotriquetral (LTq) ligament disruptions remain stable are not known. Purpose of the study To investigate the contribution of muscles in preventing carpal destabilization when the LTq ligaments are torn. Methods Ten fresh cadaver wrists, set vertical in a jig, were isometrically loaded through five wrist motor tendons. Changes in carpal alignment secondary to the application of loads were monitored by a Fastrak™ electromagnetic motion tracking device, before and after sectioning the LTq ligaments. Results After LTq ligaments sectioning, wrist loading forced the triquetrum into flexion (5.4° average) and supination (2.9 ). The only muscle capable of extending and pronating the collapsed triquetrum was the extensor carpi ulnaris (ECU). Conclusions Inadequate ECU muscle function is an important destabilizing factor in LTq deficient wrists. Dynamic LTq instabilities may benefit from proprioceptionally training the ECU muscle, while avoiding carpal supination torques. Level of evidence Basic science study; biomechanics study.</description><identifier>ISSN: 0894-1130</identifier><identifier>EISSN: 1545-004X</identifier><identifier>DOI: 10.1016/j.jht.2013.07.003</identifier><identifier>PMID: 24035668</identifier><language>eng</language><publisher>United States: Elsevier Inc</publisher><subject>Adult ; Biomechanical Phenomena ; Bones ; Carpal kinetics ; Defects ; Extensor carpi ulnaris ; Humans ; Joint Instability - physiopathology ; Ligaments ; Ligaments, Articular - injuries ; Lunotriquetral joint ; Muscle control ; Muscle, Skeletal - physiopathology ; Physical Medicine and Rehabilitation ; Proprioception - physiology ; Standard deviation ; Wrist instability ; Wrist Joint - physiopathology</subject><ispartof>Journal of hand therapy, 2013-10, Vol.26 (4), p.312-317</ispartof><rights>Hanley & Belfus</rights><rights>2013 Hanley & Belfus</rights><rights>Copyright © 2013 Hanley & Belfus. Published by Elsevier Inc. All rights reserved.</rights><rights>Copyright Elsevier Limited Oct/Dec 2013</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c436t-262d3b0484c2144a02426666fae5520a83f4b3036d383651c6605c99b265a3783</citedby><cites>FETCH-LOGICAL-c436t-262d3b0484c2144a02426666fae5520a83f4b3036d383651c6605c99b265a3783</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0894113013001014$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/24035668$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>León-Lopez, María Mayte, MD, PhD</creatorcontrib><creatorcontrib>Salvà-Coll, Guillem, MD, PhD</creatorcontrib><creatorcontrib>Garcia-Elias, Marc, MD, PhD</creatorcontrib><creatorcontrib>Lluch-Bergadà, Alex, MD</creatorcontrib><creatorcontrib>Llusá-Pérez, Manuel, MD, PhD</creatorcontrib><title>Role of the extensor carpi ulnaris in the stabilization of the lunotriquetral joint. An experimental study</title><title>Journal of hand therapy</title><addtitle>J Hand Ther</addtitle><description>Abstract Study design Experimental laboratory-based research in biomechanics. Introduction The mechanisms by which some lunotriquetral (LTq) ligament disruptions remain stable are not known. Purpose of the study To investigate the contribution of muscles in preventing carpal destabilization when the LTq ligaments are torn. Methods Ten fresh cadaver wrists, set vertical in a jig, were isometrically loaded through five wrist motor tendons. Changes in carpal alignment secondary to the application of loads were monitored by a Fastrak™ electromagnetic motion tracking device, before and after sectioning the LTq ligaments. Results After LTq ligaments sectioning, wrist loading forced the triquetrum into flexion (5.4° average) and supination (2.9 ). The only muscle capable of extending and pronating the collapsed triquetrum was the extensor carpi ulnaris (ECU). Conclusions Inadequate ECU muscle function is an important destabilizing factor in LTq deficient wrists. Dynamic LTq instabilities may benefit from proprioceptionally training the ECU muscle, while avoiding carpal supination torques. Level of evidence Basic science study; biomechanics study.</description><subject>Adult</subject><subject>Biomechanical Phenomena</subject><subject>Bones</subject><subject>Carpal kinetics</subject><subject>Defects</subject><subject>Extensor carpi ulnaris</subject><subject>Humans</subject><subject>Joint Instability - physiopathology</subject><subject>Ligaments</subject><subject>Ligaments, Articular - injuries</subject><subject>Lunotriquetral joint</subject><subject>Muscle control</subject><subject>Muscle, Skeletal - physiopathology</subject><subject>Physical Medicine and Rehabilitation</subject><subject>Proprioception - physiology</subject><subject>Standard deviation</subject><subject>Wrist instability</subject><subject>Wrist Joint - physiopathology</subject><issn>0894-1130</issn><issn>1545-004X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>8G5</sourceid><sourceid>BENPR</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNp9kl1rFDEUhoModlv9Ad7IgDfezHjyMZlZBKEUrUJB8AO8C5nMGZoxm6xJprj-ejNuq9ALQyCQPO_LOecNIc8oNBSofDU383VuGFDeQNcA8AdkQ1vR1gDi20OygX4rako5nJDTlGYA2jLoHpMTJoC3UvYbMn8KDqswVfkaK_yZ0acQK6Pj3laL8zraVFn_5zVlPVhnf-lsg7-TuMWHHO2PBXPUrpqD9bmpzn3x2mO0O_S5XKe8jIcn5NGkXcKnt-cZ-fru7ZeL9_XVx8sPF-dXtRFc5ppJNvIBRC8Mo0JoYILJsiaNbSlf93wSAwcuR95z2VIjJbRmux2YbDXven5GXh599zGUulJWO5sMOqc9hiWpYir4lootL-iLe-gcluhLdSvFGEjRyULRI2ViSCnipPalMx0PioJag1CzKkGoNQgFnSpBFM3zW-dl2OH4V3E3-QK8PgJYRnFjMapkLHqDo41oshqD_a_9m3tq46y3RrvveMD0rwuVmAL1ef0J60coG4ql4L8B9LCsNw</recordid><startdate>20131001</startdate><enddate>20131001</enddate><creator>León-Lopez, María Mayte, MD, PhD</creator><creator>Salvà-Coll, Guillem, MD, PhD</creator><creator>Garcia-Elias, Marc, MD, PhD</creator><creator>Lluch-Bergadà, Alex, MD</creator><creator>Llusá-Pérez, Manuel, MD, PhD</creator><general>Elsevier Inc</general><general>Elsevier Limited</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7QO</scope><scope>7QP</scope><scope>7RV</scope><scope>7TK</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>8AO</scope><scope>8FD</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>8G5</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>GUQSH</scope><scope>K9.</scope><scope>KB0</scope><scope>M0S</scope><scope>M1P</scope><scope>M2O</scope><scope>MBDVC</scope><scope>NAPCQ</scope><scope>P64</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>Q9U</scope><scope>S0X</scope><scope>7X8</scope></search><sort><creationdate>20131001</creationdate><title>Role of the extensor carpi ulnaris in the stabilization of the lunotriquetral joint. An experimental study</title><author>León-Lopez, María Mayte, MD, PhD ; Salvà-Coll, Guillem, MD, PhD ; Garcia-Elias, Marc, MD, PhD ; Lluch-Bergadà, Alex, MD ; Llusá-Pérez, Manuel, MD, PhD</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c436t-262d3b0484c2144a02426666fae5520a83f4b3036d383651c6605c99b265a3783</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Adult</topic><topic>Biomechanical Phenomena</topic><topic>Bones</topic><topic>Carpal kinetics</topic><topic>Defects</topic><topic>Extensor carpi ulnaris</topic><topic>Humans</topic><topic>Joint Instability - physiopathology</topic><topic>Ligaments</topic><topic>Ligaments, Articular - injuries</topic><topic>Lunotriquetral joint</topic><topic>Muscle control</topic><topic>Muscle, Skeletal - physiopathology</topic><topic>Physical Medicine and Rehabilitation</topic><topic>Proprioception - physiology</topic><topic>Standard deviation</topic><topic>Wrist instability</topic><topic>Wrist Joint - physiopathology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>León-Lopez, María Mayte, MD, PhD</creatorcontrib><creatorcontrib>Salvà-Coll, Guillem, MD, PhD</creatorcontrib><creatorcontrib>Garcia-Elias, Marc, MD, PhD</creatorcontrib><creatorcontrib>Lluch-Bergadà, Alex, MD</creatorcontrib><creatorcontrib>Llusá-Pérez, Manuel, MD, PhD</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Biotechnology Research Abstracts</collection><collection>Calcium & Calcified Tissue Abstracts</collection><collection>Nursing & Allied Health Database</collection><collection>Neurosciences Abstracts</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Medical Database (Alumni Edition)</collection><collection>ProQuest Pharma Collection</collection><collection>Technology Research Database</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>Research Library (Alumni Edition)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Engineering Research Database</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>Research Library Prep</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Nursing & Allied Health Database (Alumni Edition)</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Research Library</collection><collection>Research Library (Corporate)</collection><collection>Nursing & Allied Health Premium</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central Basic</collection><collection>SIRS Editorial</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of hand therapy</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>León-Lopez, María Mayte, MD, PhD</au><au>Salvà-Coll, Guillem, MD, PhD</au><au>Garcia-Elias, Marc, MD, PhD</au><au>Lluch-Bergadà, Alex, MD</au><au>Llusá-Pérez, Manuel, MD, PhD</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Role of the extensor carpi ulnaris in the stabilization of the lunotriquetral joint. An experimental study</atitle><jtitle>Journal of hand therapy</jtitle><addtitle>J Hand Ther</addtitle><date>2013-10-01</date><risdate>2013</risdate><volume>26</volume><issue>4</issue><spage>312</spage><epage>317</epage><pages>312-317</pages><issn>0894-1130</issn><eissn>1545-004X</eissn><abstract>Abstract Study design Experimental laboratory-based research in biomechanics. Introduction The mechanisms by which some lunotriquetral (LTq) ligament disruptions remain stable are not known. Purpose of the study To investigate the contribution of muscles in preventing carpal destabilization when the LTq ligaments are torn. Methods Ten fresh cadaver wrists, set vertical in a jig, were isometrically loaded through five wrist motor tendons. Changes in carpal alignment secondary to the application of loads were monitored by a Fastrak™ electromagnetic motion tracking device, before and after sectioning the LTq ligaments. Results After LTq ligaments sectioning, wrist loading forced the triquetrum into flexion (5.4° average) and supination (2.9 ). The only muscle capable of extending and pronating the collapsed triquetrum was the extensor carpi ulnaris (ECU). Conclusions Inadequate ECU muscle function is an important destabilizing factor in LTq deficient wrists. Dynamic LTq instabilities may benefit from proprioceptionally training the ECU muscle, while avoiding carpal supination torques. Level of evidence Basic science study; biomechanics study.</abstract><cop>United States</cop><pub>Elsevier Inc</pub><pmid>24035668</pmid><doi>10.1016/j.jht.2013.07.003</doi><tpages>6</tpages></addata></record> |
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| ispartof | Journal of hand therapy, 2013-10, Vol.26 (4), p.312-317 |
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| subjects | Adult Biomechanical Phenomena Bones Carpal kinetics Defects Extensor carpi ulnaris Humans Joint Instability - physiopathology Ligaments Ligaments, Articular - injuries Lunotriquetral joint Muscle control Muscle, Skeletal - physiopathology Physical Medicine and Rehabilitation Proprioception - physiology Standard deviation Wrist instability Wrist Joint - physiopathology |
| title | Role of the extensor carpi ulnaris in the stabilization of the lunotriquetral joint. An experimental study |
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