Effects of biceps tension on the torn superior glenoid labrum
ABSTRACT The purpose of this study was to evaluate the role of the tension on the long head of the biceps tendon in the propagation of SLAP tears by studying the mechanical behavior of the torn superior glenoid labrum. A previously validated finite element model was extended to include a glenoid lab...
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| Veröffentlicht in: | Journal of orthopaedic research 2015-10, Vol.33 (10), p.1545-1551 |
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| container_title | Journal of orthopaedic research |
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| creator | Hwang, Eunjoo Hughes, Richard E. Palmer, Mark L. Carpenter, James E. |
| description | ABSTRACT
The purpose of this study was to evaluate the role of the tension on the long head of the biceps tendon in the propagation of SLAP tears by studying the mechanical behavior of the torn superior glenoid labrum. A previously validated finite element model was extended to include a glenoid labrum with type II SLAP tears of three different sizes. The strain distribution within the torn labral tissue with loading applied to the biceps tendon was investigated and compared to the inact and unloaded conditions. The anterior and posterior edges of each SLAP tear experienced the highest strain in the labrum. Labral strain increased with increasing biceps tension. This effect was stronger in the labrum when the size of the tear exceeded the width of the biceps anchor on the superior labrum. Thus, this study indicates that biceps tension influences the propagation of a SLAP tear more than it does the initiation of a tear. Additionally, it also suggests that the tear size greater than the biceps anchor site as a criterion in determining optimal treatment of a type II SLAP tear. © 2015 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 33:1545–1551, 2015. |
| doi_str_mv | 10.1002/jor.22888 |
| format | Article |
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The purpose of this study was to evaluate the role of the tension on the long head of the biceps tendon in the propagation of SLAP tears by studying the mechanical behavior of the torn superior glenoid labrum. A previously validated finite element model was extended to include a glenoid labrum with type II SLAP tears of three different sizes. The strain distribution within the torn labral tissue with loading applied to the biceps tendon was investigated and compared to the inact and unloaded conditions. The anterior and posterior edges of each SLAP tear experienced the highest strain in the labrum. Labral strain increased with increasing biceps tension. This effect was stronger in the labrum when the size of the tear exceeded the width of the biceps anchor on the superior labrum. Thus, this study indicates that biceps tension influences the propagation of a SLAP tear more than it does the initiation of a tear. Additionally, it also suggests that the tear size greater than the biceps anchor site as a criterion in determining optimal treatment of a type II SLAP tear. © 2015 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 33:1545–1551, 2015.</description><identifier>ISSN: 0736-0266</identifier><identifier>EISSN: 1554-527X</identifier><identifier>DOI: 10.1002/jor.22888</identifier><identifier>PMID: 25761123</identifier><language>eng</language><publisher>United States: Blackwell Publishing Ltd</publisher><subject>Arm Injuries - etiology ; Arm Injuries - physiopathology ; biceps ; Finite Element Analysis ; Humans ; labrum ; Models, Biological ; Muscle Tonus ; Muscle, Skeletal - physiology ; propagation ; Shoulder Joint - injuries ; Shoulder Joint - physiopathology ; SLAP ; Stress, Mechanical ; Tendons - physiopathology</subject><ispartof>Journal of orthopaedic research, 2015-10, Vol.33 (10), p.1545-1551</ispartof><rights>2015 Orthopaedic Research Society. Published by Wiley Periodicals, Inc.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3988-1c489ec7f5b50e88ac0460fdb0e0e4dd2d6f3aafdfc8393808d7ec4869af863c3</citedby><cites>FETCH-LOGICAL-c3988-1c489ec7f5b50e88ac0460fdb0e0e4dd2d6f3aafdfc8393808d7ec4869af863c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fjor.22888$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fjor.22888$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,1433,27924,27925,45574,45575,46409,46833</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/25761123$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Hwang, Eunjoo</creatorcontrib><creatorcontrib>Hughes, Richard E.</creatorcontrib><creatorcontrib>Palmer, Mark L.</creatorcontrib><creatorcontrib>Carpenter, James E.</creatorcontrib><title>Effects of biceps tension on the torn superior glenoid labrum</title><title>Journal of orthopaedic research</title><addtitle>J. Orthop. Res</addtitle><description>ABSTRACT
The purpose of this study was to evaluate the role of the tension on the long head of the biceps tendon in the propagation of SLAP tears by studying the mechanical behavior of the torn superior glenoid labrum. A previously validated finite element model was extended to include a glenoid labrum with type II SLAP tears of three different sizes. The strain distribution within the torn labral tissue with loading applied to the biceps tendon was investigated and compared to the inact and unloaded conditions. The anterior and posterior edges of each SLAP tear experienced the highest strain in the labrum. Labral strain increased with increasing biceps tension. This effect was stronger in the labrum when the size of the tear exceeded the width of the biceps anchor on the superior labrum. Thus, this study indicates that biceps tension influences the propagation of a SLAP tear more than it does the initiation of a tear. Additionally, it also suggests that the tear size greater than the biceps anchor site as a criterion in determining optimal treatment of a type II SLAP tear. © 2015 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 33:1545–1551, 2015.</description><subject>Arm Injuries - etiology</subject><subject>Arm Injuries - physiopathology</subject><subject>biceps</subject><subject>Finite Element Analysis</subject><subject>Humans</subject><subject>labrum</subject><subject>Models, Biological</subject><subject>Muscle Tonus</subject><subject>Muscle, Skeletal - physiology</subject><subject>propagation</subject><subject>Shoulder Joint - injuries</subject><subject>Shoulder Joint - physiopathology</subject><subject>SLAP</subject><subject>Stress, Mechanical</subject><subject>Tendons - physiopathology</subject><issn>0736-0266</issn><issn>1554-527X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp1kL1OwzAURi0EouVn4AVQRhhCr-3GdgcGVEEBFSpVoLJZjnMNgTQudiLg7QkU2JCudJfzneEQckDhhAKwwbMPJ4wppTZIn2bZMM2YfNgkfZBcpMCE6JGdGJ8BQFKmtkmPZVJQynifnJ47h7aJiXdJXlpcxaTBOpa-TrprnjBpfKiT2K4wlD4kjxXWviySyuShXe6RLWeqiPs_f5fcX5zfjS_T6WxyNT6bppaPlEqpHaoRWumyPANUylgYCnBFDgg4LApWCMeNcYWzio-4AlVI7DZiZJwS3PJdcrT2roJ_bTE2ellGi1VlavRt1FSCogIoFx16vEZt8DEGdHoVyqUJH5qC_qqlu1r6u1bHHv5o23yJxR_5m6cDBmvgrazw43-Tvp7Nf5XpelHGBt__Fia8aCG5zPTidqKn85vJgrOFvuWfJ3iDXg</recordid><startdate>201510</startdate><enddate>201510</enddate><creator>Hwang, Eunjoo</creator><creator>Hughes, Richard E.</creator><creator>Palmer, Mark L.</creator><creator>Carpenter, James E.</creator><general>Blackwell Publishing Ltd</general><scope>BSCLL</scope><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>7X8</scope></search><sort><creationdate>201510</creationdate><title>Effects of biceps tension on the torn superior glenoid labrum</title><author>Hwang, Eunjoo ; Hughes, Richard E. ; Palmer, Mark L. ; Carpenter, James E.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3988-1c489ec7f5b50e88ac0460fdb0e0e4dd2d6f3aafdfc8393808d7ec4869af863c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Arm Injuries - etiology</topic><topic>Arm Injuries - physiopathology</topic><topic>biceps</topic><topic>Finite Element Analysis</topic><topic>Humans</topic><topic>labrum</topic><topic>Models, Biological</topic><topic>Muscle Tonus</topic><topic>Muscle, Skeletal - physiology</topic><topic>propagation</topic><topic>Shoulder Joint - injuries</topic><topic>Shoulder Joint - physiopathology</topic><topic>SLAP</topic><topic>Stress, Mechanical</topic><topic>Tendons - physiopathology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hwang, Eunjoo</creatorcontrib><creatorcontrib>Hughes, Richard E.</creatorcontrib><creatorcontrib>Palmer, Mark L.</creatorcontrib><creatorcontrib>Carpenter, James E.</creatorcontrib><collection>Istex</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of orthopaedic research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hwang, Eunjoo</au><au>Hughes, Richard E.</au><au>Palmer, Mark L.</au><au>Carpenter, James E.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of biceps tension on the torn superior glenoid labrum</atitle><jtitle>Journal of orthopaedic research</jtitle><addtitle>J. Orthop. Res</addtitle><date>2015-10</date><risdate>2015</risdate><volume>33</volume><issue>10</issue><spage>1545</spage><epage>1551</epage><pages>1545-1551</pages><issn>0736-0266</issn><eissn>1554-527X</eissn><abstract>ABSTRACT
The purpose of this study was to evaluate the role of the tension on the long head of the biceps tendon in the propagation of SLAP tears by studying the mechanical behavior of the torn superior glenoid labrum. A previously validated finite element model was extended to include a glenoid labrum with type II SLAP tears of three different sizes. The strain distribution within the torn labral tissue with loading applied to the biceps tendon was investigated and compared to the inact and unloaded conditions. The anterior and posterior edges of each SLAP tear experienced the highest strain in the labrum. Labral strain increased with increasing biceps tension. This effect was stronger in the labrum when the size of the tear exceeded the width of the biceps anchor on the superior labrum. Thus, this study indicates that biceps tension influences the propagation of a SLAP tear more than it does the initiation of a tear. Additionally, it also suggests that the tear size greater than the biceps anchor site as a criterion in determining optimal treatment of a type II SLAP tear. © 2015 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 33:1545–1551, 2015.</abstract><cop>United States</cop><pub>Blackwell Publishing Ltd</pub><pmid>25761123</pmid><doi>10.1002/jor.22888</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record> |
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| source | Wiley Online Library - AutoHoldings Journals; MEDLINE; Wiley Online Library (Open Access Collection) |
| subjects | Arm Injuries - etiology Arm Injuries - physiopathology biceps Finite Element Analysis Humans labrum Models, Biological Muscle Tonus Muscle, Skeletal - physiology propagation Shoulder Joint - injuries Shoulder Joint - physiopathology SLAP Stress, Mechanical Tendons - physiopathology |
| title | Effects of biceps tension on the torn superior glenoid labrum |
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