Structure and internal consistency of a shoulder model
A three-dimensional biomechanical model of the shoulder is developed for force predictions in 46 shoulder structures. The model is directed towards the analysis of static working situations where the load is low or moderate. Arbitrary static arm postures in the natural shoulder range may be consider...
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| Veröffentlicht in: | Journal of biomechanics 1995-07, Vol.28 (7), p.767-777 |
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| container_title | Journal of biomechanics |
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| creator | Högfors, Christian Karlsson, Dan Peterson, Bo |
| description | A three-dimensional biomechanical model of the shoulder is developed for force predictions in 46 shoulder structures. The model is directed towards the analysis of static working situations where the load is low or moderate. Arbitrary static arm postures in the natural shoulder range may be considered, as well as different kinds of external loads including different force and moment directions. The model can predict internal forces for the shoulder muscles, for the glenohumeral, the acromioclavicular and the sternoclavicular joint as well as for the coracohumeral ligament. A solution to the statically indeterminate force system is obtained by minismising an objective function. The default function chosen for this is the sum of the squared muscle stresses, but other objective functions may be used as well. The structure of the model is described and its ingredients discussed. The internal consistency of the model, its structural stability and the compatibility of the elements that go into it, is investigated. |
| doi_str_mv | 10.1016/0021-9290(94)00134-P |
| format | Article |
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The model is directed towards the analysis of static working situations where the load is low or moderate. Arbitrary static arm postures in the natural shoulder range may be considered, as well as different kinds of external loads including different force and moment directions. The model can predict internal forces for the shoulder muscles, for the glenohumeral, the acromioclavicular and the sternoclavicular joint as well as for the coracohumeral ligament. A solution to the statically indeterminate force system is obtained by minismising an objective function. The default function chosen for this is the sum of the squared muscle stresses, but other objective functions may be used as well. The structure of the model is described and its ingredients discussed. 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The model is directed towards the analysis of static working situations where the load is low or moderate. Arbitrary static arm postures in the natural shoulder range may be considered, as well as different kinds of external loads including different force and moment directions. The model can predict internal forces for the shoulder muscles, for the glenohumeral, the acromioclavicular and the sternoclavicular joint as well as for the coracohumeral ligament. A solution to the statically indeterminate force system is obtained by minismising an objective function. The default function chosen for this is the sum of the squared muscle stresses, but other objective functions may be used as well. The structure of the model is described and its ingredients discussed. The internal consistency of the model, its structural stability and the compatibility of the elements that go into it, is investigated.</description><subject>Acromioclavicular Joint - physiology</subject><subject>Arm - anatomy & histology</subject><subject>Arm - physiology</subject><subject>Biomechanical Phenomena</subject><subject>Forecasting</subject><subject>Humans</subject><subject>Humerus - physiology</subject><subject>Ligaments, Articular - physiology</subject><subject>Models, Structural</subject><subject>Movement</subject><subject>Muscle, Skeletal - physiology</subject><subject>Posture</subject><subject>Rotation</subject><subject>Scapula - physiology</subject><subject>Shoulder - anatomy & histology</subject><subject>Shoulder - physiology</subject><subject>Shoulder Joint - physiology</subject><subject>Space life sciences</subject><subject>Sternoclavicular Joint - physiology</subject><subject>Stress, Mechanical</subject><subject>Thorax - anatomy & histology</subject><subject>Work</subject><issn>0021-9290</issn><issn>1873-2380</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1995</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkc1Lw0AQxRdRaq3-Bwo5iR6isx_ZzV4EKX5BwYJ6Xra7E4ykSd1NhP73Jrb0aE9zmDfvDb9HyDmFGwpU3gIwmmqm4UqLawDKRTo_IGOaK54ynsMhGe8kx-Qkxi8AUELpERkpmSmpsjGRb23oXNsFTGztk7JuMdS2SlxTxzK2WLt10hSJTeJn01UeQ7JsPFan5KiwVcSz7ZyQj8eH9-lzOnt9epnez1In8qxNube501JIsCwHqnLFuHZUg1SYWUClM2SMWlEsOMsFyEwrL32uNYoF95JPyOXGdxWa7w5ja5ZldFhVtsami0apPodlYq-QKhjss_1CqXn_yeAoNkIXmhgDFmYVyqUNa0PBDAWYga4Z6BotzF8BZt6fXWz9u8US_e5oS7zf32322GP7KTGY6MoeM_oyoGuNb8r_A34BRA6SSw</recordid><startdate>19950701</startdate><enddate>19950701</enddate><creator>Högfors, Christian</creator><creator>Karlsson, Dan</creator><creator>Peterson, Bo</creator><general>Elsevier Ltd</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>7QO</scope><scope>8FD</scope><scope>FR3</scope><scope>P64</scope><scope>7QP</scope><scope>7X8</scope></search><sort><creationdate>19950701</creationdate><title>Structure and internal consistency of a shoulder model</title><author>Högfors, Christian ; Karlsson, Dan ; Peterson, Bo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c485t-3da8c96460a2801787239c19067e5a0e795e221a4fb328406597d6d899e4b3d63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1995</creationdate><topic>Acromioclavicular Joint - physiology</topic><topic>Arm - anatomy & histology</topic><topic>Arm - physiology</topic><topic>Biomechanical Phenomena</topic><topic>Forecasting</topic><topic>Humans</topic><topic>Humerus - physiology</topic><topic>Ligaments, Articular - physiology</topic><topic>Models, Structural</topic><topic>Movement</topic><topic>Muscle, Skeletal - physiology</topic><topic>Posture</topic><topic>Rotation</topic><topic>Scapula - physiology</topic><topic>Shoulder - anatomy & histology</topic><topic>Shoulder - physiology</topic><topic>Shoulder Joint - physiology</topic><topic>Space life sciences</topic><topic>Sternoclavicular Joint - physiology</topic><topic>Stress, Mechanical</topic><topic>Thorax - anatomy & histology</topic><topic>Work</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Högfors, Christian</creatorcontrib><creatorcontrib>Karlsson, Dan</creatorcontrib><creatorcontrib>Peterson, Bo</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Biotechnology Research Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Calcium & Calcified Tissue Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of biomechanics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Högfors, Christian</au><au>Karlsson, Dan</au><au>Peterson, Bo</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Structure and internal consistency of a shoulder model</atitle><jtitle>Journal of biomechanics</jtitle><addtitle>J Biomech</addtitle><date>1995-07-01</date><risdate>1995</risdate><volume>28</volume><issue>7</issue><spage>767</spage><epage>777</epage><pages>767-777</pages><issn>0021-9290</issn><eissn>1873-2380</eissn><abstract>A three-dimensional biomechanical model of the shoulder is developed for force predictions in 46 shoulder structures. The model is directed towards the analysis of static working situations where the load is low or moderate. Arbitrary static arm postures in the natural shoulder range may be considered, as well as different kinds of external loads including different force and moment directions. The model can predict internal forces for the shoulder muscles, for the glenohumeral, the acromioclavicular and the sternoclavicular joint as well as for the coracohumeral ligament. A solution to the statically indeterminate force system is obtained by minismising an objective function. The default function chosen for this is the sum of the squared muscle stresses, but other objective functions may be used as well. The structure of the model is described and its ingredients discussed. The internal consistency of the model, its structural stability and the compatibility of the elements that go into it, is investigated.</abstract><cop>United States</cop><pub>Elsevier Ltd</pub><pmid>7657675</pmid><doi>10.1016/0021-9290(94)00134-P</doi><tpages>11</tpages></addata></record> |
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| ispartof | Journal of biomechanics, 1995-07, Vol.28 (7), p.767-777 |
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| language | eng |
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| source | MEDLINE; Elsevier ScienceDirect Journals |
| subjects | Acromioclavicular Joint - physiology Arm - anatomy & histology Arm - physiology Biomechanical Phenomena Forecasting Humans Humerus - physiology Ligaments, Articular - physiology Models, Structural Movement Muscle, Skeletal - physiology Posture Rotation Scapula - physiology Shoulder - anatomy & histology Shoulder - physiology Shoulder Joint - physiology Space life sciences Sternoclavicular Joint - physiology Stress, Mechanical Thorax - anatomy & histology Work |
| title | Structure and internal consistency of a shoulder model |
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