Mechanics of the patellar articulation Effects of patellar ligament length studied with a mathematical model
We investigated the influence of the length of the patellar ligament on (1) the relative positions of the ligament, patella, and quadriceps tendon, (2) the location of the patellofemoral contact point, (3) the force of the quadriceps femoris muscle, and (4) the patellofemoral compression force for 0...
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| Veröffentlicht in: | Acta orthopaedica 1987, Vol.58 (5), p.560-566 |
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| container_end_page | 566 |
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| container_issue | 5 |
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| container_title | Acta orthopaedica |
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| creator | Van Eijden, Theo M. G. J. Kouwenhoven, Erik Weijs, Wim A. |
| description | We investigated the influence of the length of the patellar ligament on (1) the relative positions of the ligament, patella, and quadriceps tendon, (2) the location of the patellofemoral contact point, (3) the force of the quadriceps femoris muscle, and (4) the patellofemoral compression force for 0-120° flexion-extension angles of the knee. For this purpose, we used a mathematical model, describing movements and forces in the sagittal plane. The anatomic parameters for the model were obtained from five autopsy knees. The patellar ligament length appeared to influence the mechanical behavior of the patellar articulation considerably. The magnitude of the induced changes was determined by the length of the ligament and by the flexion-extension angle of the knee. |
| doi_str_mv | 10.3109/17453678709146400 |
| format | Article |
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The magnitude of the induced changes was determined by the length of the ligament and by the flexion-extension angle of the knee.</description><identifier>ISSN: 1745-3674</identifier><identifier>ISSN: 0001-6470</identifier><identifier>EISSN: 1745-3682</identifier><identifier>DOI: 10.3109/17453678709146400</identifier><identifier>PMID: 3425289</identifier><identifier>CODEN: AOSAAK</identifier><language>eng</language><publisher>Basingstoke: Informa UK Ltd</publisher><subject>Aged ; Biological and medical sciences ; Biomechanical Phenomena ; Fundamental and applied biological sciences. 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G. J.</creatorcontrib><creatorcontrib>Kouwenhoven, Erik</creatorcontrib><creatorcontrib>Weijs, Wim A.</creatorcontrib><title>Mechanics of the patellar articulation Effects of patellar ligament length studied with a mathematical model</title><title>Acta orthopaedica</title><addtitle>Acta Orthop Scand</addtitle><description>We investigated the influence of the length of the patellar ligament on (1) the relative positions of the ligament, patella, and quadriceps tendon, (2) the location of the patellofemoral contact point, (3) the force of the quadriceps femoris muscle, and (4) the patellofemoral compression force for 0-120° flexion-extension angles of the knee. For this purpose, we used a mathematical model, describing movements and forces in the sagittal plane. The anatomic parameters for the model were obtained from five autopsy knees. The patellar ligament length appeared to influence the mechanical behavior of the patellar articulation considerably. The magnitude of the induced changes was determined by the length of the ligament and by the flexion-extension angle of the knee.</description><subject>Aged</subject><subject>Biological and medical sciences</subject><subject>Biomechanical Phenomena</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Humans</subject><subject>Ligaments, Articular - physiology</subject><subject>Male</subject><subject>Miscellaneous</subject><subject>Models, Biological</subject><subject>Movement</subject><subject>Muscle Contraction</subject><subject>Patella - physiology</subject><subject>Pressure</subject><subject>Tendons - physiology</subject><subject>Vertebrates: osteoarticular system, musculoskeletal system</subject><issn>1745-3674</issn><issn>0001-6470</issn><issn>1745-3682</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1987</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kEFv1DAQhS0EKm3hB3BA8gFxW7BjJ44FF1S1gFTEBc7RdDJuXDnxYjuq-u_xsstKCKkX2-P53tPMY-yVFO-UFPa9NLpVnemNsFJ3Wogn7HT3t1Fd3zw9vo1-zs5yvhNC9dqKE3aidNM2vT1l4RvhBIvHzKPjZSK-hUIhQOKQisc1QPFx4ZfOEZY_0BEI_hZmWgoPtNyWieeyjp5Gfu9rAXyGalcPjxD4HEcKL9gzByHTy8N9zn5eXf64-LK5_v7568Wn6w1qo8qmUaYx5MyNkA0otC05BGWh060TCH1HKMe-sbrvQCIKJOq0E9YAtaIBo87Z273vNsVfK-UyzD7jbuiF4poHY6zsagIVlHsQU8w5kRu2yc-QHgYphl3Cw38JV83rg_l6M9N4VBwirf03hz7kurlLsKDPR8y0RrW9rNjHPeYXF9MM9zGFcSjwEGL6q1GPTfHhH_lEEMqEkGi4i2taaryP7PAbFzip3g</recordid><startdate>1987</startdate><enddate>1987</enddate><creator>Van Eijden, Theo M. 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J.</creatorcontrib><creatorcontrib>Kouwenhoven, Erik</creatorcontrib><creatorcontrib>Weijs, Wim A.</creatorcontrib><collection>Pascal-Francis</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>Acta orthopaedica</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Van Eijden, Theo M. G. J.</au><au>Kouwenhoven, Erik</au><au>Weijs, Wim A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Mechanics of the patellar articulation Effects of patellar ligament length studied with a mathematical model</atitle><jtitle>Acta orthopaedica</jtitle><addtitle>Acta Orthop Scand</addtitle><date>1987</date><risdate>1987</risdate><volume>58</volume><issue>5</issue><spage>560</spage><epage>566</epage><pages>560-566</pages><issn>1745-3674</issn><issn>0001-6470</issn><eissn>1745-3682</eissn><coden>AOSAAK</coden><abstract>We investigated the influence of the length of the patellar ligament on (1) the relative positions of the ligament, patella, and quadriceps tendon, (2) the location of the patellofemoral contact point, (3) the force of the quadriceps femoris muscle, and (4) the patellofemoral compression force for 0-120° flexion-extension angles of the knee. For this purpose, we used a mathematical model, describing movements and forces in the sagittal plane. The anatomic parameters for the model were obtained from five autopsy knees. The patellar ligament length appeared to influence the mechanical behavior of the patellar articulation considerably. The magnitude of the induced changes was determined by the length of the ligament and by the flexion-extension angle of the knee.</abstract><cop>Basingstoke</cop><pub>Informa UK Ltd</pub><pmid>3425289</pmid><doi>10.3109/17453678709146400</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record> |
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| identifier | ISSN: 1745-3674 |
| ispartof | Acta orthopaedica, 1987, Vol.58 (5), p.560-566 |
| issn | 1745-3674 0001-6470 1745-3682 |
| language | eng |
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| source | MEDLINE; EZB-FREE-00999 freely available EZB journals; Alma/SFX Local Collection |
| subjects | Aged Biological and medical sciences Biomechanical Phenomena Fundamental and applied biological sciences. Psychology Humans Ligaments, Articular - physiology Male Miscellaneous Models, Biological Movement Muscle Contraction Patella - physiology Pressure Tendons - physiology Vertebrates: osteoarticular system, musculoskeletal system |
| title | Mechanics of the patellar articulation Effects of patellar ligament length studied with a mathematical model |
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