The Effects of Medialization and Anteromedialization of the Tibial Tubercle on Patellofemoral Mechanics and Kinematics
Background: Medialization and anteromedialization of the tibial tubercle are used to correct patellar subluxation in adults. Purpose: To compare the effects of the 2 osteotomies on patellofemoral joint contact pressures and kinematics. Study Design: Controlled laboratory study. Methods: Tibial tuber...
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| Veröffentlicht in: | The American journal of sports medicine 2006-05, Vol.34 (5), p.749-756 |
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| creator | Ramappa, Arun J. Apreleva, Maria Harrold, Fraser R. Fitzgibbons, Peter G. Wilson, David R. Gill, Thomas J. |
| description | Background: Medialization and anteromedialization of the tibial tubercle are used to correct patellar subluxation in adults.
Purpose: To compare the effects of the 2 osteotomies on patellofemoral joint contact pressures and kinematics.
Study Design: Controlled laboratory study.
Methods: Tibial tubercle osteotomies were performed on 10 cadaveric human knees. The knees were tested between 0° and 90° of flexion
while dynamic patellofemoral joint contact pressure and kinematic data were simultaneously obtained. Four conditions were
tested: normal knee alignment, simulated increased Q angle, postmedialization of the tibial tubercle, and postanteromedialization
of the tubercle.
Results: An increased Q angle laterally translated the patella, shifted force to the lateral facet, and increased patella contact
pressures. Both medialization and anteromedialization partially corrected the abnormal contact pressures. Medialization partially
corrected the shift of force to the lateral facet induced by an increased Q angle, whereas the anteromedialization could not.
Both medialization and anteromedialization corrected the patella maltracking.
Conclusion: Medialization and anteromedialization are equivalent in their ability to correct abnormal patellar mechanics and kinematics.
Keywords:
knee
biomechanics
patellofemoral
osteotomy |
| doi_str_mv | 10.1177/0363546505283460 |
| format | Article |
| fullrecord | <record><control><sourceid>gale_proqu</sourceid><recordid>TN_cdi_proquest_miscellaneous_67883027</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><galeid>A145389688</galeid><sage_id>10.1177_0363546505283460</sage_id><sourcerecordid>A145389688</sourcerecordid><originalsourceid>FETCH-LOGICAL-c519t-ff112cb1845af31bb43fa0bc481369b9d496eaf7b00b6917f368963e3c8d13293</originalsourceid><addsrcrecordid>eNqFkkmPEzEQhS0EYkLgzgm1QHBrcLX3YxQNi5jRcAhny-3YiSN3e7A7bL8eh0SKGGnEyZLfV8-vyoXQc8BvAYR4hwknjHKGWScJ5fgBmgFjXUsIZw_R7CC3B_0CPSllhzEGweVjdAGcVoKQGfq-2rrm0ntnp9Ik31y7dTAx_DZTSGNjxnWzGCeX0_DPfQWnWrcKfb1sVvveZRtdU5UvZnIxJu-GlKt07ezWjMGWv1afw-iG6mDLU_TIm1jcs9M5R1_fX66WH9urmw-flour1jJQU-s9QGd7kJQZT6DvKfEG95ZKIFz1ak0Vd8aLHuOeKxCecKk4ccTKNZBOkTl6c_S9zenb3pVJD6HYmtCMLu2L5kJKgjvxXxAEUMzVwfHlHXCX9nmsTegOBBYSS1ahV_dBoCTGUigClWqP1MZEp8NoUx31z8mmGN3G6TqI5Y1eAGWkNlVzzhE-8janUrLz-jaHweRfGrA-7IO-uw-15MUpyL6vX3guOC1ABV6fAFOsiT6b0YZy5oToFLDunLWYGu3czf0Pn3y3YbP9EbLTZTAx1hhEm10hVDMtqCJ_AG_Z1F8</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>1980087931</pqid></control><display><type>article</type><title>The Effects of Medialization and Anteromedialization of the Tibial Tubercle on Patellofemoral Mechanics and Kinematics</title><source>SAGE Publications</source><source>MEDLINE</source><source>Alma/SFX Local Collection</source><creator>Ramappa, Arun J. ; Apreleva, Maria ; Harrold, Fraser R. ; Fitzgibbons, Peter G. ; Wilson, David R. ; Gill, Thomas J.</creator><creatorcontrib>Ramappa, Arun J. ; Apreleva, Maria ; Harrold, Fraser R. ; Fitzgibbons, Peter G. ; Wilson, David R. ; Gill, Thomas J.</creatorcontrib><description>Background: Medialization and anteromedialization of the tibial tubercle are used to correct patellar subluxation in adults.
Purpose: To compare the effects of the 2 osteotomies on patellofemoral joint contact pressures and kinematics.
Study Design: Controlled laboratory study.
Methods: Tibial tubercle osteotomies were performed on 10 cadaveric human knees. The knees were tested between 0° and 90° of flexion
while dynamic patellofemoral joint contact pressure and kinematic data were simultaneously obtained. Four conditions were
tested: normal knee alignment, simulated increased Q angle, postmedialization of the tibial tubercle, and postanteromedialization
of the tubercle.
Results: An increased Q angle laterally translated the patella, shifted force to the lateral facet, and increased patella contact
pressures. Both medialization and anteromedialization partially corrected the abnormal contact pressures. Medialization partially
corrected the shift of force to the lateral facet induced by an increased Q angle, whereas the anteromedialization could not.
Both medialization and anteromedialization corrected the patella maltracking.
Conclusion: Medialization and anteromedialization are equivalent in their ability to correct abnormal patellar mechanics and kinematics.
Keywords:
knee
biomechanics
patellofemoral
osteotomy</description><identifier>ISSN: 0363-5465</identifier><identifier>EISSN: 1552-3365</identifier><identifier>DOI: 10.1177/0363546505283460</identifier><identifier>PMID: 16436533</identifier><identifier>CODEN: AJSMDO</identifier><language>eng</language><publisher>Los Angeles, CA: American Orthopaedic Society for Sports Medicine</publisher><subject>Adult ; Adults ; Aged ; Biological and medical sciences ; Biomechanical Phenomena ; Biomechanics ; Biomechanics. Biorheology ; Bones ; Cadaver ; Comparative studies ; Diseases of the osteoarticular system ; Female ; Femur - surgery ; Fundamental and applied biological sciences. Psychology ; Human mechanics ; Humans ; Kinematics ; Knee ; Knee Injuries - physiopathology ; Knee Injuries - surgery ; Knee Joint - physiology ; Knee Joint - surgery ; Male ; Medical sciences ; Middle Aged ; Orthopedic surgery ; Osteotomy ; Patella - surgery ; Sports medicine ; Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases ; Tibia - surgery ; Tissues, organs and organisms biophysics</subject><ispartof>The American journal of sports medicine, 2006-05, Vol.34 (5), p.749-756</ispartof><rights>2006 American Orthopaedic Society for Sports Medicine</rights><rights>2006 INIST-CNRS</rights><rights>COPYRIGHT 2006 Sage Publications, Inc.</rights><rights>Copyright Sage Publications Ltd. May 2006</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c519t-ff112cb1845af31bb43fa0bc481369b9d496eaf7b00b6917f368963e3c8d13293</citedby><cites>FETCH-LOGICAL-c519t-ff112cb1845af31bb43fa0bc481369b9d496eaf7b00b6917f368963e3c8d13293</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://journals.sagepub.com/doi/pdf/10.1177/0363546505283460$$EPDF$$P50$$Gsage$$H</linktopdf><linktohtml>$$Uhttps://journals.sagepub.com/doi/10.1177/0363546505283460$$EHTML$$P50$$Gsage$$H</linktohtml><link.rule.ids>314,777,781,21800,27905,27906,43602,43603</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=17729152$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/16436533$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Ramappa, Arun J.</creatorcontrib><creatorcontrib>Apreleva, Maria</creatorcontrib><creatorcontrib>Harrold, Fraser R.</creatorcontrib><creatorcontrib>Fitzgibbons, Peter G.</creatorcontrib><creatorcontrib>Wilson, David R.</creatorcontrib><creatorcontrib>Gill, Thomas J.</creatorcontrib><title>The Effects of Medialization and Anteromedialization of the Tibial Tubercle on Patellofemoral Mechanics and Kinematics</title><title>The American journal of sports medicine</title><addtitle>Am J Sports Med</addtitle><description>Background: Medialization and anteromedialization of the tibial tubercle are used to correct patellar subluxation in adults.
Purpose: To compare the effects of the 2 osteotomies on patellofemoral joint contact pressures and kinematics.
Study Design: Controlled laboratory study.
Methods: Tibial tubercle osteotomies were performed on 10 cadaveric human knees. The knees were tested between 0° and 90° of flexion
while dynamic patellofemoral joint contact pressure and kinematic data were simultaneously obtained. Four conditions were
tested: normal knee alignment, simulated increased Q angle, postmedialization of the tibial tubercle, and postanteromedialization
of the tubercle.
Results: An increased Q angle laterally translated the patella, shifted force to the lateral facet, and increased patella contact
pressures. Both medialization and anteromedialization partially corrected the abnormal contact pressures. Medialization partially
corrected the shift of force to the lateral facet induced by an increased Q angle, whereas the anteromedialization could not.
Both medialization and anteromedialization corrected the patella maltracking.
Conclusion: Medialization and anteromedialization are equivalent in their ability to correct abnormal patellar mechanics and kinematics.
Keywords:
knee
biomechanics
patellofemoral
osteotomy</description><subject>Adult</subject><subject>Adults</subject><subject>Aged</subject><subject>Biological and medical sciences</subject><subject>Biomechanical Phenomena</subject><subject>Biomechanics</subject><subject>Biomechanics. Biorheology</subject><subject>Bones</subject><subject>Cadaver</subject><subject>Comparative studies</subject><subject>Diseases of the osteoarticular system</subject><subject>Female</subject><subject>Femur - surgery</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Human mechanics</subject><subject>Humans</subject><subject>Kinematics</subject><subject>Knee</subject><subject>Knee Injuries - physiopathology</subject><subject>Knee Injuries - surgery</subject><subject>Knee Joint - physiology</subject><subject>Knee Joint - surgery</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Middle Aged</subject><subject>Orthopedic surgery</subject><subject>Osteotomy</subject><subject>Patella - surgery</subject><subject>Sports medicine</subject><subject>Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases</subject><subject>Tibia - surgery</subject><subject>Tissues, organs and organisms biophysics</subject><issn>0363-5465</issn><issn>1552-3365</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkkmPEzEQhS0EYkLgzgm1QHBrcLX3YxQNi5jRcAhny-3YiSN3e7A7bL8eh0SKGGnEyZLfV8-vyoXQc8BvAYR4hwknjHKGWScJ5fgBmgFjXUsIZw_R7CC3B_0CPSllhzEGweVjdAGcVoKQGfq-2rrm0ntnp9Ik31y7dTAx_DZTSGNjxnWzGCeX0_DPfQWnWrcKfb1sVvveZRtdU5UvZnIxJu-GlKt07ezWjMGWv1afw-iG6mDLU_TIm1jcs9M5R1_fX66WH9urmw-flour1jJQU-s9QGd7kJQZT6DvKfEG95ZKIFz1ak0Vd8aLHuOeKxCecKk4ccTKNZBOkTl6c_S9zenb3pVJD6HYmtCMLu2L5kJKgjvxXxAEUMzVwfHlHXCX9nmsTegOBBYSS1ahV_dBoCTGUigClWqP1MZEp8NoUx31z8mmGN3G6TqI5Y1eAGWkNlVzzhE-8janUrLz-jaHweRfGrA-7IO-uw-15MUpyL6vX3guOC1ABV6fAFOsiT6b0YZy5oToFLDunLWYGu3czf0Pn3y3YbP9EbLTZTAx1hhEm10hVDMtqCJ_AG_Z1F8</recordid><startdate>20060501</startdate><enddate>20060501</enddate><creator>Ramappa, Arun J.</creator><creator>Apreleva, Maria</creator><creator>Harrold, Fraser R.</creator><creator>Fitzgibbons, Peter G.</creator><creator>Wilson, David R.</creator><creator>Gill, Thomas J.</creator><general>American Orthopaedic Society for Sports Medicine</general><general>SAGE Publications</general><general>Sage Publications, Inc</general><general>Sage Publications Ltd</general><scope>IQODW</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>7TS</scope><scope>K9.</scope><scope>NAPCQ</scope><scope>U9A</scope><scope>7X8</scope></search><sort><creationdate>20060501</creationdate><title>The Effects of Medialization and Anteromedialization of the Tibial Tubercle on Patellofemoral Mechanics and Kinematics</title><author>Ramappa, Arun J. ; Apreleva, Maria ; Harrold, Fraser R. ; Fitzgibbons, Peter G. ; Wilson, David R. ; Gill, Thomas J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c519t-ff112cb1845af31bb43fa0bc481369b9d496eaf7b00b6917f368963e3c8d13293</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><topic>Adult</topic><topic>Adults</topic><topic>Aged</topic><topic>Biological and medical sciences</topic><topic>Biomechanical Phenomena</topic><topic>Biomechanics</topic><topic>Biomechanics. Biorheology</topic><topic>Bones</topic><topic>Cadaver</topic><topic>Comparative studies</topic><topic>Diseases of the osteoarticular system</topic><topic>Female</topic><topic>Femur - surgery</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Human mechanics</topic><topic>Humans</topic><topic>Kinematics</topic><topic>Knee</topic><topic>Knee Injuries - physiopathology</topic><topic>Knee Injuries - surgery</topic><topic>Knee Joint - physiology</topic><topic>Knee Joint - surgery</topic><topic>Male</topic><topic>Medical sciences</topic><topic>Middle Aged</topic><topic>Orthopedic surgery</topic><topic>Osteotomy</topic><topic>Patella - surgery</topic><topic>Sports medicine</topic><topic>Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases</topic><topic>Tibia - surgery</topic><topic>Tissues, organs and organisms biophysics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ramappa, Arun J.</creatorcontrib><creatorcontrib>Apreleva, Maria</creatorcontrib><creatorcontrib>Harrold, Fraser R.</creatorcontrib><creatorcontrib>Fitzgibbons, Peter G.</creatorcontrib><creatorcontrib>Wilson, David R.</creatorcontrib><creatorcontrib>Gill, Thomas J.</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>Physical Education Index</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Nursing & Allied Health Premium</collection><collection>MEDLINE - Academic</collection><jtitle>The American journal of sports medicine</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ramappa, Arun J.</au><au>Apreleva, Maria</au><au>Harrold, Fraser R.</au><au>Fitzgibbons, Peter G.</au><au>Wilson, David R.</au><au>Gill, Thomas J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The Effects of Medialization and Anteromedialization of the Tibial Tubercle on Patellofemoral Mechanics and Kinematics</atitle><jtitle>The American journal of sports medicine</jtitle><addtitle>Am J Sports Med</addtitle><date>2006-05-01</date><risdate>2006</risdate><volume>34</volume><issue>5</issue><spage>749</spage><epage>756</epage><pages>749-756</pages><issn>0363-5465</issn><eissn>1552-3365</eissn><coden>AJSMDO</coden><abstract>Background: Medialization and anteromedialization of the tibial tubercle are used to correct patellar subluxation in adults.
Purpose: To compare the effects of the 2 osteotomies on patellofemoral joint contact pressures and kinematics.
Study Design: Controlled laboratory study.
Methods: Tibial tubercle osteotomies were performed on 10 cadaveric human knees. The knees were tested between 0° and 90° of flexion
while dynamic patellofemoral joint contact pressure and kinematic data were simultaneously obtained. Four conditions were
tested: normal knee alignment, simulated increased Q angle, postmedialization of the tibial tubercle, and postanteromedialization
of the tubercle.
Results: An increased Q angle laterally translated the patella, shifted force to the lateral facet, and increased patella contact
pressures. Both medialization and anteromedialization partially corrected the abnormal contact pressures. Medialization partially
corrected the shift of force to the lateral facet induced by an increased Q angle, whereas the anteromedialization could not.
Both medialization and anteromedialization corrected the patella maltracking.
Conclusion: Medialization and anteromedialization are equivalent in their ability to correct abnormal patellar mechanics and kinematics.
Keywords:
knee
biomechanics
patellofemoral
osteotomy</abstract><cop>Los Angeles, CA</cop><pub>American Orthopaedic Society for Sports Medicine</pub><pmid>16436533</pmid><doi>10.1177/0363546505283460</doi><tpages>8</tpages></addata></record> |
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| issn | 0363-5465 1552-3365 |
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| subjects | Adult Adults Aged Biological and medical sciences Biomechanical Phenomena Biomechanics Biomechanics. Biorheology Bones Cadaver Comparative studies Diseases of the osteoarticular system Female Femur - surgery Fundamental and applied biological sciences. Psychology Human mechanics Humans Kinematics Knee Knee Injuries - physiopathology Knee Injuries - surgery Knee Joint - physiology Knee Joint - surgery Male Medical sciences Middle Aged Orthopedic surgery Osteotomy Patella - surgery Sports medicine Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases Tibia - surgery Tissues, organs and organisms biophysics |
| title | The Effects of Medialization and Anteromedialization of the Tibial Tubercle on Patellofemoral Mechanics and Kinematics |
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