Nonweight-bearing anterior knee laxity is related to anterior tibial translation during transition from nonweight bearing to weight bearing
We examined the relationship between anterior knee laxity (AKL), evaluated while the knee was nonweight bearing, and anterior translation of the tibia relative to the femur (ATT), evaluated when the knee transitioned from nonweight‐bearing to weight‐bearing conditions in response to an applied compr...
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Veröffentlicht in: | Journal of orthopaedic research 2006-03, Vol.24 (3), p.516-523 |
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description | We examined the relationship between anterior knee laxity (AKL), evaluated while the knee was nonweight bearing, and anterior translation of the tibia relative to the femur (ATT), evaluated when the knee transitioned from nonweight‐bearing to weight‐bearing conditions in response to an applied compressive load at the foot. Twenty subjects with normal knees (10 M, 10 F; 25.2 ± 4.1 years, 169.8 ± 11.5 cm, 71.6 ± 16.9 kg) underwent measurements of AKL and ATT of the right knee on 2 days. AKL was measured at 133N with the KT‐2000™. ATT was measured with the Vermont Knee Laxity Device and electromagnetic position sensors attached to the patella and the anteromedial aspect of the proximal tibia. Three trials for each measure were averaged and analyzed. Measurement consistency was high for both AKL (ICC = 0.97; SEM = 0.44 mm) and ATT (ICC = 0.88; SEM = 0.84 mm). Linear regression revealed that AKL predicted 35.5% of the variance in ATT (p = 0.006), with a prediction equation of YATT = 3.20 + 0.543(XAKL). Our findings suggest that increased AKL is associated with increased ATT as the knee transitions from nonweight‐bearing to weight‐bearing conditions. The potential for increased knee joint laxity to disrupt normal knee biomechanics during activities such as landing from a jump, or the foot strike phase of gait deserves further study. © 2006 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 24:516–523, 2006 |
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Twenty subjects with normal knees (10 M, 10 F; 25.2 ± 4.1 years, 169.8 ± 11.5 cm, 71.6 ± 16.9 kg) underwent measurements of AKL and ATT of the right knee on 2 days. AKL was measured at 133N with the KT‐2000™. ATT was measured with the Vermont Knee Laxity Device and electromagnetic position sensors attached to the patella and the anteromedial aspect of the proximal tibia. Three trials for each measure were averaged and analyzed. Measurement consistency was high for both AKL (ICC = 0.97; SEM = 0.44 mm) and ATT (ICC = 0.88; SEM = 0.84 mm). Linear regression revealed that AKL predicted 35.5% of the variance in ATT (p = 0.006), with a prediction equation of YATT = 3.20 + 0.543(XAKL). Our findings suggest that increased AKL is associated with increased ATT as the knee transitions from nonweight‐bearing to weight‐bearing conditions. The potential for increased knee joint laxity to disrupt normal knee biomechanics during activities such as landing from a jump, or the foot strike phase of gait deserves further study. © 2006 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 24:516–523, 2006</description><identifier>ISSN: 0736-0266</identifier><identifier>EISSN: 1554-527X</identifier><identifier>DOI: 10.1002/jor.20040</identifier><identifier>PMID: 16456828</identifier><language>eng</language><publisher>Hoboken: Wiley Subscription Services, Inc., A Wiley Company</publisher><subject>Adult ; anterior cruciate ligament ; anterior-posterior tibial displacement ; Biomechanical Phenomena ; Female ; Humans ; Joint Instability - diagnosis ; Joint Instability - physiopathology ; kinematics ; Knee Joint - physiology ; Male ; Movement - physiology ; Range of Motion, Articular - physiology ; Tibia - physiology ; Weight-Bearing - physiology</subject><ispartof>Journal of orthopaedic research, 2006-03, Vol.24 (3), p.516-523</ispartof><rights>Copyright © 2006 Orthopaedic Research Society.</rights><rights>Copyright 2006 Orthopaedic Research Society.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3960-3f6adcaac9b2e058e581f3d2f2f715fed5b2c8b4467d64a8e2d74fabe7dc3e623</citedby><cites>FETCH-LOGICAL-c3960-3f6adcaac9b2e058e581f3d2f2f715fed5b2c8b4467d64a8e2d74fabe7dc3e623</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.20040$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fjor.20040$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,1427,27903,27904,45553,45554,46387,46811</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/16456828$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Shultz, Sandra J.</creatorcontrib><creatorcontrib>Shimokochi, Yohei</creatorcontrib><creatorcontrib>Nguyen, Anh-Dung</creatorcontrib><creatorcontrib>Ambegaonkar, Jatin P.</creatorcontrib><creatorcontrib>Schmitz, Randy J.</creatorcontrib><creatorcontrib>Beynnon, Bruce D.</creatorcontrib><creatorcontrib>Perrin, David H.</creatorcontrib><title>Nonweight-bearing anterior knee laxity is related to anterior tibial translation during transition from nonweight bearing to weight bearing</title><title>Journal of orthopaedic research</title><addtitle>J. Orthop. Res</addtitle><description>We examined the relationship between anterior knee laxity (AKL), evaluated while the knee was nonweight bearing, and anterior translation of the tibia relative to the femur (ATT), evaluated when the knee transitioned from nonweight‐bearing to weight‐bearing conditions in response to an applied compressive load at the foot. Twenty subjects with normal knees (10 M, 10 F; 25.2 ± 4.1 years, 169.8 ± 11.5 cm, 71.6 ± 16.9 kg) underwent measurements of AKL and ATT of the right knee on 2 days. AKL was measured at 133N with the KT‐2000™. ATT was measured with the Vermont Knee Laxity Device and electromagnetic position sensors attached to the patella and the anteromedial aspect of the proximal tibia. Three trials for each measure were averaged and analyzed. Measurement consistency was high for both AKL (ICC = 0.97; SEM = 0.44 mm) and ATT (ICC = 0.88; SEM = 0.84 mm). Linear regression revealed that AKL predicted 35.5% of the variance in ATT (p = 0.006), with a prediction equation of YATT = 3.20 + 0.543(XAKL). Our findings suggest that increased AKL is associated with increased ATT as the knee transitions from nonweight‐bearing to weight‐bearing conditions. The potential for increased knee joint laxity to disrupt normal knee biomechanics during activities such as landing from a jump, or the foot strike phase of gait deserves further study. © 2006 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 24:516–523, 2006</description><subject>Adult</subject><subject>anterior cruciate ligament</subject><subject>anterior-posterior tibial displacement</subject><subject>Biomechanical Phenomena</subject><subject>Female</subject><subject>Humans</subject><subject>Joint Instability - diagnosis</subject><subject>Joint Instability - physiopathology</subject><subject>kinematics</subject><subject>Knee Joint - physiology</subject><subject>Male</subject><subject>Movement - physiology</subject><subject>Range of Motion, Articular - physiology</subject><subject>Tibia - physiology</subject><subject>Weight-Bearing - physiology</subject><issn>0736-0266</issn><issn>1554-527X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp1kF0vBDEUhhshrI8Lf0B6JXExdDr9mL0UYREhhBA3TWd6SpmdrrYb9jf408Z-EBeumrx9znNOXoS2c7KfE0IPXnzYp4QwsoR6Oecs41Q-LKMekYXICBViDa3H-EIIkTktV9FaLhgXJS176PPSt-_gnp5TVoEOrn3Cuk0QnA_4tQXAjf5waYJdxAEancDg5H-R5CqnG5yCbmP363yLzXhqmUZumtjgh7hd7MGLPZ3nb7KJVqxuImzN3w10d3J8e3SaXVwNzo4OL7K66AuSFVZoU2td9ysKhJfAy9wWhlpqZc4tGF7RuqwYE9IIpkugRjKrK5CmLkDQYgPtzryj4N_GEJMaulhD0-gW_DgqIUtCGfkG92ZgHXyMAawaBTfUYaJyor6bV13zatp8x-7MpeNqCOaXnFfdAQcz4N01MPnfpM6vbhbKbDbhYoKPnwkdXrsTC8nV_eVAnTMq-o_312pQfAFSDKFT</recordid><startdate>200603</startdate><enddate>200603</enddate><creator>Shultz, Sandra J.</creator><creator>Shimokochi, Yohei</creator><creator>Nguyen, Anh-Dung</creator><creator>Ambegaonkar, Jatin P.</creator><creator>Schmitz, Randy J.</creator><creator>Beynnon, Bruce D.</creator><creator>Perrin, David H.</creator><general>Wiley Subscription Services, Inc., A Wiley Company</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>200603</creationdate><title>Nonweight-bearing anterior knee laxity is related to anterior tibial translation during transition from nonweight bearing to weight bearing</title><author>Shultz, Sandra J. ; Shimokochi, Yohei ; Nguyen, Anh-Dung ; Ambegaonkar, Jatin P. ; Schmitz, Randy J. ; Beynnon, Bruce D. ; Perrin, David H.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3960-3f6adcaac9b2e058e581f3d2f2f715fed5b2c8b4467d64a8e2d74fabe7dc3e623</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><topic>Adult</topic><topic>anterior cruciate ligament</topic><topic>anterior-posterior tibial displacement</topic><topic>Biomechanical Phenomena</topic><topic>Female</topic><topic>Humans</topic><topic>Joint Instability - diagnosis</topic><topic>Joint Instability - physiopathology</topic><topic>kinematics</topic><topic>Knee Joint - physiology</topic><topic>Male</topic><topic>Movement - physiology</topic><topic>Range of Motion, Articular - physiology</topic><topic>Tibia - physiology</topic><topic>Weight-Bearing - physiology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Shultz, Sandra J.</creatorcontrib><creatorcontrib>Shimokochi, Yohei</creatorcontrib><creatorcontrib>Nguyen, Anh-Dung</creatorcontrib><creatorcontrib>Ambegaonkar, Jatin P.</creatorcontrib><creatorcontrib>Schmitz, Randy J.</creatorcontrib><creatorcontrib>Beynnon, Bruce D.</creatorcontrib><creatorcontrib>Perrin, David H.</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>Shultz, Sandra J.</au><au>Shimokochi, Yohei</au><au>Nguyen, Anh-Dung</au><au>Ambegaonkar, Jatin P.</au><au>Schmitz, Randy J.</au><au>Beynnon, Bruce D.</au><au>Perrin, David H.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Nonweight-bearing anterior knee laxity is related to anterior tibial translation during transition from nonweight bearing to weight bearing</atitle><jtitle>Journal of orthopaedic research</jtitle><addtitle>J. Orthop. Res</addtitle><date>2006-03</date><risdate>2006</risdate><volume>24</volume><issue>3</issue><spage>516</spage><epage>523</epage><pages>516-523</pages><issn>0736-0266</issn><eissn>1554-527X</eissn><abstract>We examined the relationship between anterior knee laxity (AKL), evaluated while the knee was nonweight bearing, and anterior translation of the tibia relative to the femur (ATT), evaluated when the knee transitioned from nonweight‐bearing to weight‐bearing conditions in response to an applied compressive load at the foot. Twenty subjects with normal knees (10 M, 10 F; 25.2 ± 4.1 years, 169.8 ± 11.5 cm, 71.6 ± 16.9 kg) underwent measurements of AKL and ATT of the right knee on 2 days. AKL was measured at 133N with the KT‐2000™. ATT was measured with the Vermont Knee Laxity Device and electromagnetic position sensors attached to the patella and the anteromedial aspect of the proximal tibia. Three trials for each measure were averaged and analyzed. Measurement consistency was high for both AKL (ICC = 0.97; SEM = 0.44 mm) and ATT (ICC = 0.88; SEM = 0.84 mm). Linear regression revealed that AKL predicted 35.5% of the variance in ATT (p = 0.006), with a prediction equation of YATT = 3.20 + 0.543(XAKL). Our findings suggest that increased AKL is associated with increased ATT as the knee transitions from nonweight‐bearing to weight‐bearing conditions. The potential for increased knee joint laxity to disrupt normal knee biomechanics during activities such as landing from a jump, or the foot strike phase of gait deserves further study. © 2006 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 24:516–523, 2006</abstract><cop>Hoboken</cop><pub>Wiley Subscription Services, Inc., A Wiley Company</pub><pmid>16456828</pmid><doi>10.1002/jor.20040</doi><tpages>8</tpages><oa>free_for_read</oa></addata></record> |
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subjects | Adult anterior cruciate ligament anterior-posterior tibial displacement Biomechanical Phenomena Female Humans Joint Instability - diagnosis Joint Instability - physiopathology kinematics Knee Joint - physiology Male Movement - physiology Range of Motion, Articular - physiology Tibia - physiology Weight-Bearing - physiology |
title | Nonweight-bearing anterior knee laxity is related to anterior tibial translation during transition from nonweight bearing to weight bearing |
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