| Correlation between trochlear groove depth and patellar position during open and closed kinetic chain exercises in subjects with anterior knee pain. | |
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MedLine Citation:
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PMID: 22890436 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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The purpose of this study was to correlate the trochlear shape and patellar tilt angle and lateral patellar displacement at rest and maximal voluntary isometric contraction (MVIC) exercises during open (OKC) and closed kinetic chain (CKC) in subjects with and without anterior knee pain. Subjects were all women, 20 who were clinically healthy and 19 diagnosed with anterior knee pain. All subjects were evaluated and subjected to magnetic resonance exams during OKC and CKC exercise with the knee placed at 15, 30, and 45 degrees of flexion. The parameters evaluated were sulcus angle, patellar tilt angle and patellar displacement using bisect offset. Pearson's r coefficient was used, with p < .05. Our results revealed in knee pain group during CKC and OKC at 15 degrees that the increase in the sulcus angle is associated with a tilt increase and patellar lateral displacement. Comparing sulcus angle, patellar tilt angle and bisect offset values between MVIC in OKC and CKC in the knee pain group, it was observed that patellar tilt angle increased in OKC only with the knee flexed at 30 degrees. Based on our results, we conclude that reduced trochlear depth is correlated with increased lateral patellar tilt and displacement during OKC and CKC at 15 degrees of flexion in people with anterior knee pain. By contrast, 30 degrees of knee flexion in CKC is more recommended in rehabilitation protocols because the patella was more stable than in other positions. |
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Authors:
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Lílian Ramiro Felicio; Marcelo Camargo Saad; Rogério Ferreira Liporaci; Augusto do Prado Baffa; Antônio Carlos Dos Santos; Débora Bevilaqua-Grossi |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of applied biomechanics Volume: 28 ISSN: 1065-8483 ISO Abbreviation: J Appl Biomech Publication Date: 2012 Jul |
Date Detail:
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Created Date: 2012-08-14 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9315240 Medline TA: J Appl Biomech Country: United States |
Other Details:
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Languages: eng Pagination: 335-42 Citation Subset: IM |
Affiliation:
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Program in Orthopedics, Traumatology and Rehabilitation, Ribeirão Preto School of Medicine, University of São Paulo, São Paulo, Brazil. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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