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dc.contributor.advisorKeegan, Kevineng
dc.contributor.authorAl Abidi, Adameng
dc.date.issued2012eng
dc.date.submitted2012 Springeng
dc.descriptionTitle from PDF of title page (University of Missouri--Columbia, viewed on September 10, 2012).eng
dc.descriptionThe entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file.eng
dc.descriptionThesis advisor: Dr. Kevin Keeganeng
dc.descriptionIncludes bibliographical references.eng
dc.descriptionM.S. University of Missouri-Columbia 2012.eng
dc.descriptionDissertations, Academic -- University of Missouri--Columbia -- Veterinary biomedical sciences.eng
dc.description"May 2012"eng
dc.description.abstractReason for performing the study: An inertial sensor-based system (Lameness Locator® [LL]) can help veterinarians detect mild lameness. It would be beneficial if this tool could also be used to distinguish lamenesses produced by lesions in different structures. Hypotheses: Coffin arthritis predominantly causes impact lameness while shoulder arthritis predominantly causes pushoff lameness. Objective: To investigate if shoulder arthritis causes pushoff lameness and coffin arthritis causes impact lameness and if these lamenesses can be differentiated by comparing the phase angle of the resultant ray calculated by the LL. Methods: Using a crossover design, coffin and shoulder arthritis were alternately induced in 12 horses with intra-articular injection of IL-1β. Immediately before injection and every 6-12 h thereafter, the horses were evaluated with the LL. This evaluation was performed while the horses were trotted in hand in a straight line on a hard surface for about 120m. The phase angle (= arctangent [MINDIFF mean / MAXDIFF mean]) of each type of lameness (coffin or shoulder arthritis) were compared with the Wilcoxon signed-rank test using data from the last time point before lameness was no longer detectable. Results: No difference could be detected (p=0.625) between the phase angle when coffin (median, 81˚; range, 58-123˚) and shoulder arthritis (median, 86˚; range, 59-104˚) were compared. Conclusion: Coffin arthritis and shoulder arthritis did not consistently cause impact lameness and pushoff lameness, respectively.eng
dc.format.extentv, 34 pageseng
dc.identifier.merlinb94298166eng
dc.identifier.oclc818879796eng
dc.identifier.otherAl AbidiA-050412-T1702eng
dc.identifier.urihttp://hdl.handle.net/10355/15236eng
dc.languageEnglisheng
dc.publisherUniversity of Missouri--Columbiaeng
dc.relation.ispartofcommunityUniversity of Missouri-Columbia. Graduate School. Theses and Dissertationseng
dc.subjectcoffin arthritiseng
dc.subjectshoulder arthritiseng
dc.subjectinertial sensor-based systemeng
dc.subjectlamenesseng
dc.subject.lcshLameness in horses -- Etiologyeng
dc.subject.lcshLameness in horses -- Diagnosiseng
dc.subject.lcshArthritis in animals -- Etiologyeng
dc.subject.lcshHorses -- Diseaseseng
dc.titleAnalysis of coffin and shoulder joint lameness with an inertial sensor-based system: impact versus pushoffeng
dc.typeThesiseng
thesis.degree.disciplineVeterinary biomedical sciences (MU)eng
thesis.degree.grantorUniversity of Missouri--Columbiaeng
thesis.degree.levelMasterseng
thesis.degree.nameM.S.eng


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