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Flexion, tilt and spin of the patella were described in terms of rotation angles from 0\u00b0. The location of the patella and the tibial tubercle were evaluated using parameters expressed as percentage patellar shift and percentage tubercle shift. Patellar inclination to the femur was also measured and patellofemoral contact was qualitatively and quantitatively analysed. <\/jats:p><jats:p> The patients had greater values of spin from 20\u00b0 to 50\u00b0, while there were no statistically significant differences in flexion and tilt. The patients also had greater percentage patellar shift from 0\u00b0 to 50\u00b0, percentage tubercle shift at 0\u00b0 and 10\u00b0 and patellar inclination from 0\u00b0 to 50\u00b0 with a smaller oval-shaped contact area from 20\u00b0 to 50\u00b0 moving downwards on the lateral facet. <\/jats:p><jats:p> Patellar movement analysis using a three-dimensional computer model is useful to clearly demonstrate differences between patients with recurrent dislocation of the patella and normal control subjects. <\/jats:p>","DOI":"10.1302\/0301-620x.89b6.18515","type":"journal-article","created":{"date-parts":[[2007,7,5]],"date-time":"2007-07-05T04:05:54Z","timestamp":1183608354000},"page":"752-760","source":"Crossref","is-referenced-by-count":32,"title":["<i>In vivo<\/i> movement analysis of the patella using a three-dimensional computer model"],"prefix":"10.1302","volume":"89-B","author":[{"given":"Y.","family":"Yamada","sequence":"first","affiliation":[{"name":"Department of Orthopaedics"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Y.","family":"Toritsuka","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Sports Medicine, Kansai Rosai Hospital, 3-1-69, Inabaso, Amagasaki, Hyogo 660-0064, Japan."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"S.","family":"Horibe","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Sports Medicine, Osaka Rosai Hospital, 1179-3, Nagosonecho, Sakai, Osaka 591-8025, Japan."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"K.","family":"Sugamoto","sequence":"additional","affiliation":[{"name":"Locomotor Biomaterials Limited to the Joint Surgery, Osaka University Graduate School of Medicine, 2-2, Yamadaoka, Suita, Osaka 565-0871, Japan."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"H.","family":"Yoshikawa","sequence":"additional","affiliation":[{"name":"Department of Orthopaedics"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"K.","family":"Shino","sequence":"additional","affiliation":[{"name":"Faculty of Comprehensive Rehabilitation, Osaka Prefecture University, 3-7-30, Habikino, Habikino, Osaka 583-0872, Japan."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"42","reference":[{"key":"R1","doi-asserted-by":"crossref","unstructured":"Brossmann J, Muhle C, Schroder C, et al. 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