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The result is that the fitting error of rotation ellipsoid is smaller than the sphere, and the rotation ellipsoid can describe the shape of the acetabulum better. This shape likely decreases the cases of hip joint subluxation compared to a ball and socket joint.<\/jats:p>","DOI":"10.1115\/1.1607353","type":"journal-article","created":{"date-parts":[[2003,9,18]],"date-time":"2003-09-18T18:54:57Z","timestamp":1063911297000},"page":"260-265","update-policy":"https:\/\/doi.org\/10.1115\/crossmarkpolicy-asme","source":"Crossref","is-referenced-by-count":15,"title":["Shape Analysis and Parameterized Modeling of Hip Joint"],"prefix":"10.1115","volume":"3","author":[{"given":"Juntong","family":"Xi","sequence":"first","affiliation":[]},{"given":"Xin","family":"Hu","sequence":"additional","affiliation":[]},{"given":"Ye","family":"Jin","sequence":"additional","affiliation":[{"name":"Institute of Computer Integrated Manufacturing, Shanghai Jiao Tong University, Post Code 200030 Shanghai, China"}]}],"member":"33","published-online":{"date-parts":[[2003,9,16]]},"reference":[{"key":"2019100609581325900_r1","unstructured":"Harris, W. 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