{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,14]],"date-time":"2026-04-14T20:39:18Z","timestamp":1776199158574,"version":"3.50.1"},"reference-count":0,"publisher":"British Editorial Society of Bone & Joint Surgery","issue":"6","license":[{"start":{"date-parts":[[2000,8,1]],"date-time":"2000-08-01T00:00:00Z","timestamp":965088000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/online.boneandjoint.org.uk\/TDM"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["The Journal of Bone and Joint Surgery. British volume"],"published-print":{"date-parts":[[2000,8]]},"abstract":"<jats:p> We present a case of superior dislocation of the patella trapped by interlocked osteophytes. Unlike previous reports, in which the mechanism resulted from a blow to the inferior pole, it is postulated that increased load on the extensor mechanism, combined with patella alta and patellofemoral osteophytes, caused locking of the knee in extension. <\/jats:p>","DOI":"10.1302\/0301-620x.82b6.0820890","type":"journal-article","created":{"date-parts":[[2018,2,21]],"date-time":"2018-02-21T11:50:31Z","timestamp":1519213831000},"page":"890-890","source":"Crossref","is-referenced-by-count":37,"title":["A LOCKED KNEE IN EXTENSION: A COMPLICATION OF A DEGENERATE KNEE WITH PATELLA ALTA"],"prefix":"10.1302","volume":"82-B","author":[{"given":"T. G.","family":"McWilliams","sequence":"first","affiliation":[{"name":"Pontefract General Infirmary, Friarwood Lane, Pontefract, West Yorkshire WF8 1PL, UK."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M. S.","family":"Binns","sequence":"additional","affiliation":[{"name":"Pontefract General Infirmary, Friarwood Lane, Pontefract, West Yorkshire WF8 1PL, UK."}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"42","container-title":["The Journal of Bone and Joint Surgery. British volume"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/online.boneandjoint.org.uk\/doi\/pdf\/10.1302\/0301-620X.82B6.0820890","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/online.boneandjoint.org.uk\/doi\/pdf\/10.1302\/0301-620X.82B6.0820890","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2021,8,16]],"date-time":"2021-08-16T19:21:53Z","timestamp":1629141713000},"score":1,"resource":{"primary":{"URL":"https:\/\/online.boneandjoint.org.uk\/doi\/10.1302\/0301-620X.82B6.0820890"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2000,8]]},"references-count":0,"aliases":["10.1302\/0301-620x.82b6.10483","10.1302\/0301-620x.82b6.10483"],"journal-issue":{"issue":"6","published-print":{"date-parts":[[2000,8]]}},"alternative-id":["10.1302\/0301-620X.82B6.0820890"],"URL":"https:\/\/doi.org\/10.1302\/0301-620x.82b6.0820890","relation":{},"ISSN":["0301-620X","2044-5377"],"issn-type":[{"value":"0301-620X","type":"print"},{"value":"2044-5377","type":"electronic"}],"subject":[],"published":{"date-parts":[[2000,8]]}}}