{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,8]],"date-time":"2026-05-08T00:30:14Z","timestamp":1778200214688,"version":"3.51.4"},"reference-count":16,"publisher":"British Editorial Society of Bone & Joint Surgery","issue":"11_Supple_A","license":[{"start":{"date-parts":[[2012,11,1]],"date-time":"2012-11-01T00:00:00Z","timestamp":1351728000000},"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":[[2012,11]]},"abstract":"<jats:p>Large femoral heads have been used with increasing frequency over the last decade. The prime reason is likely the effect of large heads on stability. The larger head neck ratio, combined with the increased jump distance of larger heads result in a greater arc of impingement free motion, and greater resistance to dislocation in a provocative position. Multiple studies have demonstrated clear clinical efficacy in diminishing dislocation rates with the use of large femoral heads. With crosslinked polyethylene, wear has been shown to be equivalent between larger and smaller heads. However, the stability advantages of increasing diameter beyond 38 mm have not been clearly demonstrated. More importantly, recent data implicates large heads in the increasing prevalence of groin pain and psoas impingement. There are clear benefits with larger femoral head diameters, but the advantages of diameters beyond 38 mm have not yet been demonstrated clinically.<\/jats:p>","DOI":"10.1302\/0301-620x.94b11.30508","type":"journal-article","created":{"date-parts":[[2012,11,1]],"date-time":"2012-11-01T12:38:47Z","timestamp":1351773527000},"page":"52-54","source":"Crossref","is-referenced-by-count":36,"title":["Large diameter heads"],"prefix":"10.1302","volume":"94-B","author":[{"given":"J. A.","family":"Rodriguez","sequence":"first","affiliation":[{"name":"Center For joint Preservation & Reconstruction, North Shore LIJ\/Lenox Hill Hospital, 130 E 77th street, 11th floor, New York, NY-10075, USA."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"P. 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