{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,23]],"date-time":"2026-01-23T07:41:46Z","timestamp":1769154106082,"version":"3.49.0"},"reference-count":48,"publisher":"ASME International","issue":"4","content-domain":{"domain":["asmedigitalcollection.asme.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2006,8,1]]},"abstract":"<jats:p>The determination of biomechanical force systems of implanted femurs to obtain adequate strain measurements has been neglected in many published studies. Due to geometric alterations induced by surgery and those inherent to the design of the prosthesis, the loading system changes because the lever arms are modified. This paper discusses the determination of adequate loading of the implanted femur based on the intact femur-loading configuration. Four reconstructions with Lubinus SPII, Charnley Roundback, M\u00fcller Straight and Stanmore prostheses were used in the study. Pseudophysiologic and nonphysiologic implanted system forces were generated and assessed with finite element analysis. Using an equilibrium system of forces composed by the Fx (medially direction) component of the hip contact force and the bending moments Mx (median plane) and My (coronal plane) allowed adequate, pseudo-physiological loading of the implanted femur. We suggest that at least the bending moment at the coronal plane must be restored in the implanted femur-loading configuration.<\/jats:p>","DOI":"10.1115\/1.2205864","type":"journal-article","created":{"date-parts":[[2006,6,30]],"date-time":"2006-06-30T13:17:08Z","timestamp":1151673428000},"page":"579-587","update-policy":"https:\/\/doi.org\/10.1115\/crossmarkpolicy-asme","source":"Crossref","is-referenced-by-count":15,"title":["Simulation of Physiological Loading in Total Hip Replacements"],"prefix":"10.1115","volume":"128","author":[{"given":"A.","family":"Ramos","sequence":"first","affiliation":[{"name":"Departamento de Engenharia Mec\u00e2nica Universidade de Aveiro, 3810-193 Aveiro, Portugal"}]},{"given":"F.","family":"Fonseca","sequence":"additional","affiliation":[{"name":"Faculdade de Ci\u00eancias da Sa\u00fade Universidade da Beira Interior, 6201-001 Covilh\u00e3, Portugal"}]},{"given":"J. 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