ObjectiveTo ascertain the geometry of the femur in the Brazilian population by means of a radiographic study and to correlate the values with regard to sex and right/left side.MethodsFive hundred anteroposterior radiographs of the pelvis of skeletally mature patients (250 of each sex) who did not present any osteoarthrosis, fractures or tumoral or infectious lesions were analyzed. The length and width of the femoral neck, length of the femoral axis, neck-shaft angle and femoral offset were measured.ResultsThe following means were observed: 36.54 mm for the length of the femoral neck; 37.48 mm for the width of the femoral neck; 108.42 mm for the length of the femoral axis; 130.47° for the neck-shaft angle; and 44.4 mm for the femoral offset.ConclusionThe mean values for the main measurements on the proximal femur in Brazilians differed from those of previous studies. It could also be shown that there was a statistically significant mean difference between men and women for all the variables, both on the left and on the right side, and that the men had greater means than the women.
r e v b r a s o r t o p . 2 0 1 5;5 0(1):16-21 w w w . r b o . o r g . b r Artigo Original informações sobre o artigo Histórico do artigo: Recebido em 30 de outubro de 2013 Aceito em 5 de dezembro de 2013 On-line em 23 de janeiro de 2015 Palavras-chave: Fêmur/anatomia e histologia Fêmur/fisiologia Radiografia r e s u m o Objetivo: Verificar a geometria do fêmur da população brasileira por meio de estudo radiográfico e correlacionar os valores quanto ao sexo e ao lado direito/esquerdo. Métodos: Foram analisadas 500 radiografias anteroposteriores de bacia de pacientes esqueleticamente maduros, 250 de cada sexo, sem a presença de osteoartrose, fraturas e lesões tumorais ou infecciosas. Foram mensurados os valores do comprimento e da largura do colo do fêmur, do eixo femoral, do ângulo colodiafisário e do offset femoral. Resultados: Observou-se uma média de 36,54 mm do comprimento do colo do fêmur, 37,48 mm da largura do colo do fêmur, 108,42 mm do comprimento do eixo femoral, 130,47 • do ângulo colodiafisário e 44,4 mm do offset femoral. Conclusão: Os valores médios das principais medidas do fêmur proximal dos brasileiros diferem de trabalhos prévios. Foi possível evidenciar também que existe diferença média estatisticamente significante entre homens e mulheres para todas as variáveis, tanto do lado esquerdo quanto do direito, e que os homens tiveram média maior do que as mulheres. © 2014 Sociedade Brasileira de Ortopedia e Traumatologia. Publicado por Elsevier Editora Ltda. Todos os direitos reservados. Radiographic study on the anatomical characteristics of the proximal femur in Brazilian adults Keywords:Femur/anatomy and histology Femur/physiology Radiography a b s t r a c t Objective: To ascertain the geometry of the femur in the Brazilian population by means of a radiographic study and to correlate the values with regard to sex and right/left side.Methods: Five hundred anteroposterior radiographs of the pelvis of skeletally mature patients (250 of each sex) who did not present any osteoarthrosis, fractures or tumoral or infectious lesions were analyzed. The length and width of the femoral neck, length of the femoral axis, neck-shaft angle and femoral offset were measured.
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