Morphology of the pelvis (acetabulum) and femur

Masaaki Maruyama, Judy R. Feinberg, William Capello, James A. D'Antonio

Research output: Chapter in Book/Report/Conference proceedingChapter

2 Scopus citations


Introduction: There are gender differences between male and female in morphology of the pelvis and femur. To confirm this finding, we studied the pelves and femurs in Department of Anthropology, Cleveland Natural History of Museum. Materials and Methods: The bones of 50 males and 50 females (total 200 hip joints) were selected from 3,300 skeletons in the museum at random under the following condition: the same distribution of age between the two groups, such as 5 (under 40), 5 (40-49), 15 (50-59), 15 (60-69), 10 (70 or more); and 20% of black in each age class of the groups. The notch acetabular angle was defined as an angle between a line connected the sciatic notch with the posterior acetabular ridge and a line connected both the posterior and anterior acetabular ridge. Each anteversion angle and inclination of the acetabulum, and antetorsion angle of the femur was also measured and statistically analyzed. The results were analyzed by unpaired t-test and considered p values of less than 0.05 to be significant. Femoral configuration, such as antetorsion of the femoral neck, neck shaft angle, medial offset of the femoral head, anterior bowing and lateral bowing of the femoral shaft was also examined in direct measurement and in radiographs. Results: The shape of the anterior column of the acetabulum was classified in four types, such as straight, curved, angular, and irregular. Most of the pelves have the curved configuration (60.5%). The notchacetabular angle was 88.4 ± 3.0° in male and 89.6 ± 3.8° in female (p=0.013). All of the angles were ranged within 90 ± 10°. The anteversion angle of the acetabulum was 18.5 ± 5.8° in male and 21.3 ± 7.1° in female (p=0.002). The antetorsion angle of the femoral neck was 9.8 ± 9.0° in male and 9.8 ± 8.0° in female (p=0.954). There were no correlations between the notch acetabular angle and the other angles (r2

Original languageEnglish (US)
Title of host publicationTrabecular and Cortical Bone: Morphology, Biomechanics and Clinical Implications
PublisherNova Science Publishers, Inc.
Number of pages27
ISBN (Print)9781628087673, 9781628087666
StatePublished - Oct 1 2013

ASJC Scopus subject areas

  • Medicine(all)

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    Maruyama, M., Feinberg, J. R., Capello, W., & D'Antonio, J. A. (2013). Morphology of the pelvis (acetabulum) and femur. In Trabecular and Cortical Bone: Morphology, Biomechanics and Clinical Implications (pp. 163-189). Nova Science Publishers, Inc..