Anthropometric Tomographic Study of the Hip in a Brazilian Regional Population^[*]

Abstract

Objective The present study aimed to determine the average hip anthropometry of a regional Brazilian population using measurements based on computerized axial tomography (CAT).

Methods Retrospective, descriptive analysis of hip measurements from 200 abdominal CATs from patients visiting a medical center. The tests were selected at random to determine 30 previously defined anthropometric measurements. The data were statistically analyzed and compared according to gender and age.

Results The prevalence of hip dysplasia was 6%. Signs suggesting femoroacetabular impingement were seen in 26% of cases. Patients over 50 years old presented significantly greater measures of horizontal acetabulum sectors, center-edge angle, and acetabular arch, as well as lower extrusion index, cervical-diaphyseal angle and vertical offset. Some measurements were significantly different according to gender: the lateral center-edge angle (µ = 35.5°) and the acetabular arch (µ = 68.7°) were higher in females. Males presented increased extrusion index (µ = 16%), lateral offset (µ = 38.3 mm), depth (µ = 19.5 mm), and neck diameter (µ = 26.4 mm).

Conclusion The present study characterized the hip anthropometry of a regional Brazilian population. It also demonstrated significant morphological differences per age group and gender.

Keywords

anthropometry - arthroplasty - hip joint - tomography, x-ray computed

Financial Support

There was no financial support from public, commercial, or non-profit sources.

^* Study developed by the Hip Group from CRIAr – Centro de Reconstrução e Instituto de Pesquisa Articular, Hospital Angelina Caron, Campina Grande do Sul, Paraná, Brazil.

Publication History

Received: 17 May 2020

Accepted: 11 February 2021

Article published online:
13 December 2021

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