The relationship between anthropometric measurements and the bony pelvis in African American and European American women

Ridgeway, Beri; Arias, Beatriz E.; Barber, Matthew D.

doi:10.1007/s00192-011-1416-1

Cited by 22 publications

(20 citation statements)

References 12 publications

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“…The measures of the midplane area have significant negative partial correlation with femoral length [13]. In addition, the bispinous diameter has no correlation with height [11,16]. Therefore, the females with a shorter stature can have a wider pelvic midplane and on the contrary.…”

Section: Discussionmentioning

confidence: 98%

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Female pelvis types and age differences in their distribution

Koļesova

Vētra

2012

PoA

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The aim of this study was a statistics-based exploration of a typology of the female pelvis. The research sample included 172 females aged from 18 to 69. For measurements, the three dimensional CT images of pelvis were used. A cluster analysis was performed on anteroposterion and transverse diameters of the pelvic inlet and the midplane. The results revealed three clusters representing gynecoid, "narrow", and intermediate types of female pelvis. The distribution of pelvic types in age groups indicates a tendency for the "narrow" pelvis to be presented more frequently in the group of younger females.Variability and typology of the female pelvis is a traditional topic in anthropological studies [3,4,13,17]. The best known classification of the female pelvis was suggested by Caldwell and Moloy in 1933 [3] and it was based on the pelvic inlet shape. In the frame of this classification, four main pelvic types were suggested: gynecoid, android, anthropoid, and platypelloid. The development of this classification resulted in the identification of the mixed types and subtypes based on the width of the pelvic outlet [3]. As a result, more than twenty subtypes were suggested that complicated their analytical implication. In addition, the critics of this classification addressed the subjective impression in the judgments of pelvic shapes without a well established statistical base [19].A tendency of increase in cesarean section is observed in the last decades [2,5,9,15]. In Latvia, the number of cesarean section delivery is growing from 3. 9% in 1980 to 23.7% in 2010 [18]. A narrow pelvis is one of the factors increasing the risk for cesarean section [12]. On the one hand, there is a solution for the narrow pelvis problem from the obstetric perspective. On the other hand, a more detailed analysis is needed from the anthropological perspective because of possible evolutionary trends in the human body in general OKSANA KOLESOVA, JĀNIS VĒTRA

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Section: Discussionmentioning

confidence: 98%

“…The women's height increased for 6 cm, shoulder breadth increased for 0.6 cm, and the hip breadth increased for 2.9 cm [8]. Based on the relationship between the lesser pelvic parameters and height observed in previous studies [7,11,13], it is possible to expect that parameters of the lesser pelvis also changed during the last 6-7 decades.…”

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confidence: 99%

Female pelvis types and age differences in their distribution

Koļesova

Vētra

2012

PoA

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“…It can be expected that the relationship between their parameters can be closer than the relationship with other anthropometric measures and the true pelvis, but the previous studies revealed a relatively low level of correlations between some diameters of the false and the true pelvis in females [10,20]. Th e relationships of these dimensions in males are not presented in literature.…”

Section: Introductionmentioning

confidence: 98%

“…Th e relationships of these dimensions in males are not presented in literature. In addition, the most part of the studies on the relationships among parameters was performed on skeletal collections without taking into account pelvic joints [5,6,10,17]. Th erefore, this study focuses on two aspects of the prediction of the bispinous diameter: 1) the relationship between the false pelvis and the true pelvis, which is not explored in males; 2) the sexual dimorphism in this prediction, which seems to be topical for measures in live humans.…”

Section: Introductionmentioning

confidence: 99%

Predictors of the narrowest pelvic cavity diameter in live females and males

Koļesova

Vētra

2013

PoA

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The aim of this study was to specify the predictors of the narrowest pelvic diameter in females and males. Possible common tendencies and sexual dimorphism in this prediction are in question for measures in live humans. In addition, the relationship between the false pelvis and the true pelvis was not explored in males. The research sample included 211 females and 181 males, who underwent the computer tomography examination in the Hospital Gailezers, Latvia. Three-dimensional pelvic images were used for 12 linear measurements (8 diameters of the pelvic cavity in four pelvic levels, conjugata diagonalis, and 3 diameters of the false pelvis). The results demonstrated that the most powerful predictors of the bispinous diameter are the transverse diameter of the inlet and the bituberous diameter. These predictors are significant for both sexes. Sexual dimorphism manifests itself in a greater number of predictors and higher variance explained by these predictors in females. There is no statistical evidence for an accurate prediction of the bispinous diameter based on the diameters of the false pelvis.

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“…Any number of measures have been used to characterize differences in pelvic morphology, including pubic arch angle, diameter of the pelvic inlet, pelvic depth (i.e., anterior-posterior distance between the pubic tubercles and posterior superior iliac spines [PSISs]), and distance between the anterior superior iliac spine (ASIS) (Figure 1) [11][12][13]. Whether these measurements are strongly correlated with the Skeletal ML or account for the unique variance not already described by sex is unknown.…”

Section: Introductionmentioning

confidence: 99%

Prediction of Skeletal Medial-Lateral for transfemoral ischial containment sockets

et al. 2016

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Abstract-Accurate measurement of the pelvis is critical for well-fitting and comfortable ischial containment sockets. The "Skeletal Medial-Lateral (ML)" is intrusive and unreliable to measure in vivo. This study aimed to determine how accurately the Skeletal ML could be predicted and to identify which measurements were significant predictors. Computed tomography scans were randomly sampled from a cadaveric database (n = 200). Inclusion criteria were age > 20 yr; lower-limb alignment that replicated the anatomical position; and no evidence of osteological trauma, implants, or bony growths. Multivariate linear regression models were developed to predict the Skeletal ML based on a suite of independent variables, including sex, body mass, and distance between pelvic landmarks. The regression model explained 76% of the variance in the Skeletal ML (p < 0.001). Variables that contributed significantly to the prediction of the Skeletal ML (p < 0.05) included body mass, sex, inter-greater trochanter distance, pelvic depth, and age. Significant predictors of the Skeletal ML dimension characterize variation in subcutaneous adipose tissue thickness and pelvic morphology. The Skeletal ML could be predicted with relatively small errors (standard error of estimate = 7 mm) that could be easily and reliably adjusted during socket fitting. Further research is needed to test the predictive tool in a real-world setting.

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The relationship between anthropometric measurements and the bony pelvis in African American and European American women

Abstract: Height and other anthropometric measurements were significantly correlated with the true conjugate and pelvic inlet and outlet areas.

Cited by 22 publications

References 12 publications

Female pelvis types and age differences in their distribution

Female pelvis types and age differences in their distribution

Predictors of the narrowest pelvic cavity diameter in live females and males

Prediction of Skeletal Medial-Lateral for transfemoral ischial containment sockets

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