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Does pelvic asymmetry in children is related to pelvic asymmetry of their parents?

Does pelvic asymmetry in children is related to
pelvic asymmetry of their parents?
Maciej J Dluski
From The 10th Meeting of the International Research Society of Spinal Deformities (IRSSD 2014 Sapporo)
Sapporo, Japan. 29 June - 2 July 2014
Asymmetry within the pelvic structure can lead to a cas-
cade of postural compensations throughout the spine,
predisposing people to recurrent somatic dysfunction
and decreased functionality. As a basic structural ele-
ment, the pelvis should be fully symmetric with respect
to the sagittal plane. However, many studies conducted
by different researchers showed, that the asymmetry of
the pelvis is a very common case. This asymmetry was
recorded as a result of various types of measurements
made on the basis of X-rays, TK as well as sectional
preparations. The reason for this was seen in the shor-
tened one of the lower limbs or the lumbar spine
The aim of this paper is to answer the question: If
there is any relationship between pelvic asymmetry in
children and pelvic asymmetry of their parents?
Material and methods
A total of 180 volunteer subjects were included in the
study and classified into 60 groups. Each group included
one child (aged 3-17 years, 30 males and 30 females)
ART- Centre of Natural Therapies, Rzeszow, Poland
Figure 1 The method of measurements (childs pelvic)
Dluski Scoliosis 2015, 10(Suppl 1):P14
© 2015 Dluski; licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons
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and its biological parents; mothers aged 29 to 50 and
fathers aged 30 to 52. To determine the asymmetry of
the pelvis, each person was tested in the same manner.
The palpation examination of anatomical landmarks
(the highest points of iliac crest) has been carried out in
a symmetrical prone position of the tested one.
Approved measurement accuracy was 0.5 centimeters.
Type of asymmetry marked as the term, which iliac
crest was more distant from the investigator. Method of
the study is shown in a Figure 1.
The results of measurements of pelvic symmetry are
presented in Tables 1 and 2.
The carried out research shows that there is a relation-
ship between the laying of the pelvic bones of the child
and mother. Correlation of the measured displacement
is significant and amounts to 0.65. In terms of type of
asymmetry is a very strong correlation and its value is
equal to 0.93. The compound of symmetry of the pelvis
of the child and father is negligible. Although the corre-
lation is negative (respectively - 0.24 and - 0.34, inverse
correlation), the strength of this correlation is small and
irrelevant. The results encourage further exploration.
The problem is still open.
Written informed consent was obtained from the patient
for the image(s) used in this study. A copy of the writ-
ten consent is available for review by the Editor of this
Competing interests
The author declare that they have no competing interests.
Published: 19 January 2015
Cite this article as: Dluski: Does pelvic asymmetry in children is related
to pelvic asymmetry of their parents? Scoliosis 2015 10(Suppl 1):P14.
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Table 1 Measurement of the pelvis (type). Number and
percentage of cases
Type Child Mother Father
Neutral 7 11% 8 13% 28 46%
Left * 2 3% 0 0% 1 2%
Right * 51 86% 52 87% 31 52%
* iliac crest more distant from the investigator
Table 2 Correlation between pelvic asymmetry/symmetry
in children and their parents (value and type)
Child Mother Father
Value 0.65 -0.24
Type 0.93 -0.34
Marked correlations are significant at p < 0,05
Dluski Scoliosis 2015, 10(Suppl 1):P14
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