Authors: Šarčević, Zoran
Tepavčević, Andreja 
Title: Association between adolescent idiopathic scoliosis and sacroiliac joint dysfunction in young athletes: A case control study
Journal: Medicine
Volume: 98
Issue: 15
First page: e15161
Issue Date: 1-Apr-2019
Rank: M22
ISSN: 1536-5964
DOI: 10.1097/MD.0000000000015161
Abstract: 
Adolescent idiopathic scoliosis (AIS) is the most common form of scoliosis, a 3-dimensional deviation in the axis of the spine. Etiology of AIS is unclear and the general belief is that AIS is multifactorial disorder possibly caused by different factors. It would be worthwhile to reveal new factors associated with AIS. The present study aimed to investigate association between sacroiliac joint (SIJ) dysfunction and AIS in young athletes.This case-control study included 196 children athletes (basketball, football, volleyball, handball, ballet, and others), 82 males and 114 females aged 8 to 17, 98 of them with the diagnosis of AIS. The case group consisted of young athletes examined at a regular checkup by a sport physician and diagnosed with AIS. The control group consisted of athletes matched to the case group according to sex, age, sports, number of training years and number of training hours per week, but without AIS.The scoliosis was diagnosed with Adams' forward bend test and the scoliometer measurement. The SIJ dysfunction was determined using the palpation meter (PALM) measuring the sagittal pelvic position in standing position and in standing position with the hip flexion angle of 90°. The data were analyzed using Student t test, Mann-Whitney U test, contingency coefficients, and logistic regression.The average difference in pelvic position in the sagittal plane (in standing position), with and without hip flexion 90° was found to be statistically different in the case and the control groups (t = 13.88, P = .00). There was a strong positive association between variables representing presence of AIS and SIJ dysfunction (determined by contingency coefficient C = 0.62, coefficient Phi = 0.79 and tetrachoric correlation coefficient 0.95).The logistic regression indicated that the average difference in pelvic position in the sagittal plane (in standing position), with and without hip flexion 90° was significantly associated with the probability of scoliosis in young athletes (P = .00, Wald test).There was a strong positive association between SIJ dysfunction and AIS in young athletes.
Publisher: NLM (Medline)

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