Abstract
Adolescent forms of idiopathic scoliosis are commonly encountered deformities of the thoracic and lumbar spine. They affect a significant number of adolescents, yet their cause is still unknown. The presented research is a cross-sectional analysis of 3933 volunteers (2131 girls and 1802 boys). The participants were primary school students aged 9 to 13 years old. This study determined a relationship between predictors such as: body mass, body height and body mass index (BMI) (independent variables) and angle of trunk rotation (ATR) value (dependent variable). Moreover, a stepwise multiple regression with backward selection was conducted to determine to what extent the dependent variable is explained by body mass, body height and BMI. In the group of 11,12,13-year-old girls, the analyzed results of multiple stepwise regression were statistically significant. Among the all studied predictors, it has been shown that body mass in the 11-year-old girls and body height in 12- and 13-year-old girls are major correlates of a 1-year ATR increase in proximal and main thoracic spine levels.
Highlights
Adolescent idiopathic scoliosis (AIS) curves are a complex of three-dimensional deformities that require adequate correction in all three dimensions, coronal, sagittal and axial planes [1]
The aim of the study was to (1) detect the children who had an increase in ATR values in at least at one of the spine levels examined in a one-year follow-up, (2) present the differences between the angle of trunk rotation (ATR) values in annual observation, (3) determine the relationship between body mass, body height, body mass index (BMI) and angle of trunk rotation value in school children
The relationship between ∆ ATR, and the body mass, body height, and BMI introduced in the stepwise multiple regression analysis was not statistically significant in girls aged 9 and 10 years
Summary
Adolescent idiopathic scoliosis (AIS) curves are a complex of three-dimensional deformities that require adequate correction in all three dimensions, coronal, sagittal and axial planes [1]. The adolescent forms of IS are commonly encountered deformities of the lumbar and thoracic spine. Researchers have focused on genetic factors, metabolic and hormonal disorders [2], growth asymmetry with mechanical and connective tissue abnormalities, asymmetrical and high loads associated with wearing school backpacks, and the asymmetry of load distribution in the lower limbs [3]. Children and adolescents with scoliosis might look thinner and taller than normal [5]. An ectomorphic body shape (thin), especially in girls, is considered to be a risk factor for idiopathic scoliosis [6].
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