Abstract
To investigate the association between sitting posture during the use of school furniture and changes in the spine in adolescents. A cross-sectional study was conducted with 240 students. The sitting position on school furniture was collected five times (3, 6, 9, 12, and 15min). Postural alteration of the spine was identified by direct observation in front of a symmetograph. Screening for scoliosis was obtained by Adams test. The presence of the factor away from the table presented higher percentages at times 3, 6, 9, and 15min (24.2, 25, 29.2, and 26.7%, respectively). At 12min, the highest frequency was the presence of poorly positioned lower limbs (25.8%). Associations were observed between poor sitting posture with changes in head anteriorization and retroversion of the pelvis among women and with thoracic hyperkyphosis in men. The findings suggest that there are sex-dependent associations between poor sitting posture during use of school furniture and spinal alterations in adolescents.
Highlights
IntroductionPostural changes among children and adolescents are considered common findings, a fact that can be explained by the adoption of an inappropriate postural habit during the period of stay in school and in the use of equipment
Postural changes among children and adolescents are considered common findings, a fact that can be explained by the adoption of an inappropriate postural habit during the period of stay in school and in the use of equipmentThe acquisition of incorrect and vicious static postures assumed early in a sitting posture to write on school furniture can damage the curvature of the spine in children and adolescents, because in this period, the locomotor system is in the process of adjusting and maturing [5, 6]
The main findings of the present study suggest sexdependent associations between the position adopted by adolescents between 10 and 16 years old when using school furniture and the presence of postural changes such as anterior head, thoracic kyphosis, and retroversion of the pelvis
Summary
Postural changes among children and adolescents are considered common findings, a fact that can be explained by the adoption of an inappropriate postural habit during the period of stay in school and in the use of equipment. The acquisition of incorrect and vicious static postures assumed early in a sitting posture to write on school furniture can damage the curvature of the spine in children and adolescents, because in this period, the locomotor system is in the process of adjusting and maturing [5, 6]. The objective of this study was to investigate the association between sitting posture while using school furniture and changes in the spine in adolescents
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