Computer Use and Habitual Spinal Posture in Australian Adolescents

Leon Melville Straker · Peter O’Sullivan · Anne Julia Smith · Mark C. Perry

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Ergonomics and Musculoskeletal Disorders Scoliosis diagnosis and treatment Occupational health in dentistry

Abstract

OBJECTIVE: Computer use is common in adolescents, and there is evidence that adolescent spinal posture alters during computer use. However, it is unknown if computer use and habitual postures are associated. The objective of this study was to evaluate associations between adolescent computer use and habitual postures. METHODS: Eight hundred eighty-four adolescents (408 females, 476 males, mean age, 14.0 years, standard deviation, 0.2) completed a questionnaire assessing weekly computer use. Habitual spinal posture was assessed by photographic analysis while standing and sitting. RESULTS: Computer use was associated with adolescent habitual postures. In males, increased computer use was associated with increased head flexion and neck flexion. In females, increased computer use was associated with increased lumbar lordosis. CONCLUSIONS: The amount of weekly computer use was associated with changes in habitual spinal postures, and these depended on gender. These associations may result from temporary computer postures leading to adaptive neuromusculoskeletal changes, though further multivariate and longitudinal studies are needed to confirm causality. As some habitual posture changes may place a greater strain on the musculoskeletal system, computer use by adolescents should be viewed as a possible health concern.

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2010Generation M2: Media in the Lives of 8- to 18-Year-Olds 2005Computer and Internet Use in the United States: 2003 2002The nature of work-related neck and upper limb musculoskeletal disorders 2001The impact of computer use on children's and adolescents' development 1992Incidence of Common Postural Abnormalities in the Cervical, Shoulder, and Thoracic Regions and Their Association with Pain in Two Age Groups of Healthy Subjects 2001Are neck flexion, neck rotation, and sitting at work risk factors for neck pain? Results of a prospective cohort study 2016Bodyspace: Anthropometry, Ergonomics and the Design of Work, Third Edition 2004Classroom posture and self-reported back and neck pain in schoolchildren

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