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Spinal and Pelvic Alignment of Sitting Posture Associated with Smartphone Use in Adolescents with Low Back Pain

Author

Listed:
  • Tae-sung In

    (Department of Physical Therapy, Gimcheon University, Gimcheon 39528, Korea
    These two authors contributed equally to this study as co-first authors.)

  • Jin-hwa Jung

    (Department of Occupational Therapy, Semyung University, Jecheon 27136, Korea
    These two authors contributed equally to this study as co-first authors.)

  • Kyoung-sim Jung

    (Department of Physical Therapy, Gimcheon University, Gimcheon 39528, Korea
    These two authors contributed equally to this work as corresponding author.)

  • Hwi-young Cho

    (Department of Physical Therapy, College of Health Science, Gachon University, Seongnam 13120, Korea
    These two authors contributed equally to this work as corresponding author.)

Abstract

This study aimed to assess the association between smartphone use in the sitting posture and changes in thoracolumbar kyphosis, lumbar lordosis, and pelvic asymmetry in adolescents with low back pain (LBP). Twenty-five adolescents with LBP and 25 healthy adolescents participated in this study. They were instructed to sit on a height-adjustable chair with their hips and knees bent at 90° for 30 min in their usual sitting postures. Thoracolumbar kyphosis, lumbar lordosis, and pelvic asymmetry were measured using a three-dimensional motion capture system. Thoracolumbar kyphosis and lumbar lordosis increased after 30 min of sitting compared to the baseline. In both groups, thoracic kyphosis and lumbar lordosis angle increased with increasing sitting time. Compared to healthy adolescents, adolescents with LBP presented greater thoracolumbar kyphosis and lumbar lordosis after prolonged sitting. Pelvic asymmetry showed no significant difference between the sitting time and groups. Using a smartphone during prolonged sitting may lead to a slumped posture; these associations were more pronounced in adolescents with LBP.

Suggested Citation

  • Tae-sung In & Jin-hwa Jung & Kyoung-sim Jung & Hwi-young Cho, 2021. "Spinal and Pelvic Alignment of Sitting Posture Associated with Smartphone Use in Adolescents with Low Back Pain," IJERPH, MDPI, vol. 18(16), pages 1-11, August.
    • Handle: RePEc:gam:jijerp:v:18:y:2021:i:16:p:8369-:d:610200
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    References listed on IDEAS

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    1. Kerr, M.S. & Frank, J.W. & Shannon, H.S. & Norman, R.W.K. & Wells, R.P. & Neumann, W.P. & Bombardier, C., 2001. "Biomechanical and psychosocial risk factors for low back pain at work," American Journal of Public Health, American Public Health Association, vol. 91(7), pages 1069-1075.
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    1. Mohannad Hawamdeh & Thamer A. Altaim & Amjad Shallan & Riziq Allah Gaowgzeh & Sakher M. Obaidat & Saad Alfawaz & Saad M. Al-Nassan & Ziyad Neamatallah & Owis Eilayyan & Umar M. Alabasi & Majed Albadi, 2022. "Low Back Pain Prevalence among Distance Learning Students," IJERPH, MDPI, vol. 20(1), pages 1-10, December.

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