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The Effects of Force That Pushes Forward Lumbar Region on Sagittal Spinal Alignment When Wearing Backpack

Author

Listed:
  • Tae-sung In

    (Department of Physical Therapy, Gimcheon University, 214, Daehak-ro, Gimcheon 39528, Korea)

  • Seung-man Yu

    (Department of Radiological Science, Jeonju University, 303, Cheonjam-ro, Wansan-gu, Jeonju-si 55069, Korea)

  • Sang-hun Jang

    (Department of Physical Therapy, Gimcheon University, 214, Daehak-ro, Gimcheon 39528, Korea)

Abstract

The purpose of this study is to design a backpack to push the lumbar region forward and confirm the change in the sagittal plane of the spine using radiography when wearing the backpack to present an effective backpack wearing method that can help spinal alignment. Place the question addressed in a broad context and highlight the purpose of the study. A total of 14 adult volunteers participated in the study. The study was carried out on the subjects without carrying a backpack, with a general backpack, and with a backpack designed to push the lumbar region forward. We investigated cervical, thoracic, lumbar, and sacral alignment under these three conditions. Lumbar lordosis showed a significant decrease in the state of wearing a general backpack compared to the case without a backpack, and a significant increase in the state of wearing a backpack designed to push the lumbar region forward rather than a general backpack. In addition, the sacral slope was significantly increased when carrying the backpack designed to push the lumbar region forward, compared to carrying the general backpack. There was a significant correlation between the sacral and lumbar alignment change when wearing the backpack compared to the state without a backpack. The results of this study indicate that wearing a backpack designed to push the lumbar region forward may contribute to the recovery of lumbar lordosis that is reduced when wearing a general backpack. This may be due to an increase in the sacral slope corresponding to the inferior angle of lumbar spine.

Suggested Citation

  • Tae-sung In & Seung-man Yu & Sang-hun Jang, 2019. "The Effects of Force That Pushes Forward Lumbar Region on Sagittal Spinal Alignment When Wearing Backpack," IJERPH, MDPI, vol. 16(19), pages 1-9, September.
    • Handle: RePEc:gam:jijerp:v:16:y:2019:i:19:p:3643-:d:271706
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    Citations

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    Cited by:

    1. Matteo Genitrini & Francesca Dotti & Eleonora Bianca & Ada Ferri, 2022. "Impact of Backpacks on Ergonomics: Biomechanical and Physiological Effects: A Narrative Review," IJERPH, MDPI, vol. 19(11), pages 1-19, May.
    2. Paulina Tomal & Anna Fryzowicz & Elżbieta Skorupska & Lechosław B. Dworak, 2022. "Influence of School Backpack Load as a Variable Affecting Gait Kinematics among Seven-Year-Old Children," IJERPH, MDPI, vol. 19(7), pages 1-12, March.

    More about this item

    Keywords

    spine; lumbar; alignment; backpack;
    All these keywords.

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