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Yoon JO, Kang MH, et al. The effects of gait with use of smartphone on repositioning error and curvature of the lumbar spine. J Phys Ther Sci. 2015;27(8):2507-8doi: 10.1589/jpts.27.2507.
Yoon, J. O., Kang, M. H., Kim, J. S., & Oh, J. S. (2015). The effects of gait with use of smartphone on repositioning error and curvature of the lumbar spine. Journal of physical therapy science, 27(8), 2507-8. https://doi.org/10.1589/jpts.27.2507
Yoon, Jeong-Oh. "The effects of gait with use of smartphone on repositioning error and curvature of the lumbar spine." Journal of physical therapy science vol. 27,8 (2015): 2507-8. doi: https://doi.org/10.1589/jpts.27.2507
Yoon JO, Kang MH, Kim JS, Oh JS. The effects of gait with use of smartphone on repositioning error and curvature of the lumbar spine. J Phys Ther Sci. 2015 Aug;27(8):2507-8. doi: 10.1589/jpts.27.2507. Epub 2015 Aug 21. PMID: 26357430; PMCID: PMC4563301.
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J Phys Ther Sci. 2015 Aug;27(8):2507-8. doi: 10.1589/jpts.27.2507. Epub 2015 Aug 21.

The effects of gait with use of smartphone on repositioning error and curvature of the lumbar spine.

Journal of physical therapy science

Jeong-Oh Yoon, Min-Hyeok Kang, Jun-Seok Kim, Jae-Seop Oh

Affiliations

  1. Department of Physical Therapy, Graduate School, Inje University, Republic of Korea.
  2. Department of Physical Therapy, College of Biomedical Science and Engineering, Inje University, Republic of Korea.

PMID: 26357430 PMCID: PMC4563301 DOI: 10.1589/jpts.27.2507

Abstract

[Purpose] This study evaluated the effect of smartphone use on lumbar spine repositioning error and lumbar curvature while walking on a treadmill. [Subjects] A total of 20 healthy individuals (18 males and 2 females) volunteered for this study. [Methods] The subjects walked for 20 min on a treadmill while using a smartphone. To determine the effect of smartphone use, lumbar repositioning error was measured using an electronic goniometer while lumbar curvature was assessed using a Spinal Mouse before and immediately after treadmill use. Differences in the lumbar repositioning error and lumbar curvature data between the pre- and post-walking were compared using the paired t-test. [Results] The lumbar spine repositioning error was significantly greater post-walking compared with pre-walking (6.70±2.91° vs. 3.02±1.79°). There was no significant difference in lumbar curvature between pre- and post-walking (14.24±3.18° vs. 13.94±3.12°). [Conclusion] These findings indicate that the lumbar repositioning error increased immediately after walking while using a smartphone, but that the lumbar curvature was unchanged.

Keywords: Lumbar spine; Repositioning error; Smartphone

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