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05.06.2019 | Original Article | Ausgabe 8/2019

European Spine Journal 8/2019

Analysis of a customized cervical collar to improve neck posture during smartphone usage: a comparative study in healthy subjects

Zeitschrift:
European Spine Journal > Ausgabe 8/2019
Autoren:
Yuh-Ruey Kuo, Jing-Jing Fang, Chi-Tse Wu, Ruey-Mo Lin, Pei-Fang Su, Cheng-Li Lin
Wichtige Hinweise

Electronic supplementary material

The online version of this article (https://​doi.​org/​10.​1007/​s00586-019-06022-0) contains supplementary material, which is available to authorized users.
The authors Kuo and Fang contributed equally to this research, and both are first coauthors.

Publisher's Note

Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

Abstract

Purpose

A slouching posture during smartphone usage increases gravitational loadings on the cervical spine, which may lead to neck pain and degeneration. The objective of the present study was to investigate the head, neck and trunk angles in different smartphone-usage postures, as well as the posture-correction effects and comfort scores of three neck collars.

Methods

This was a prospective cohort study in which 41 healthy young subjects aged 18–25 were recruited. The head, neck and trunk angles were measured in all participants during a neutral position and three smartphone-using postures, including sitting with and without back support and standing. The postural correction and comfort scores of three collars (Aspen Vista, Sport-aid and our customized 3D printed collars) were compared.

Results

Smartphone use increased the head and neck flexion angles in all postures, and sitting without back support showed the greatest head and neck flexion angles. The posture-correcting effect of the customized collar was better than the Aspen Vista and Sport-aid collars. In addition, the customized collar was more comfortable to wear than the other two collars in most contact areas.

Conclusion

Smartphone use increased both the head and neck flexion in different postures, and the proposed customized 3D-printed cervical collar significantly reduced the head and neck angles.

Graphical abstract

These slides can be retrieved under Electronic Supplementary Material.

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Zusatzmaterial
Supplementary material 1 (PPTX 377 kb)
586_2019_6022_MOESM1_ESM.pptx
Literatur
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