Osong Public Health Res Perspect.  2017 Aug;8(4):271-274. 10.24171/j.phrp.2017.8.4.07.

Effects of Exercise on Cervical Angle and Respiratory Function in Smartphone Users

• Lee NK
• Jung SI
• Lee DY
• Kang KW

• KMID: 2394485
• DOI: http://doi.org/10.24171/j.phrp.2017.8.4.07

Abstract

OBJECTIVES
The aim of this study was to determine whether exercises can change the cervical angle and respiratory function in smartphone users.
METHODS
Thirty healthy volunteers were recruited. The subjects were randomly divided into an exercise group and a control group. All participants used a smartphone for 1 hour while maintaining a sitting posture. Then, each group performed their assigned activity. The exercise group performed two types of exercises and the control group maintained routine activities for 20 minutes. To investigate the changes in cervical angle and respiratory function, we measured the craniovertebral angle by using a spirometer.
RESULTS
Statistically significant differences were noted in the craniovertebral angle, forced vital capacity (FVC), forced expiratory volume in 1 second (FEV1), FEV1/FVC ratio, peak expiratory flow, maximal inspiratory pressure, and maximal expiratory pressure of the two groups (p < 0.05).
CONCLUSION
Our findings showed that proper exercise could be a good method of improving the cervical angle and respiratory function in smartphone users.

Keyword

smartphone; respiratory function test; cervical vertebrae

MeSH Terms

Cervical Vertebrae
Exercise
Female
Forced Expiratory Volume
Healthy Volunteers
Methods
Posture
Respiratory Function Tests
Smartphone*
Vital Capacity