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KMID : 1206220170240030056
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Journal of Korean Academy of Physical Therapy Science
2017 Volume.24 No. 3 p.56 ~ p.63
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The Effects of Sitting Posture on Cervical Flexion Angle and Pain during Smart Phone Use in Young Adults
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Chun Hye-Lim
Kim Kyung-Hun
Choi Bo-Ram
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Abstract
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Purpose: This study aimed to investigate the effects of sitting posture on cervical flexion angle and pain during smart phone use.
Method: This research was performed on 10 adult female students who use smart phones regularly, Each of the two groups of participants used the provided smart phone for 20 minutes while maintaining the given default posture. The evaluation order was randomly selected and the two groups were photographed twice before and after the experiment and were asked to answer if they felt pain during or after the experiment.
Result: First, both upright sitting position and vertebra bent position pre and post experiment readings showed significant statistical difference (p<.05). And it is shown to be a factor that induces pain around the neck via increase in neck flexion angle. Second, although there were no significant statistical difference between the pre and post experiment readings of the upright sitting position results and the vertebra bent position results, the vertebra bent position readings showed bigger changes to the neck flexion angle then the upright sitting position readings. Third, all participants from both groups claimed pain in all the tested postures of smart phone usage.
Conclusion: Smart phone usage for an extended amount of time in all body postures may prove to have a negative effect making the "optimal" smart phone usage position as a controlled time with neck stretches included in between short sessions.
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KEYWORD
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Pain , Cervical Flexion Angle , Smart Phone Use
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