COMPARING THE IMPACT OF MCKENZIE EXERCISES AND KINESIO TAPING ON CERVICAL MUSCLES FATIGUE IN SMARTPHONE USERS BY JOINT ANALYSIS OF SPECTRUM AND AMPLITUDE METHOD
Main Article Content
Keywords
McKenzie exercises, Kinesio taping, muscle fatigue, musculoskeletal disorders, smartphone users
Abstract
Background: Using smartphones has increased dramatically; however, it causes the incidence of neck musculoskeletal disorders. Muscles fatigue is a predictive biomarker and precursor of neck musculoskeletal disorders. Accordingly, this study aims to compare the effect of McKenzie exercises and Kinesio taping on the fatigue of some cervical muscles while texting with a smartphone.
Methods: This was a randomized controlled single-blinded trial. Twenty-four smartphone users participated in this crossover study. All 24 subjects were experimented with the McKenzie, taping and control groups conditions. Root mean square and median frequency of the right and left upper trapezius, cervical erector spinae, and sternocleidomastoid muscles was measured during 30 min of texting with a smartphone. A 90-s break was considered in the middle of the task. Interrupted time series design and joint analysis of spectrum and amplitude methods was used for analyzing electromyography data.
Results: In contrast to the other two groups, cervical muscles fatigue did not occur in the last 15 min of the task in the McKenzie group. Compatibly, in the McKenzie group, the median frequency coefficient of determination of all muscles, except the left cervical erector spinae, was significantly different from the control group in the last 15 min of the task (P < 0.001).
Conclusion: The McKenzie exercises can prevent or even improve cervical muscles fatigue caused by texting with a smartphone. Consequently, it can help prevent neck musculoskeletal disorders related to smartphone texting like text neck syndrome.
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Ehsan Naeimi
PhD candidate, department of physical therapy, school of rehabilitation, Tehran University of Medical Sciences, Tehran, Iran
Gholam Reza Olyaei
Professor, department of physical therapy, school of rehabilitation, Tehran University of Medical Sciences, Tehran, Iran.
Mohammad Reza Hadian
Professor, department of physical therapy, school of rehabilitation, Tehran University of Medical Sciences, Tehran, Iran
Saeed Talebian
Professor, department of physical therapy, school of rehabilitation, Tehran University of Medical Sciences, Tehran, Iran.
Roya Khanmohammadi
Assistant professor, department of physical therapy, school of rehabilitation, Tehran University of Medical Sciences, Tehran, Iran.