Smartphone addiction and the relationship with head and neck pain and electromiographic activity of masticatory muscles

Author:

Foltran-Mescollotto Fabiana1,Gonçalves Érica Brito1,Castro-Carletti Ester Moreira de1,Oliveira Ana Beatriz2,Pelai Elisa Bizetti3,Rodrigues-Bigaton Delaine3

Affiliation:

1. Methodist University of Piracicaba, UNIMEP, Piracicaba, São Paulo, Brazil

2. Laboratory of Clinical and Occupational Kinesiology, Department of Physical Therapy, Federal University of São Carlos, UFSCar, Sao Carlos, São Paulo, Brazil

3. Piracicaba Dental School, State University of Campinas, UNICAMP, Piracicaba, São Paulo, Brazil

Abstract

Background: Excessive use of smartphones may be associated with behavioral and physical health changes and might cause musculoskeletal alterations in the head and neck region. Objective: To evaluate the prevalence of smartphone addiction in college students and its correlation with symptoms of head and neck pain and masticatory and trapezius muscle activity while resting, before and after smartphone use. Methods: Twenty university students participated in the study. They answered the Smartphone Addiction Scale and the Fonseca Anamnestic Index. Next, the participants were seated and prepared for electromyography through the placement of surface electrodes on the masseter, temporal, and trapezius muscles. Rest condition data were collected for 10 seconds before and after 30 minutes of smartphone use. Results: The results showed that 35% of the evaluated individuals were classified as smartphone addicted and 35% reported no head or neck pain in the previous 30 days. There was no association between smartphone use and head and neck pain. In the electromyography, there was an increase in RMS values after smartphone use in the right and left masseter muscles and the left trapezius. Conclusion: College students presented a high prevalence of smartphone addiction and head and neck pain, but these were not statistically associated. There was a change in muscle activity only in the right trapezius muscles before and after 30 minutes of smartphone use. These findings are contrary to the current belief that the use of smartphones correlates with pain in the neck region and changes in the electrical muscle activity, leading to fatigue in the cervical muscles.

Publisher

IOS Press

Subject

Public Health, Environmental and Occupational Health,Rehabilitation

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