Lee, M., Hong, Y., Lee, S., Won, J., Yang, J., Park, S., Chang, K.T. and Hong, Y. (2015) The Effects of Smartphone Use on Upper Extremity Muscle Activity and Pain Threshold. Journal of Physical Therapy Science, 27, 1743-1745.
https://doi.org/10.1589/jpts.27.1743

has been cited by the following article:

• TITLE: Differences in Physical and Psychological Condition, Sleeping Status and Menstruation-Related Symptoms before and after Smartphones Use in Young Female Students in Japan

  AUTHORS: Yukie Matsuura, Takane Morita, Momoko Sekimoto, Ayaka Maeda, Toshiyuki Yasui

  KEYWORDS: Smartphone, Visual Display Terminal, Menstruation-Related Symptoms, Physical and Psychological Symptoms, Young Students

  JOURNAL NAME: Health, Vol.12 No.4, April 27, 2020

  ABSTRACT: Smartphones use for a long period of time can cause health problems including physical condition, psychological condition and sleeping status. In addition, smartphones use may affect menstruation related symptoms. This study was conducted using a self-administered questionnaire between June and November in 2016 to clarify the differences in physical and psychological condition, sleeping status and menstruation-related symptoms before and after starting to use smartphones in female university students in Japan. We recruited 273 female nursing students and the response rate was 95.2%. We found significant changes after starting to use smartphones regarding eyestrain (p