1-Kinesiology and Health Sciences Department, Utah State University, Logan, UT, USA
2-Depaartment of sports Health Sciences, Damietta University, New Damietta, Egypt.
Text neck become one of the most harmful pain syndrome in neck and shoulder region. People 's lifestyle nowadays has depended on smart phones in communication, reading, and entertainment. Mobile device users frequently adopt prolonged forward head posture while looking down at the screens of mobile devices. The exaggeration on using mobile technology leaded to Text Neck Pain Syndrome (TNP).  . The position of neck while using the smartphones causes fibrotic of muscular …show more content…
Park, K. Kim, N. Kim, I. Choi, S. Lee, S. Tak and J. Yim, "Comparison of Cervical Flexion, Pain, and Clinical Depression in Frequency of Smartphone Use," Int. J. Bio-Sci. Bio-Technol., vol. 7, no. 3, pp. 183-190, 2015.
 P. Vate-U-Lan, "Text Neck Epidemic: a Growing Problem for Smart Phone Users in Thailand," International Journal of the Computer, the Internet and Management, vol. 23, pp. 55.1-55.6, 2015.
 Y. Xie, G. Szeto, J. Dai and P. Madeleine, "A comparison of muscle activity in using touchscreen smartphone among young people with and without chronic neck–shoulder pain," Ergonomics, vol. 591, p. 61–72, 2016.
 S. Berolo, R. Wells and B. Amick, "Musculoskeletal symptoms among mobile hand-held device users and their relationship to device use: A preliminary study in a Canadian university population.," Appl. Ergon., vol. 42, no. 2, pp. 371-378, 2011.
 Z. Shan, G. Deng, Y. Li, Y. Zhang and Q. Zhao, "Correlational analysis of neck/shoulder pain and low back pain with the use of digital products, physical activity and psychological status among adolescents in Shanghai," PLoS One, vol. 8, no. 10, …show more content…
Park, K. Kim, N. Kim, I. Choi, S. Lee, S. Tak and J. Yim, "The effects of heavy smartphone use on the cervical angle, pain threshold of neck muscles and depression," Advanced Science and Technology Letters (Bioscience and Medical Research 2015), vol. 91, pp. 12-17, 2015.
 T. Rudolfsson, M. Bjorklund and M. Djupsjobacka, "Range of motion in the upper and lower cervical spine in people with chronic neck pain.," Man Ther., vol. 17, no. 1, pp. 53-59, 2012.
 B. Cagnie, A. Cools, V. De Loose, D. Cambier and L. Danneels, " Differences in isometric neck muscle strength between healthy controls and women with chronic neck pain: The use of a reliable measurement.," Arch Phys Med Rehabil, vol. 88, no. 11, pp. 1441-1445, 2007.
 P. Madeleine, Y. Xie, G. Szeto and A. Samani, "Effects of chronic neck-shoulder pain on normalized mutual information analysis of surface electromyography during functional tasks.," Clin Neurophysiol., vol. 127, no. 9, pp. 3110-3117, 2016.
 A. Rezasoltani, A. Ahmadipoor, K. Khademi-Kalantari and K. Javanshir, "The sign of unilateral neck semispinalis capitis muscle atrophy in patients with chronic non-specific neck pain.," J Back Musculoskelet Rehabil., vol. 25, no. 1, pp. 67-72,