References
- Alpayci M, Senkoy E, Delen V, et al. Decreased neck muscle strength in patients with the loss of cervical lordosis. Clinical Biomechanics. 2016;33:98-102. https://doi.org/10.1016/j.clinbiomech.2016.02.014
- Bess S, Protopsaltis TS, Lafage V, et al. International Spine Study Group: Clinical and radiographic evaluation of adult spinal deformity. Clin Spine Surg, 2016;29:6-16. https://doi.org/10.1097/BSD.0000000000000352
- Bret M, Paul A, Deed E. Non-surgical relief of cervical radiculopathy through reduction of forward head posture and restoration of cervical lordosis: A case report. J. Phys. Ther. Sci. 2017;29:1472-1474. https://doi.org/10.1589/jpts.29.1472
- Calliet R. Neck and arm pain. Philadelphia: FA Davis. 1991.
- Chiu TT, Hung Law EY, Fai Chiu TH. Performance of the craniocervical flexion test in subjects with and without chronic neck pain. Journal of Orthop & Sports Phys Ther. 2005;35(9):567-571. https://doi.org/10.2519/jospt.2005.2055
- Cobb JR, Edwards JW. Outlines for the study of scoliosis: Instructional course lecture. Ann Arbor, MI: Am Acade Orthop Surg. 1948;5:261-275.
- Dall'Alba PT, Sterling MM, Treleaven JM, et al. Cervical range of motion discriminates between asymptomatic persons and those with whiplash. Spine. 2001;26(19):2090-2094. https://doi.org/10.1097/00007632-200110010 -00009
- Falla D, Jull G, Hodges P, et al. An endurancestrength training regime is effective in reducing myoelectric manifestations of cervical flexor muscle fatigue in females with chronic neck pain. Clini Neurophys. 2006;117(4):828-837. https://doi.org/10.1016/j.clinph.2005.12.025
- Garcia-Perez-Juana, Fernandez-de-Las-Penas, Arias-Buria, et al. Changes in cervicocephalic kinesthetic sensibility, widespread pressure pain sensitivity, and neck pain after cervical thrust manipulation in patients with chronic mechanical neck pain: A randomized clinical trial. J Mani Phys Ther. 2018;41(7):551-560. https://doi.org/ 10.1016/ j.jmpt.2018.02.004
- Hansraj, KK, Assessment of stresses in the cervical spine caused by posture and position of the head. Surg Technol Int. 2014;25:277-279.
- Harrison DE, Harrison DD, Troyanovich SJ, et al. Anormal spinal position: It's time to accept evidence. J Manipulative Physiol Ther. 2000;23(9):623-644. https://doi.org/10.1067/mmt.2000.110941
- Harrison DE, Harrison DD, Betz JJ, et al. Increasing the cervical lordosis with chiropractic biophysics seated combined extensioncompression and transverse load cervical traction with cervical manipulation: nonrandomized clinical control trial. J Mani Phys Ther. 2003;26:139-151. https://doi.org/10.1016/s0161-4754(02)54106-3
- Hermann KM, Reese CS. Relationships among selected measures of impairment. Functional limitation and disability in patients with cervical spine disorders. Phys Ther. 2001;81(3):903-914. https://doi.org/10.1093/ptj/81.3.903
- Houglum PA. Therapeutic exercise for athletic injuries. Human Kinetics. 2001. https://doi.org/10.1093/ptj/81.3.903
- Iqbal ZA, Rajan R, Khan SA, et al. Effect of deep cervical flexor muscles training using pressure biofeedback on pain and disability of school teachers with neck pain. J Phys Ther Sci. 2013;25(6):657-661. https://doi.org/10.1589/jpts.25.657
- Jensen K, Anderse HO, Olesen J, et al. Pressurepain threshold in human temporal region. Evaluation of a new pressure algometer. Pain. 1986;25(3):313-323. https://doi.org/10.1016/0304-3959(86)90235-6
- Jeon MH. 'Twice the number of 'Turtle neck' patients in four years. "Smart phones are the main culprit". Yonhap News Agency. 2016.10.19.
- Jin CH. The effect of manual therapy on pain, depression and quality of life in patients with cervical hypolordosis. A Study on the Master's Degree of Sungshin Women's University. 2014.
- Jochumsen OH. The curve of the cervical spine. ACA J Chiro. 1970.
- Jull G. Deep cervical neck flexor dysfunction in whiplash. J Muscul Pain. 2000;8(1-2):143-154. https://doi.org/10.1300/j094v08n01_12
- Jull G, O'leary S, Falla D. Clinical assessment of the deep cervical flexor muscles: the craniocervical flexion test. J Mani Phys Ther. 2008;31(7):525-533. https://doi.org/10.1016/j.jmpt.2008.08.003
- Jull G, Trott P, Potter H, et al. A randomized controlled trial of exercise and manipulative therapy for cervicogenic headache. Spine. 2002;27(17):1835-1843. https://doi.org/10.1097/00007632-200209010-00004
- Kim JH, Bae SS. Differences in reposition error among male compared with female. The journal of Korean society of physical therapy. 2003;15(4):901-906.
- Korea Communications Commission(KCC). 2015 Broadcasting Media Usage Behavior Survey. 2015.
- Korea Internet & Security Agency(KISA). A study on the current status of use by gender and age of smartphone users. 2013(11).
- Lee EW, Shin WS, Jung KS, et al. Reliability and validity of the neck disability index in neck pain patients. Kor. Phys Ther. 2007;14(3):97-106.
- Lluch E, Arguisuelas MD, Coloma PS, et al. Effects of deep cervical flexor training on pressure pain thresholds over myofascial trigger points in patients with chronic neck pain. J Manipul Phys Ther. 2013;36(9):604-611. https://doi.org/10.1016/j.jmpt.2013.08.004
- Luoto S, Aalto H, Taimela S, et al. One-footed and extremity disturbed two-footed postural control in patients with chronic low back pain and healthy control subjects. A controlled study with follow-up spine. 1998;23(19):2081-2089. https://doi.org/10.1097/00007632-199810010-00008
- Ministry of Science, ICT and Future Planning (MSITFP). A Study on the Actual Conditions of Internet Overdependence in 2015. 2016.
- Ministry of Science, ICT and Future Planning (MSITFP). Beyond IT Power to Smart Developed Countries. 2013.
- Moon SB, Lee WJ, Hong CB, et al. Effects of cervical extension exercise and Mckinzie exercise on the pain and cervical muscle strength in patients with cervicalgia. Korean Journal of Sports Science. 2007;16(3):687-698.
- Moon YJ. Changes of Upper Extremity Muscle on the Hourly with Smart-phone Use. J Kor Entertain Int Asso(JKEIA). 2015;9(3)
- Moustafa IM, Diab AA, Taha S, et al. Addition of a sagittal cervical posture corrective orthotic device to a multimodal rehabilitation program improves short and long-term outcomes in patients with discogenic cervical radiculopathy. Arch Phys Med Rehabil. 2016;97:2034-2044. https://doi.org/10.1016/j.apmr.2016.07.022
- Miles O, Paul A, Deed E. Cervical extension traction as part of a multimodal rehabilitation program relieves whiplash-associated disorders in a patient having failed previous chiropractic treatment. J. Phys. Ther. Sci. 2018;30:266-270. https://doi.org/10.1589/jpts.30.266
- Murphy DR. Conservative management of cervical spine syn. McGraw-Hill Companies Inc. USA. 2000;60-64.
- Na BJ. The Study of Chiropractic Technique on Cervical Disorder Patients with Military Neck. Master's thesis at Kyunggi University. 2007.
- Nam KS, Lee YH, Yi CH, A study of muscle fatigue in lumbar and abdominal muscles in patients with chronic low back pain by electromyographic power spectral analysis. Phys Ther Kor. 1999;6(2):16-31.
- National Information Society Agency(NIA). A Study on the Actual Conditions of Smartphone Overdependence in 2016. 2016.
- Oh WK, Lee EG, Shin BC. Clinical effect of bong chuna manual therapy and acupunture treatment for improving cervical curvature of turtle neck syndrome and measurement method of radiography. J Oriental Rehab Med. 2009;19(1);113-124.
- Park YH. Simultaneous Media Consumption of Innovative New Media Users, Korean Association for Broadcasting & Telecommunication Studies. 2008;22(1):44-83.
- Peggy A. Therapeutic Exercise for Athletic Injury by Peggy A. Hougum. USA: Human Kinetics, Inc. 2001.
- Sahrmann S. Movement system impairment syndromes of the extremities, cervical and thoracic spines. Elsevier Health Sciences, 2010;61-100.
- Scheer JK, Tang JA, Smith JS, et al. International spine study group: Cervical spine alignment, sagittal deformity, and clinical implications: A review. J Neu rosurg Spine, 2013;19:141-159. https://doi.org/10.3171/2013.4.SPINE12838
- Seidi F, Rajabi R, Ebrahimi I, et al. The efficiency of corrective exercise interventions on thoracic hyperkyphosis angle. Journal of Back and Musculoskeletal Rehabilitation. 2014;27(1):7-16. https://doi.org/10.3233/bmr-130411
- Seo HG. The effect of myofascial release, joint mobilization, and Mckenzine on the cervical muscle activity. Graduate School of Daegu University. Ph.D. thesis. 2008.
- Seok SI. Textbook of Spinal Surgery (Spinal Surgery). Seoul: Newest Medical Publishing Company. 2011.
- Shin G, Zhu X. User discomfort, work posture and muscle activity while using a touchscreen in a desktop PC setting. Ergonomics. 2011;54(8):733-744. https://doi.org/10.1080/00140139.2011.592604
- Straker LM, Coleman J, Skoss R, et al. A comparison of posture and muscle activity during tablet computer, desktop computer and paper use by young children. Ergonomics. 2008;51(4):540-555. https://doi.org/10.1080/00140130701711000
- Szeto GP, Straker L, Raine S. A field comparison of neck and shoulder postures in symptomatic and asymptomatic office workers. 2002;3(1):75-84. https://doi.org/10.1016/s0003-6870(01)00043-6
- Um SH, An empirical study on relationship between physical symptoms and smartphone usage, Inha Uni. Master Thesis. 2013.
- Vernon H, Mior S. The Neck disability index: A study of reliability and validity. J Mani Phys Ther. 1991;14(7):409-415.