1)Jull G, et al:Management of neck pain disorders, 1e E-book. p29, Elsevier, Amsterdam, 2018
2)Bogduk N, et al:Biomechanics of the cervical spine. I:Normal kinematics. Clin Biomech 2000;15:633-648
3)Tsang SM, et al:Normal kinematics of the neck:the interplay between the cervical and thoracic spines. Man Ther:2013;18:431-437
4)Schomacher J, et al:Function and structure of the deep cervical extensor muscles in patients with neck pain. Man Ther 2013;18:360-366
5)Schomacher J, et al:Chronic trauma-induced neck pain impairs the neural control of the deep semispinalis cervicis muscle. Clin Neurophysiol 2012;123:1403-1408
6)Behrsin, JF, et al:Levator scapulae action during shoulder movement:a possible mechanism for shoulder pain of cervical origin. Aust J Physiother 1986;32:101-106
7)Vasavada AN, et al:Influence of muscle morphometry and moment arms on the moment-generating capacity of human neck muscles. Spine(Phila Pa 1976) 1998;23:412-422
8)Lindstroem René, et al:Current pain and fear of pain contribute to reduced maximum voluntary contraction of neck muscles in patients with chronic neck pain. Arch Phys Med Rehabil 2012;93:2042-2048
9)Edmondston S, et al:Endurance and fatigue characteristics of the neck flexor and extensor muscles during isometric tests in patients with postural neck pain. Man Ther 2011;16:332-338
10)Lindstrøm R, et al:Association between neck muscle coactivation, pain, and strength in women with neck pain Man Ther 2011;16:80-86
11)O'Leary S, et al:Is there altered activity of the extensor muscles in chronic mechanical neck pain? A functional magnetic resonance imaging study. Arch Phys Med Rehabil 2011;92:929-934
12)Boudreau SA, et al:Chronic neck pain alters muscle activation patterns to sudden movements. Exp Brain Res 2014;232:2011-2020
13)Pinheiro CF, et al:Flexion-relaxation ratio in computer workers with and without chronic neck pain. J Electromyogr Kinesiol 2016;26:8-17