2Hush JM, Maher CG, Refshauge KM. Risk factors for neck pain in office workers: a prospective study [ J ]. BMC Musculoskelet Disord, 2006, 7:81.
3Szeto GP, Straker LM, O'Sullivan PB. A comparison of symptomatic and asymptomatic office workers performing monotonous keyboard work-2: neck and shoulder kinematics [ J ]. Manual Therapy, 2005,10:281 - 291.
4Hayes M, Cockrell D, Smith DR. A systematic review of musculoskeletal disorders among dental professionals [ J ]. Int J Dent Hyg, 2009,7(3) :159 - 165.
5Morse T, Bruneau H, Michalak-Turcotte C, et al. Musculoskeletal disorders of the neck and shoulder in dental hygienists and dental hygiene student[ J]. J Dent Hyg, 2007, 81 ( 1 ) : 10.
6Alexopoulos EC, Stathi IC, Charizani F. Prevalence of musculoskeletal disorders in dentists [ J ]. BMC Musculoskelet Disord, 2004, 9:5 - 16.
7Falla D, Jull J, Russell T, et al. Effect of neck exercise on sitting posture in patients with chronic neck pain [ J ]. Research Reports, 2007, 87(4) :408 -417.
8Jensen C, Finsen F, Hansen K, et al. Upper trapezius muscle activity patterns during repetitive manual material handling and work with a computer mouse [ J ]. J Electromyog and Kinesiol,1999,19:317 -325.