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báo cáo hóa học: " Reduced inclination of cervical spine in a novel notebook screen system - implications for rehabilitation"

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Reduced inclination of cervical spine in a novel notebook screen system - implications for rehabilitation | Quarcoo et al. Journal of Occupational Medicine and Toxicology 2011 6 30 http www.occup-med.eom content 6 1 30 _ JOURNAL OF OCCUPATIONAL MEDICINE AND TOXICOLOGY RESEARCH Open Access Reduced inclination of cervical spine in a novel notebook screen system - implications for rehabilitation 1 r I- 1.2 1 1 1 1 David Quarcoo Cristian Scutaru Ulrich Henkel Michael F Spallek Stefanie Uibel Karin Vitzthum Stefanie Mache1 Bianca Kusma1 and David A Groneberg1 Abstract Background Professional working at computer notebooks is associated with high requirements on the body posture in the seated position. By the high continuous static muscle stress resulting from this position at notebooks professionals frequently working at notebooks for long hours are exposed to an increased risk of musculoskeletal complaints. Especially in subjects with back pain new notebooks should be evaluated with a focus on rehabilitative issues. Methods In a field study a new notebook design with adjustable screen was analyzed and compared to standard notebook position. Results There are highly significant differences in the visual axis of individuals who are seated in the novel notebook position in comparison to the standard position. Also differences are present between further alternative notebook positions. Testing of gender and glasses did not reveal influences. Conclusion This study demonstrates that notebooks with adjustable screen may be used to improve the posture. Future studies may focus on patients with musculoskeletal diseases. Introduction Over the past centuries a profound change in the work reality of most citizens has happened worldwide. In Europe at the end of the 19th century great parts of the workforce was employed in the agriculture and producing sector 1 . Today these sectors cease importance in regard to the people employed while the service and information industries have gained importance 1 . Here the typical work environment is the workstation. Although the fading away of the .