References
- Li G, Haslegrave CM. Seated work postures for manual, visual and combined tasks. Ergonomics. 1999;42(8):1060-86. https://doi.org/10.1080/001401399185144
- Ortiz-Hernandex L, Tamez-Gonzalez S, Martinez-Alcantara S et al. Computer use increase the risk of musculoskeletal disorders among newspaper office workers. Arch Med Res. 2003;34(4):331-42. https://doi.org/10.1016/S0188-4409(03)00053-5
- Park YN, Bae YS. Comparison of muscle performance of the lumbar region and head alignment according to the length of sitting time. J Kor Phys Ther. 2013;25(6):386-92.
- Kwon JW, Nam SH, Choi YW et al. The effect of different head positions in sitting on head/shoulder posture and muscle activity. J Kor Phys Ther. 2013;25(4):217-23.
- Neumann DA. Kinesiology of the musculoskeletal system: Founcations for physical rehabilitation. St. Louis, Mosby, 2002:387-476.
- Jung YG. Effects of leg crossed sitting on the trunk muscle activities during the computer work. Yonsei university. Dissertation of Master's degree. 2005.
- Lee JH, Park SY, Yoo WG. Change in craniocervical and trunk flexion angles and gluteal pressure during VDT work with continuous cross-legged sitting. J Occup Health. 2011;53:350-5. https://doi.org/10.1539/joh.11-0050-OA
- Watanabe S, Kobara K, Ishida H et al. Influence of trunk muscle co-contraction on spinal curvature during sitting cross-legged. Electromyogr Clin Neurophysiol. 2010;50:187-92.
- Jung WJ. Effects of a wallet in the back trouser pocket on paraspinal muscle activity in sitting. Yonsei university. Dissertation of Master's degree. 2009.
- Snijders CJ, Slagter AH, van Strik R et al. Why leg crossing? The influence of common postures on abdominal muscle activity. Spine. 1995; 20(18):1989-93. https://doi.org/10.1097/00007632-199509150-00005
- Pinar R, Sabuncu N, and Oksay A. Effects of crossed leg on blood pressure. Blood Press. 2004;13(4):252-4. https://doi.org/10.1080/08037050410000903
- Snijders CJ, Hermans PF, Neising R et al. The influence of slouching and lumbar support on iliolumbar ligaments, intervertebral discs and sacroiliac joints. Clin Biomech (Bristol. Avon). 2004;19(4):323-9. https://doi.org/10.1016/j.clinbiomech.2004.01.006
- Takishita S, Touma T, Kawazoe N et al. Usefulness of leg-crossing for maintaining blood pressure in a sitting position in patients with orthostatic hypotension - case reports. Angiology. 1991;42(5):421-5. https://doi.org/10.1177/000331979104200512
- Kang SY, Kim, SH, Ahn SJ et al. A comparison of pelvic, spine angle and buttock pressure in various cross-legged sitting postures. PTK. 2012; 19(1):1-9.
- Kim TH, Seo HK, Hong WT. The change of muscle activities of trunk muscles during various leg-crossing positions in low back pain patients. J Kor Phys Ther. 2007;19(5):1-10. https://doi.org/10.1589/jpts.19.1
- Muscolino JE. Know the body: Muscle, bone, and palpation essentials. St Louis, Mosby, 2011:339-78.
- Sahrmann SA. Diagnosis and treatment of movement impairment syn-dromes. St Louis, Mosby, 2002:121-74.
- Cram J, Kasman G, Holtz J. Introduction of surface electromyography. Gaithersburg, MD: Aspen Publishers, 1998:358-71.
- Chae YW, Park JW, Park S. Effects of knee malalignment on static and dynamic postural stability. J Kor Phys Ther. 2015;27(1):7-11.
- Kang MH, Oh JS, Park BJ et al. Comparison of the lumbar flexion angle and EMG activity in trunk muscles in individuals with and without lim-ited hip flexion range of motion during visual display terminal work with cross-legged sitting. J Phys Ther Sci. 2013;25:1537-9. https://doi.org/10.1589/jpts.25.1537
- Sahrmann SA. Movement system impairment syndromes of the ex-tremities, cervical and thoracic spines. St Louis, Elsevier, 2011:354-406.