References
- Ministry of Labor, Work management guideline of workers with Repetitive motion tasks. The Notification of Ministry of Labor(No. 200-72), 2000.
- Occupational safety & health research institute, A survey for causes of industrial accidents(report of work-related accident). 2008.
- D. Coggon, & K. T. Palmer, Assessing fitness for work and writing a "fit note". British Medical Journal, Vol. 341, pp. 1213-1217. 2010.
- H. S. Kim, & E. Taylor, Original Articles : Impact of Body Weight and Central Obesity on Postural Stability in Women. Journal of Korean Society for the Study of Obesity, Vol. 18, No. 2, pp. 72-77, 2009.
- Y. S. Kim, & C. H. Lee, Effect on obesity evaluation by methods of body mass measurement. The Koran Alliance for Health, Physical Education, Vol. 33, pp. 488-497, 1995.
- B. J. Sung, D. H. Park, B. G. Ko, Y. S. Kim, M. C. Lee, S. W. Youn, S. H. Lee, & S. K. Kim, The effect of exercise and functional electric stimulation on the body composition circumference & blood lipids of middle-aged obese women. Korean Journal of Sport Science, Vol. 16, No. 4, pp. 20-34, 2005.
- N. N. Byl, & P. Sinnott, Variations in balance and body sway in middle-aged adults: Subject with healthy backs compared with subjects with low back dysfunction. Spine, Vol. 16, No. 3, 325-330, 1991. https://doi.org/10.1097/00007632-199103000-00012
- A. Karlsson, & G. Frykberg, Correlations between force plate measures for assessment of balance. Clinical Biomechanics, Vol. 15, pp. 365-369, 2000. https://doi.org/10.1016/S0268-0033(99)00096-0
- B. W. Nelson, Treatment of surgical candidates with aggressive strengthening: results in a group of 140 cervical and lumbar patients. Exercise Rehabilitation of the Spine: Update '95, Sponsored by the University of Florida College of Medicine. April, 1995.
- H. I. Andersson, G. Ejlertsson, I. Leden, & C. Rosenberg, Chronic pain in a geographically defined general population: studies of differences in age, gender, social class, and pain localization. Clinical Journal Pain, Vol. 9, No. 3, pp. 174-82, 1993. https://doi.org/10.1097/00002508-199309000-00004
- J. E. Graves, M. L. Pollock, D. M. Carpenter, S. H. Leggett, A. Jones, M. MacMillan, & M. Fulton, Quantitative assessment of full range of motion isometric lumber extension strength. Spine, Vol. 15, No. 4, pp. 289-294, 1990. https://doi.org/10.1097/00007632-199004000-00008
- J. E. Graves, M. L. Pollock, D. Foster, S. H. Leggett, D. M. Carpenter, R. Vuoso, & A. Jones, Effect of training frequency and specificity on isometric lumber extension strength. Spine, Vol. 15, No. 6, pp. 504-509, 1990. https://doi.org/10.1097/00007632-199006000-00014
- J. E. Graves, M. L. Pollock, D. Foster, S. H. Leggett, D. M. Carpenter, R. Vuoso, & A. Jones, Effect of training frequency and specificity on isometric lumber extension strength. Spine, Vol. 15, No. 6, pp. 504-509, 1990. https://doi.org/10.1097/00007632-199006000-00014
- W. S. Chung, S. S. Kim, & M. Y. Song, Correlation between obesity and lumbar lordosis in obese pre-menopausal korean females. Journal of Oriental Rehabilitation Medicine, Vol. 13, No. 3, pp. 91-99, 2003.
- G. S. H, K. S. Lee, & G. D. Kim, Effects of obesity on the weight distribution and lumbar extension strength in female patients with chronic low back pain. The Koran Journal of Sports Science, Vol. 19, No. 3, pp. 937-945, 2010.
- P. W. Brill, & G. S. Couzen, The core program. 1st ed. New York: Bantam Book, 2002.
- P. W. Hodge, & C. A. Richardson, Contraction of the muscle associated with movement of the lower limb. Physical Therapy, Vol. 77, pp. 132-142, 1997. https://doi.org/10.1093/ptj/77.2.132
- G. A. Koumantakis, P. J. Watson, & J. A. Oldham, Trunk muscle stabilization training plus general exercise versus general exercise only: randomized controlled trial of patients with recurrent low back pain. Phys Ther, Vol. 85, No. 3, pp. 206-208, 2005.
- J. M. Friedman, T. Elasy, & G. L. Jensen, The relationship between body mass index and self-reported functional limitation among older adults: A gender difference. Journal of the American Geriatrics Society, Vol. 49, No. 4, pp. 398-403, 2001. https://doi.org/10.1046/j.1532-5415.2001.49082.x
- D. M. Carpenter, & B. W. Nelson, Low back strengthening for the prevention and treatment of low back pain. Medicine and Science in Sports and Exercise, Vol. 31, No. 1, pp. 18-24, 1999. https://doi.org/10.1097/00005768-199901000-00005
- C. Anders, G. Brose, G. O. Hofmann, & H. C. Scholle, Evaluation of the EMG-force relationship of trunk muscles during whole body tilt. Journal of Biomechanics, Vol. No.41, pp. 333-339, 2008. https://doi.org/10.1016/j.jbiomech.2007.09.008
- R. F. Fabio, N. B. Thomaz, S. H. Erica, & P. M. Amelia, Segmental stabilization and muscular strengthening in chronic low back pain-a comparative study. Clinics, Vol. 65, No. 10, pp. 1013-1017, 2010. https://doi.org/10.1590/S1807-59322010001000015
- B. L. Johnson, & J. K. Nelson, Practical measurements for evaluation in physical education. Minneapolis: Burgess, 1986.
- D. G. Behm, E. J. Drinkwater, J. M. Willardson, & P. M. Cowley. The use of instability to train the core in athletic and non-athletic conditioning. Applied Physiology Nutrition Metabolism, Vol. 35, No. 1, pp. 91-108, 2010. https://doi.org/10.1139/H09-127