Alexander, N. B., Gait Disorders in Older Adults, Journal of the American Geriatrics Society, 44(4), 434-451, 1996.
Alkjaer, T., Larsen, P. K., Pedersen, G., Nielsen, L. H. and Simonsen, E. B., Biomechanical analysis of rollator walking, BioMedical Engineering OnLine, 5(2), 2-9, 2006.
Anniansson, A., Herdberg, M., Henning, G. and Grimby, G., Muscle morphology, enzymatic activity and muscle strength in the elderly men: A follow-up study, Muscle Nerve, 9(7), 585-591, 1986.
Berg, K. O., Wood-Dauphinee, S. L., Williams J. I. and Maki, B., Measuring balance in the elderly: Validation of an instrument, Canadian Journal of Public Health, 83(2), 7-11, 1992.
Berg, K. O., Wood-Dauphinee, S. L. and Williams, J. I., The balance scale: Reliability assessm-ent with elderly residents and patients with an acute stroke, Scandinavian Journal of Rehabilitation Medicine, 27(1), 27-36, 1995.
Bohannon, R. W., Gait performance with wheeled and standard walkers, Perception and Motor Skills, 85(2), 1185-1186, 1997.
Brandt, A., Iwarsson, S. and Stahl, A., Satisfaction with rollators among community-living users: a follow-up study, Disability & Rehabilitation, 26(7), 343-353, 2003.
Cho, H. B., Entered the aging society in the sports industry prospects and problem, Journal of sport science research, 26(0), 79-92, 2008.
Debra, J. R., Fall proof, A comprehensive balance and mobility training program, Champaign: Human Kinetics, 2003.
Ely, D. D. and Smidt, G. L., Effect of cane on variables of gait for patients with hip disorders, Physical Therapy, 57(5), 507-512, 1977.
Eom, J. J., Used-bassinets "Goods for elderly people". Maeil News, 2005. 06. 03.
Finkel, J., Fernie, G. and Cleghorn, W., A guideline for the design of a four-wheeled walker, Assist Technology, 9(2), 116-129, 1997.
Galley, P. M. and Forster, A. L., Human movement: An introductory text for physiotherapy students. Churchill Livingstone, 1987.
Guralink, J. M. and Kaplan, G. A., Predictor of healthy aging: Prospective evidence from the Alameda country study, American Journal of Public Health, 79(6), 703-708, 1989.
Hwang, K. C., A Practical Design of the Efficient Walking Aids, Hongik University, Master's thesis, 2006.
Izquierdo, M., Martinez-Ramirez, A., Larriin, J. L., Irujo-Espinosa, M. and Gomez, M., Functional capacity evaluation in a clinical and ambulatory setting: new challenges of accelerometry to assessment balance and muscle power in aging population, Anales del sistema sanitario de Navarra, 31(2), 159-170, 2008.
Jebsen, R. H., Use and abuse of ambulation aids, Journal of the American Medical Association, 199(1), 5-10, 1967.
Jung, I. G., Used-bassinets recycling campaigns, The Jeju Daily News, 2006. 08. 18.
Jung, S., et al. Gate Analysis. Youngmun Publishing Company, 2006.
Kaminisk, T. R. and Simpkins, S., The effects of stance configuration and target distance on reaching. I. Movement preparation, Experimental brain research, 136(4), 439-446, 2001.
Kauffman, T. L., Geriatric Rehabilitation Manual, Churchill Livingstone, 1999.
Kim, S. J. and Han, D. W., The Study of Development Control Strategy in Postural Maintenance, The Korean Journal of Physical Education, 41(5), 827-836, 2002.
Kim, T. S., Scarcity of the used-bassinets, MBC News, 2007. 08. 27.
Koozerkanani, S. H., Stockwell, C. W., McGhee, R. B. and Firoozmand, F., On the role of dynamic models in quantitative posturography, IEEE Transactions on Biomedical Engineering, 27(10), 605-609, 1980.
Korean Agency for Technology and Standards. Self-Regulatory Safety Confirmation System - Walking Aids for Elderly People. Ministry of Knowledge Economy, R. O. Korea, 2007.
Laura, K. S., Elizabeth, L. W. and Lehmkuhl, L. D., Brunnstrom's Clinical Kinesiology, Davis, F.A. 1996.
Lee, J. K., Grandmother said "Where is the used-bassinet?", Segye Times, 2007. 11. 16.
Lewis, C. and Bottomley, J., Musculoskeletal changes with age. In: Lewis, C., (Ed.), Aging: The health care's challenge. (4th ed.), Davis, F.A., Philadelphia, 2002.
Park, J. Y. and Cho, A., "A Safety evaluation of Walking Aids for the aged", Spring Conference of Ergonomics Society of Korea, 3 (pp. 23-27), Gumi, Gyeongbuk, 2008.
Prince, F., Corriveau, H., Hebert, R. and Winter, D. A., Gait in the elderly, Gait and Posture, 5(2), 128-135, 1997.
Samuelsson, K. and Wressle, E., User satisfaction with mobility assistive devices: An important element in the rehabilitation process, Disability & Rehabilitation, 30(7), 551-558, 2008.
Shin, D. J., et al. "Design Improvement and Anthropometric Analysis of Four-wheeled Walker", Fall Conference of Ergonomics Society of Korea, 4 (pp. 12-13), Gimhae, Gyeongnam, 2008.
Shumway-Cook, A., Woollacott, M., Kerns, K. A. and Baldwin, M., The effects of two types of cognitive tasks on postural stability in older adults with and without a history of falls, Journals of Gerontology Series A: Biological Sciences and Medical Sciences, 52(4), 232-240, 1997.
Smidt, G. L. and Mommens, M. A., System of Reporting and Comparing Influence of Ambulatory Aids on Gait, Physical Therapy, 60(5), 551 -558, 1980.
Spirduso, W. W., Francis, K., Eakin, T. and Stanford, C., Quantification of manual force control and tremor, Journal of Motor Behavior, 37(3), 197-210, 2005.
Statistics Korea, 2008 Aged People Statistics, Statistics Korea, 2008.
Yang, Y. A., et al. Occupational Therapy for Elderly People, Gye-Chuk, 2008.