Aslan, B.U., Cavlak, U., Yagci, N., and Akdag, B. (2008) Balance performance, aging and falling. A comparative study based on a Turkish sample. Archives of Gerontology and Geriatrics, 46: 283-292.
Binda, S.M., Culham, E.G., and Brouwer, B. (2003) Balance, muscle strength, and fear of falling in older adults. Experimental Aging Research: 205-219.
Debra, J. Rose, PhD (2005) Balance, posture, and locomotion.In: Spirduso, W.W., Francis, K.L., and MacRae, P.G. (Eds.) Physical Dimensions of Aging second edition. Human Kinetics, Champaign, pp. 131-155.
Duncan, W.P., Studenski, S., Chandler, S., and Prescott, B. (1992) Functional reach: Predictive validity in a sample of elderly male veterans. Journal of Gerontology: 47, 93-98.