1. Beurskens R, Bock O. Age-related deficits of dual-task walking: a review. Neural plasticity. 2012;2012.##
2. Cromwell RL, Newton RA. Relationship between balance and gait stability in healthy older adults. Journal of Aging and Physical Activity. 2004;12(1):90-100. ##
3. Osoba MY, Rao AK, Agrawal SK, Lalwani AK. Balance and gait in the elderly: A contemporary review. Laryngoscope Investigative Otolaryngology. 2019. ##
4. Ghanavati T, Salavati M, Karimi N, Negahban H, Takamjani IE, Mehravar M, et al. Intra-limb coordination while walking is affected by cognitive load and walking speed. Journal of Biomechanics. 2014;47(10):2300-5. ##
5. Krasovsky T, Lamontagne A, Feldman AG, Levin MF. Effects of walking speed on gait stability and interlimb coordination in younger and older adults. Gait & posture. 2014;39(1):378-85. ##
6. Hebenstreit F, Leibold A, Krinner S, Welsch G, Lochmann M, Eskofier BM. Effect of walking speed on gait sub phase durations. Human movement science. 2015;43:118-24. ##
7. Chiu S-L, Chou L-S. Effect of walking speed on inter-joint coordination differs between young and elderly adults. Journal of biomechanics. 2012;45(2):275-80. ##
8. Jordan K, Challis JH, Newell KM. Walking speed influences on gait cycle variability. Gait & posture. 2007;26(1):128-34. ##
9. Yoon J, Kumar RP, Özer A. An adaptive foot device for increased gait and postural stability in lower limb Orthoses and exoskeletons. International Journal of Control, Automation and Systems. 2011;9(3):515. ##
10. Chiu S-L, Chou L-S. Variability in inter-joint coordination during walking of elderly adults and its association with clinical balance measures. Clinical biomechanics. 2013;28(4):454-8. ##
11. Dubost V, Kressig RW, Gonthier R, Herrmann FR, Aminian K, Najafi B, et al. Relationships between dual-task related changes in stride velocity and stride time variability in healthy older adults. Human movement science. 2006;25(3):372-82. ##
12. Lindenberger U, Marsiske M, Baltes PB. Memorizing while walking: increase in dual-task costs from young adulthood to old age. Psychology and aging. 2000;15(3):417. ##
13. Hollman JH, Childs KB, McNeil ML, Mueller AC, Quilter CM, Youdas JW. Number of strides required for reliable measurements of pace, rhythm and variability parameters of gait during normal and dual task walking in older individuals. Gait & Posture. 2010;32(1):23-8. ##
14. Byrne JE, Stergiou N, Blanke D, Houser JJ, Kurz MJ, Hageman PA. Comparison of gait patterns between young and elderly women: an examination of coordination. Perceptual and motor skills. 2002;94(1):265-80. ##
15. Lord SR, Smith ST, Menant JC. Vision and falls in older people: risk factors and intervention strategies. Clinics in geriatric medicine. 2010;26(4):569-81. ##
16. Ansari NN, Naghdi S, Hasson S, Valizadeh L, Jalaie S. Validation of a Mini-Mental State Examination (MMSE) for the Persian population: a pilot study. Applied neuropsychology. 2010;17(3):190-5. ##
17. Irandoust K, Taheri M. The effect of aquatic training on kinematic walking patterns of elderly women. International Archives of Health Sciences. 2019;6(1):1. ##
18. Hall CD, Echt KV, Wolf SL, Rogers WA. Cognitive and motor mechanisms underlying older adults' ability to divide attention while walking. Physical therapy. 2011;91(7):1039-50. ##
19. Krampe RT, Schaefer S, Lindenberger U, Baltes PB. Lifespan changes in multi-tasking: concurrent walking and memory search in children, young, and older adults. Gait & posture. 2011;33(3):401-5. ##
20. Hausdorff JM, Schweiger A, Herman T, Yogev-Seligmann G, Giladi N. Dual-task decrements in gait: contributing factors among healthy older adults. The Journals of Gerontology Series A: Biological Sciences and Medical Sciences. 2008;63(12):1335-43. ##
21. Lamoth CJ, van Deudekom FJ, van Campen JP, Appels BA, de Vries OJ, Pijnappels M. Gait stability and variability measures show effects of impaired cognition and dual tasking in frail people. Journal of NeuroEngineering and Rehabilitation. 2011;8(1):2. ##
22. García RB, Corresa SP, Bertomeu JMB, Suárez-Varela MMM. Static posturography with dynamic tests. Usefulness of biomechanical parameters in assessing vestibular patients. Acta Otorrinolaringologica (English Edition). 2012;63(5):332-8. ##
23. Boisgontier MP, Beets IA, Duysens J, Nieuwboer A, Krampe RT, Swinnen SP. Age-related differences in attentional cost associated with postural dual tasks: increased recruitment of generic cognitive resources in older adults. Neuroscience & Biobehavioral Reviews. 2013;37(8):1824-37. ##