Patterns of gait variability across the lifespan in persons with and without down syndrome

Journal of Neurologic Physical Therapy

Volumn 35, Issue 4, 2011, Pages 170-177

  Smith, Beth A ^a   Stergiou, Nicholas ^b   Ulrich, Beverly D ^c  

^a OREGON HEALTH AND SCIENCE UNIVERSITY   (United States)

^b UNIVERSITY OF NEBRASKA AT OMAHA   (United States)

^c UNIVERSITY OF MICHIGAN   (United States)

Author keywords

Approximate entropy; Down syndrome; Gait; Lifespan; Lyapunov Exponent; Variability

Indexed keywords

ADOLESCENT; ADULT; ARTICLE; BIOMECHANICS; CHILD; DOWN SYNDROME; EXERCISE TEST; FEMALE; GAIT; HUMAN; INFANT; MALE; MIDDLE AGED; PATHOPHYSIOLOGY; PHYSIOLOGY; PRESCHOOL CHILD; WALKING;

ADOLESCENT; ADULT; BIOMECHANICS; CHILD; CHILD, PRESCHOOL; DOWN SYNDROME; EXERCISE TEST; FEMALE; GAIT; HUMANS; INFANT; MALE; MIDDLE AGED; WALKING;

EID: 84856226100     PISSN: 15570576     EISSN: 15570584     Source Type: Journal    
DOI: 10.1097/NPT.0b013e3182386de1     Document Type: Article

References (38)

1. Darling WG, Cooke JD, Brown SH. Control of simple arm movements in elderly humans. Neurobiol Aging. 1989;10:149-157. (Pubitemid 19164512)
2. Panzer VP, Bandinelli S, Hallett M. Biomechanical assessment of quiet standing and changes associated with aging. Arch Phys Med Rehabil. 1995;76:151-157.
3. Callisaya ML, Blizzard L, Schmidt MD, McGinley JL, Srikanth VK. Ageing and gait variability-a population-based study of older people. Age Ageing. 39:191-197.
4. Owings TM, Grabiner MD. Variability of step kinematics in young and older adults. Gait Posture. 2004;20:26-29. (Pubitemid 38758024)
5. Grabiner PC, Biswas ST, Grabiner MD. Age-related changes in spatial and temporal gait variables. Arch Phys Med Rehabil. 2001;82:31-35. (Pubitemid 32057616)
6. Menz HB, Lord SR, Fitzpatrick RC. Age-related differences in walking stability. Age Ageing. 2003;32:137-142. (Pubitemid 36372418)
7. Buzzi UH, Stergiou N, Kurz MJ, Hageman PA, Heidel J. Nonlinear dynamics indicates aging affects variability during gait. Clin Biomech. 2003;18:435-443. (Pubitemid 36583590)
8. Galica AM, Kang HG, Priplata AA, et al. Subsensory vibrations to the feet reduce gait variability in elderly fallers. Gait Posture. 2009;30:383-387.
9. Sosnoff JJ, Voudrie SJ. Practice and age-related loss of adaptability in sensorimotor performance. J Mot Behav. 2009;41:137-146.
10. Kornatz KW, Christou EA, Enoka RM. Practice reduces motor unit discharge variability in a hand muscle and improves manual dexterity in old adults. J Appl Physiol. 2005;98:2072-2080. (Pubitemid 40726898)
11. Hausdorff JM, Nelson ME, Kaliton D, et al. Etiology and modification of gait instability in older adults: a randomized controlled trial of exercise. J Appl Physiol. 2001;90:2117-2129. (Pubitemid 32467403)
12. Brach JS, Berlin JE, VanSwearingen JM, Newman AB, Studenski SA. Too much or too little step width variability is associated with a fall history in older persons who walk at or near normal gait speed. J Neuroeng Rehab. 2005;2:21.
13. Harbourne RT, Stergiou N. Movement variability and the use of nonlinear tools: principles to guide physical therapist practice. Phys Ther. 2009;89:267-282.
14. Stergiou N, Harbourne R, Cavanaugh J. Optimal movement variability: a new theoretical perspective for neurologic physical therapy. J Neurol Phys Ther. 2006;30:120-129.
15. Fetters L. Perspective on variability in the development of human action. Phys Ther. 2010;90:1860-1867.
16. Smith BA, Kubo M, Black DP, Holt KG, Ulrich BD. Effect of practice on a novel task-walking on a treadmill: preadolescents with and without Down syndrome. Phys Ther. 2007;87:766-777. (Pubitemid 46870401)
17. Ulrich BD, Haehl V, Buzzi UH, Kubo M, Holt KG. Modeling dynamic resource utilization in populations with unique constraints: preadolescents with and without Down syndrome. Hum Mov Sci. 2004;23:133-156. (Pubitemid 39341871)
18. Smith BA, Ulrich BD. Early onset of stabilizing strategies for gait and obstacles: older adults with Down syndrome. Gait Posture. 2008;28:448-455.
19. Buzzi UH, Ulrich BD. Dynamic stability of gait cycles as a function of speed and system constraints. Motor Control. 2004;8:241-254. (Pubitemid 41529081)
20. Black DP, Chang CL, Kubo M, Holt KG, Ulrich BD. Developmental trajectory of dynamic resource utilization during walking: toddlers with and without Down syndrome. Hum Mov Sci. 2009;28:141-154.
21. Latash ML, Anson GJ. Synergies in health and disease: relations to adaptive changes in motor coordination. Phys Ther. 2006;86:1151-1160. (Pubitemid 44148067)
22. Black DP, Smith BA, Wu J, Ulrich BD. Uncontrolled manifold analysis of segmental angle variability during walking: preadolescents with and without Down syndrome. Exp Brain Res. 2007;183:511-521. (Pubitemid 350029369)
23. Smith BA, Ashton-Miller JA, Ulrich BD. Gait adaptations in response to perturbations in adults with Down syndrome. Gait Posture. 2010; 32:6.
24. Brach JS, Studenski SA, Perera S, VanSwearingen JM, Newman AB. Gait variability and the risk of incident mobility disability in communitydwelling older adults. J Gerontol A Biol Sci Med Sci. 2007;62:983-988. (Pubitemid 47531214)
25. Hausdorff JM, Rios DA, Edelberg HK. Gait variability and fall risk in community-living older adults: a 1-year prospective study. Arch Phys Med Rehab. 2001;82:1050-1056. (Pubitemid 32744331)
26. Barak Y, Wagenaar RC, Holt KG. Gait characteristics of elderly people with a history of falls: a dynamic approach. Phys Ther. 2006;86:1501-1510. (Pubitemid 44672540)
27. Maki BE. Gait changes in older adults: predictors of falls or indicators of fear. J Am Geriatr Soc. 1997;45:313-320. (Pubitemid 27114304)
28. Alton F, Baldey L, Caplan S, Morrissey LC. A kinematic comparison of overground and treadmill walking. Clin Biomech. 1998;13:434-440. (Pubitemid 28400993)
29. Berg K, Wood-Dauphinee S, Williams JI, Gayton D. Measuring balance in the elderly: preliminary development of an instrument. Physiother Can. 1989;41:304-311. (Pubitemid 20026286)
30. Berg KO, Wood-Dauphinee SL, Williams JI, Maki B. Measuring balance in the elderly: validation of an instrument. Can J Public Health. 1992;83(suppl 2):S7-S11. (Pubitemid 23017045)
31. Hausdorff JM. Gait dynamics, fractals and falls: finding meaning in the stride-to-stride fluctuations of human walking. Hum Mov Sci. 2007;26:555-589. (Pubitemid 47324190)
32. Ohgi S, Morita S, Loo KK, MizuikeC. Time series analysis of spontaneous upper-extremity movements of premature infants with brain injuries. Phys Ther. 2008;88:1022-1033.
33. Dusing SC, Kyvelidou A, Mercer VS, Stergiou N. Infants born preterm exhibit different patterns of center-of-pressuremovement than infants born at full term. Phys Ther. 2009;89:1354-1362.
34. Stergiou N. Innovative Analyses of Human Movement. Champaign, IL: Human Kinetics; 2004.
35. Smith BA, Stergiou N, Ulrich BD. Lyapunov Exponent and surrogation analysis of patterns of variability: profiles in new walkers with and without Down syndrome. Motor Control. 2010;14:16.
36. Jordan K, Challis JH, Cusumano JP, Newell KM. Stability and the timedependent structure of gait variability in walking and running. Hum Mov Sci. 2009;28:113-128.
37. Stergiou N, Moraiti C, Giakas G, Ristanis S, Georgoulis AD. The effect of the walking speed on the stability of the anterior cruciate ligament deficient knee. Clin Biomech. 2004;19:957-963. (Pubitemid 39314541)
38. Georgoulis AD, Moraiti C, Ristanis S, Stergiou N. A novel approach to measure variability in the anterior cruciate ligament deficient knee during walking: the use of theApproximate Entropy in orthopaedics. J Clin Monit Comput. 2006;20:11-18.