Journal of Biomechanics
Volume 39, Issue 8 , Pages 1444-1453 , 2006

Can initial and additional compensatory steps be predicted in young, older, and balance-impaired older females in response to anterior and posterior waist pulls while standing?

  • Brian W. Schulz

      Affiliations

    • Biomechanics Research Laboratory, Department of Mechanical Engineering, University of Michigan, Ann Arbor, MI, USA
    • Department of Internal Medicine, Division of Geriatric Medicine, Mobility Research Center, University of Michigan, Ann Arbor, MI, USA
    • Institute of Gerontology, University of Michigan, Ann Arbor, MI, USA
    • Corresponding Author InformationCorresponding author. Patient Safety Research Center, James A. Haley VA Hospital, Tampa, FL 33612, USA. Tel.: +18135583944; fax: +18135583990.
    • ,
  • James A. Ashton-Miller

      Affiliations

    • Biomechanics Research Laboratory, Department of Mechanical Engineering, University of Michigan, Ann Arbor, MI, USA
    • Institute of Gerontology, University of Michigan, Ann Arbor, MI, USA
    • ,
  • Neil B. Alexander

      Affiliations

    • Department of Internal Medicine, Division of Geriatric Medicine, Mobility Research Center, University of Michigan, Ann Arbor, MI, USA
    • Institute of Gerontology, University of Michigan, Ann Arbor, MI, USA
    • VA Ann Arbor Health Care System, Geriatrics Research Education and Clinical Center (GRECC), MI, USA

,Accepted 8 April 2005.

References 

  1. Brauer SG, Woollacott M, Shumway-Cook A. The influence of a concurrent cognitive task on the compensatory stepping response to a perturbation in balance-impaired and healthy elders. Gait & Posture. 2002;15:83–93
  2. de Leva P. Adjustments to Zatsiorsky–Seluyanov's segment inertia parameters. Journal of Biomechanics. 1996;29:1223–1230
  3. Hof AL, Gazendam MGJ, Sinke WE. The condition for dynamic stability. Journal of Biomechanics. 2005;38:1–8
  4. Loughlin PJ, Redfern MS, Furman JM. Nonstationarities of postural sway. IEEE Engineering in Medicine & Biology Magazine. 2003;22:69–75
  5. Luchies CW, Alexander NB, Schultz AB, Ashton-Miller J. Stepping responses of young and old adults to postural disturbances: kinematics. Journal of the American Geriatrics Society. 1994;42:506–512
  6. Maki BE, McIlroy WE. The control of foot placement during compensatory stepping reactions: does speed of response take precedence over stability?. IEEE Transactions on Rehabilitation Engineering. 1999;7:80–90
  7. McIlroy WE, Maki BE. Task constraints on foot movement and the incidence of compensatory stepping following perturbation of upright stance. Brain Research. 1993;616:30–38
  8. McIlroy WE, Maki BE. Age-related changes in compensatory stepping in response to unpredictable perturbations. Journals of Gerontology Series A—Biological Sciences & Medical Sciences. 1996;51:M289–M296
  9. Mille ML, Rogers MW, Martinez K, Hedman LD, Johnson ME, Lord SR, et al. Thresholds for inducing protective stepping responses to external perturbations of human standing. Journal of Neurophysiology. 2003;90:666–674
  10. Pai YC, Rogers MW, Patton J, Cain TD, Hanke TA. Static versus dynamic predictions of protective stepping following waist-pull perturbations in young and older adults. Journal of Biomechanics. 1998;31:1111–1118
  11. Pai YC, Maki BE, Iqbal K, McIlroy WE, Perry SD. Thresholds for step initiation induced by support-surface translation: a dynamic center-of-mass model provides much better prediction than a static model. Journal of Biomechanics. 2000;33:387–392
  12. Rogers MW, Hain TC, Hanke TA, Janssen I. Stimulus parameters and inertial load: effects on the incidence of protective stepping responses in healthy human subjects. Archives of Physical Medicine & Rehabilitation. 1996;77:363–368
  13. Schulz, B.W., Alexander, N.B., Ashton-Miller, J.A., 2005. Compensatory stepping in response to waist pulls in balance-impaired and unimpaired women. Gait & Posture, in press.
  14. Slobounov SM, Moss SA, Slobounova ES, Newell KM. Aging and time to instability in posture. Journals of Gerontology Series A—Biological Sciences & Medical Sciences. 1998;53:B71–B78
  15. Thelen DG, Schultz AB, Alexander NB, Ashton-Miller JA. Effects of age on rapid ankle torque development. Journals of Gerontology Series A—Biological Sciences & Medical Sciences. 1996;51:M226–M232
  16. Thelen DG, Wojcik LA, Schultz AB, Ashton-Miller JA, Alexander NB. Age differences in using a rapid step to regain balance during a forward fall. Journals of Gerontology Series A-Biological Sciences & Medical Sciences. 1997;52:M8–M13
  17. van Wegen EE, van Emmerik RE, Wagenaar RC, Ellis T. Stability boundaries and lateral postural control in Parkinson's disease. Motor Control. 2001;5:254–269
  18. van Wegen EE, van Emmerik RE, Riccio GE. Postural orientation: age-related changes in variability and time-to-boundary. Human Movement Science. 2002;21:61–84

PII: S0021-9290(05)00177-6

doi: 10.1016/j.jbiomech.2005.04.004

Journal of Biomechanics
Volume 39, Issue 8 , Pages 1444-1453 , 2006

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