Balance control on a moving platform in unilateral lower limb amputees

A. H. Vrieling*, H. G. van Keeken, T. Schoppen, E. Otten, A. L. Hof, J. P. K. Halbertsma, K. Postema

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

103 Citations (Scopus)
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Abstract

Objective: To study balance control on a moving platform in lower limb amputees.

Design: Observational cohort study.

Participants: Unilateral transfemoral and transtibial amputees and able-bodied control subjects.

Interventions: Balance control on a platform that moved in the anteroposterior direction was tested with eyes open, blindfolded and while performing a dual task.

Main outcome measures: Weight bearing symmetry, anteroposterior ground reaction force and centre of pressure shift.

Results: Compared to able-bodied subjects, in amputees the anteroposterior ground reaction force was larger in the prosthetic and non-affected limb, and the centre of pressure displacement was increased in the non-affected limb and decreased in the prosthetic limb. In amputees body weight was loaded more on the non-affected limb. Blindfolding or adding a dual task did not influence the outcome measures importantly.

Conclusion: The results of this study indicate that experienced unilateral amputees with a high activity level compensate for the loss of ankle strategy by increasing movements and loading in the non-affected limb. The ability to cope with balance perturbations is limited in the prosthetic limb. To enable amputees to manage all possible balance disturbances in real life in a safe manner, we recommend to improve muscle strength and control in the non-affected limb and to train complex balance tasks in challenging environments during rehabilitation. (c) 2007 Elsevier B.V. All rights reserved.

Original languageEnglish
Pages (from-to)222-228
Number of pages7
JournalGait & Posture
Volume28
Issue number2
DOIs
Publication statusPublished - Aug-2008

Keywords

  • dynamic balance
  • amputees
  • rehabilitation
  • centre of pressure
  • ANTICIPATORY POSTURAL ADJUSTMENTS
  • SUPPORT-SURFACE CONFIGURATIONS
  • TRANS-TIBIAL AMPUTEES
  • ALTERED SUPPORT
  • COGNITIVE TASK
  • KNEE AMPUTEES
  • STANCE
  • SWAY
  • PERFORMANCE
  • REHABILITATION

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