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Gait Posture. 2008 Aug;28(2):222-8. doi: 10.1016/j.gaitpost.2007.12.002. Epub 2008 Jan 22.

Balance control on a moving platform in unilateral lower limb amputees.

Author information

1
Center for Rehabilitation, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands. a.h.vrieling@rev.umcg.nl

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.

PMID:
18207407
DOI:
10.1016/j.gaitpost.2007.12.002
[Indexed for MEDLINE]

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