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Gait Posture. 2002 Feb;15(1):75-82.

Adaptation of postural control to perturbations--a process that initiates long-term motor memory.

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Department of Otorhinolaryngology, University Hospital of Lund, S-221 85, Lund, Sweden.


The objective was to investigate postural control adaptation during daily repeated posturography with vibratory calf stimulation. The posturography was performed with eyes open and closed daily for 5 days and after 90 days on 12 healthy subjects. The postural control adaptation could be described as two separate processes, a rapid adaptation during the test progress and a long-term habituation between consecutive test days. The adaptive improvements gained during the 5 days consecutive testing, largely remained 90 days later but seemed restricted to the same test situation. The findings suggest that balance rehabilitation should include a variety of repeated exercises, which are sufficiently long to induce habituation.

[Indexed for MEDLINE]

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