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Stabilometric responses of young and elderly to recover balance after an unexpected controlled perturbation

This research aimed to determine the characteristics employed during balance recovery arising from an unexpected disruption between elderly and young adults. Therefore, 20 university students (22 ± 2.6 anos; 62.3 ± 10.6 kg) and 20 elderly (70.3 ± 3.2 anos; 64.5 ± 9.3 kg) underwent a test disturbance of posture control on a force platform. The amplitude of the CP in the anteroposterior direction was 3.20 ± 0.67 cm for the young, which showed a smaller displacement than the elderly (4.55 ± 0.9 cm, p <0.05). It was found that the elderly had the largest and fastest displacements of center of pressure in the antero-posterior direction than young adults. This increased amplitude of oscillation for the elderly causes a slower response in the recovery of instability, thus increasing the probability of falling in this population.

Aging health; Stabilometry; Postural control


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