Postural Stability Challenges in Narrow Walking after Traumatic Brain Injury

Langenderfer, J.E.; Thompson, M.R.; Ustinova, K.I.

Авторы: Langenderfer Joseph E., Thompson Mara R., Ustinova Ksenia I.
Журнал: International Journal of Human Movement and Sports Sciences
Том: 9
Номер: 5
Год издания: 2021
Первая страница: 948
Последняя страница: 954
DOI: 10.13189/saj.2021.090516
Аннотация: The aim of this study was to evaluate the predictability and complexity of gait under preferred and narrow walking conditions for groups of TBI and age matched control subjects in order to determine if non-linear measures may be appropriate for identifying gait deviations not detected with more routine techniques. Ten participants from each group walked at preferred gait and with a narrow base of support. Center of mass motion was calculated from marker motion recorded with motion capture. Measures of predictability and complexity of center of mass motion were calculated with Recurrence Quantification Analysis. Walking with a narrow base of support resulted in a less predictable center of mass motion (reduced %Determinism) for TBI and control groups (p=0.0019 and p=0.0008, respectively), but no difference was found between groups. For the TBI group, there was a significant decrease in complexity of center of mass motion (lower Entropy, p=0.0038) with narrow base of support compared to preferred walking, but no difference in Entropy was found between groups. Theseresults suggest non-linear measures determined using techniques such as Recurrence Quantification Analysis might have potential to be valid and reliable measurement techniques for predicting gait deviations in future studies.
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Postural Stability Challenges in Narrow Walking after Traumatic Brain Injuryстатья

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