Characteristics of Dynamic Balance of Elderly Persons Performing a Dual Task

[Purpose] The objective of this research was to investigate dynamic balance during performance of a dual task from quantitative and qualitative viewpoints. [Subjects] The subjects were 32 healthy adults, 26 early stage (young) elderly persons, and 24 late stage (old) elderly persons. [Method] With a...

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Bibliographic Details
Published in:Rigaku ryoho kagaku 2013, Vol.28(3), pp.403-406
Main Authors: HIRASHIMA, Kenichi, UGUISU, Haruo, TAGASHIRA, Katsuyuki, HIRANO, Yasuyuki, KONDO, Yoshitsugu
Format: Article
Language:eng ; jpn
Subjects:
dual task
dynamic balance
safety
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Summary:[Purpose] The objective of this research was to investigate dynamic balance during performance of a dual task from quantitative and qualitative viewpoints. [Subjects] The subjects were 32 healthy adults, 26 early stage (young) elderly persons, and 24 late stage (old) elderly persons. [Method] With a dynamic balance task as the single task, and the single task with a memory recall task as the dual task, we compared the quantitative indices of circumferential area (CA) and rectangular area (RA) of sway path with the qualitative index of the rectangular and circumferential areas (CR) ratio. [Results] In the comparison of CA and RA between the two conditions, we found only a significant decline in CA of the old elderly. Also, we only found a difference between the conditions in the old elderly group. [Conclusion] The results of the present study suggest that postural control while performing a dual task not only declines quantitatively, but also qualitatively with aging.
ISSN:1341-1667
2434-2807
DOI:10.1589/rika.28.403