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Conf Proc IEEE Eng Med Biol Soc. 2015;2015:6955-8. doi: 10.1109/EMBC.2015.7319992.

Angular sway propagation in One Leg Stance and quiet stance with Inertial Measurement Units for older adults.

Abstract

Postural stability degrades with age, threating the health and life quality of the older adults. One Leg Stance (OLS) is one of the standard and commonly adopted assessments for postural stability, and the postural sway in OLS has been demonstrated to be related with age. The propagation of postural sway between body segments could be a hint to the underlying mechanism of balance control. However, it is not yet fully understood. Therefore, the aim of this paper was to study the angular sways and their propagation of the head, trunk, and lower limb in healthy older adults. A cross-correlation of the normalized angular speeds was performed and the experiment with 68 older adults was conducted. The results showed that the head, hip and ankle joints affected the transfer of angular sway with a relatively lower correlation and longer latency.

PMID:
26737892
DOI:
10.1109/EMBC.2015.7319992
[Indexed for MEDLINE]

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