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J Phys Ther Sci. 2018 Jan;30(1):86-91. doi: 10.1589/jpts.30.86. Epub 2018 Jan 27.

Age-dependent changes in dynamic standing-balance ability evaluated quantitatively using a stabilometer.

Author information

1
Department of Internal Medicine (Endocrinology and Metabolism), Faculty of Medicine, University of Tsukuba: 1-1-1 Tennodai, Tsukuba, Ibaraki 305-0031, Japan.
2
Department of Rehabilitation Medicine, University of Tsukuba Hospital, Japan.
3
International Institute for Integrative Sleep Medicine (WPI-IIIS), University of Tsukuba, Japan.
4
Life Science Center of Tsukuba Advanced Research Alliance (TARA), University of Tsukuba, Japan.
5
Japan Agency for Medical Research and Development-Core Research for Evolutional Science and Technology (AMED-CREST), Japan.

Abstract

[Purpose] The efficacy of a stabilometer-based index of postural stability (IPS) as an indicator of dynamic balance ability was investigated. [Subjects and Methods] Using a stabilometer, we calculated the IPS in 583 healthy subjects (178 males, 405 females) under two conditions (open eyes/hard surface, OE/HS; closed eyes/soft surface, CE/SS). [Results] Results revealed a negative relation between IPS and age. IPS (OE/HS) began to decrease at middle-age (40-60 years old), and then decreased more rapidly during elderly ages (>60 years old). On the other hand, IPS (CE/SS) decreased linearly with increasing age. There was no gender difference between the two IPSs. [Conclusion] These results suggest that IPS can evaluate balance ability quantitatively and without a ceiling effect. It was concluded that IPS (OE/HS) indicates comprehensive balance ability, while IPS (CE/SS) reveals balance ability without compensation by visual acuity and plantar superficial sense.

KEYWORDS:

Dynamic balance ability; Index of postural stability (IPS); Stabilometer

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