Priplata, Attila A
(Center for BioDynamics and Department of Biomedical Engineering, Boston University, Boston, MA 02215, USA)
,
Niemi, James B
(Afferent Corporation, Providence, RI)
,
Harry, Jason D
(Afferent Corporation, Providence, RI)
,
Lipsitz, Lewis A
(Hebrew Rehabilitation Center for Aged Research and Training Institute and Beth Israel Deaconess Medical Center Gerontology Division, Boston)
,
Collins, James J
(Center for BioDynamics and Department of Biomedical Engineering, Boston University, Boston, MA 02215, USA)
Summary Somatosensory function declines with age, and such changes have been associated with diminished motor performance. Input noise can enhance sensory and motor function. We asked young and elderly participants to stand quietly on vibrating gelbased insoles, and calculated sway parameters and r...
Summary Somatosensory function declines with age, and such changes have been associated with diminished motor performance. Input noise can enhance sensory and motor function. We asked young and elderly participants to stand quietly on vibrating gelbased insoles, and calculated sway parameters and random-walk variables. In our 27 participants, application of noise resulted in a reduction in seven of eight sway parameters in young participants and all of the sway variables in elderly participants. Elderly participants showed greater improvement than young people in two variables, mediolateral range (p=0·008), and critical mean square displacement (p=0·012). Noise-based devices, such as randomly vibrating insoles, could ameliorate age-related impairments in balance control.
Summary Somatosensory function declines with age, and such changes have been associated with diminished motor performance. Input noise can enhance sensory and motor function. We asked young and elderly participants to stand quietly on vibrating gelbased insoles, and calculated sway parameters and random-walk variables. In our 27 participants, application of noise resulted in a reduction in seven of eight sway parameters in young participants and all of the sway variables in elderly participants. Elderly participants showed greater improvement than young people in two variables, mediolateral range (p=0·008), and critical mean square displacement (p=0·012). Noise-based devices, such as randomly vibrating insoles, could ameliorate age-related impairments in balance control.
참고문헌 (5)
J Gerontol A Biol Sci Med Sci Judge 50 M263 1995 10.1093/gerona/50A.5.M263 Dynamic balance in older persons: effects of reduced visual and proprioceptive input
Arch Phys Med Rehabi Liu 83 171 2002 10.1053/apmr.2002.28025 Noise-enhanced vibrotactile sensitivity in older adults, patients with stroke, and patients with diabetic neuropathy
J Gerontol Maki 49 M72 1994 10.1093/geronj/49.2.M72 A prospective study of postural balance and risk of falling in an ambulatory and independent elderly population
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