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Auxiliary Sensory Cues Improve Automatic Postural Responses in Individuals With Diabetic Neuropathy

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Title: Auxiliary Sensory Cues Improve Automatic Postural Responses in Individuals With Diabetic Neuropathy
Author(s): Rao, Noel; Aruin, Alexander S.
Abstract: Background. A loss of sensation in the lower limbs, observed in individuals with diabetes as well as the elderly, contributes to postural instability, altered gait patterns, increased risk of falling, and decreased quality of life. Objective. To find out if somatosensory cues delivered to the intact tissues of the lower limbs above the ankle joints enhance the control of posture in individuals with peripheral neuropathy. Methods. Twelve individuals with sensory neuropathy due to diabetes participated in static and dynamic balance tests with and without auxiliary sensory cues provided to the lower limbs without stabilizing the ankle joints. During the tests the subjects were required to stand on a fixed or moving computer-controlled platform with their eyes open or closed. Equilibrium scores and response latency were obtained. Results. For all tests, equilibrium scores were significantly larger in experiments with auxiliary sensory cues in comparison to conditions without cues (p < 0.05). Smaller latency scores were recorded in conditions with available auxiliary sensory information. The results indicate that auxiliary sensory cues provided to the intact tissues of the lower extremities could improve automatic postural responses in individuals with diabetic peripheral neuropathy. Conclusions. The observed enhancement of automatic postural responses has clinical implications that aid in the understanding of postural control in individuals with peripheral neuropathy. The study outcome also provides a basis for future investigations on whether specially designed assistive means that provide auxiliary sensory cues could improve balance, mobility, and the performance of ADLs in individuals with peripheral neuropathy.
Issue Date: 2011-01
Publisher: SAGE Publications
Citation Info: Rao, N. & Aruin, A. S. 2011. Auxiliary Sensory Cues Improve Automatic Postural Responses in Individuals With Diabetic Neuropathy. Neurorehabilitation and Neural Repair, 25(2): 110-117. DOI: 10.1177/1545968310376760
Type: Article
Description: Post print version of article may differ from published version. The definitive version is available through SAGE Publications at DOI: 10.1177/1545968310376760
URI: http://hdl.handle.net/10027/8475
ISSN: 1545-9683
Sponsor: This work was supported by the NIH grant HD51628. We would like to thank the patients for their exceptional cooperation, Dan Hasso, CPO for his help in designing AFOs, and Cheryl Carlson, PT for her help in testing.
Date Available in INDIGO: 2012-08-15
 

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