高齢者のバランス支持要素において感覚器が及ぼす影響

概要

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PURPOSE: The purpose of this study was to investigate the postural control on different conditions in health elder. METHOD: Twenty-four healthy older adults without history of neurological disease or falls participated in this study. Postural control was measured using the NeuroCom Equi-testR to examine the 6 different conditions; (1) eyes open with no movement of the support surface and visual surround, (2) eyes closed with no movement of support surface, (3) eyes open with a sway referenced visual surround and no movement of support surface, (4) eyes open with a sway referenced support surface and no movement of visual surround, (5) eyes closed with a sway referenced support surface, (6) eyes open with both a sway referenced support surface and a sway referenced visual surround. RESULT: The healthy elderly showed that postural control was unstable in condition 4 and 5 compared with condition 1 in static visual condition. Moreover, the postural control was unstable in condition 6 compared with condition 1 and 3 in dynamic visual situation. CONCLUSION: Vestibular and somatosensory systems were more important than visual system for maintaining the stable posture in healthy elderly.
2012-03-30