2011 Fiscal Year Final Research Report
Investigation on Visual Perception and Muscle Strength/Flexibility of Lower Extremities Affecting Postural Control, in Association with Occurrence of Accidental Fall in the Elderly
| Project/Area Number |
21592869
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Community health/Gerontological nurisng
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| Research Institution | Oita University of Nursing and Health Sciences |
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Principal Investigator |
ETO Maki 大分県立看護科学大学, 看護学部, 准教授 (30295167)
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| Project Period (FY) |
2009 – 2011
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| Keywords | 転倒 / 高齢者 / 姿勢制御 / 視知覚 / 下肢筋力 / 柔軟性 |
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| Research Abstract |
In this study, we investigated effects of visual perception and muscle strength/flexibility of lower extremities in occurrence of accidental fall, as well as their involvement inpostural control.The study included 142 elderly subjects (aged 75.2 ± 5.7 years) and we investigated the use of glasses, Tokyo Metropolitan Institute of Gerontology Index of Competence, incidence of accidental fall, and anxiety of accidental fall. Measurements included; visual acuity , dynamic visual acuity, muscle strength of lower extremities, range of motion in ankle joint, long seat body anteflexion, and total trajectory length/circumferential area/rectangular area of the body sway .For the incidence of accidental fall, significant differences were observed in; 1) total trajectory length, 2) circumferential area, 3) age and dynamic visual acuity between a group with visual acuity <0.3 and a group with visual acuity >=0.3, 4) grip strength and ability to stand on one leg with eyes open between a group with muscle strength of lower extremities of <0.4 and a group with muscle strength of lower extremities of >=0.4, 5) anxiety of accidental fall, and 6) the use of glasses.
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