| Project/Area Number |
25350890
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Applied health science
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| Research Institution | National Institute of Fitness and Sports in Kanoya |
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Principal Investigator |
Yoshitake Yutaka 鹿屋体育大学, スポーツ人文・応用社会科学系, 教授 (00136334)
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| Co-Investigator(Kenkyū-buntansha) |
吉田 剛一郎 鹿屋体育大学, スポーツ生命科学系, 准教授 (10274870)
前田 明 鹿屋体育大学, スポーツ生命科学系, 教授 (40264543)
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| Project Period (FY) |
2013-04-01 – 2017-03-31
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| Project Status |
Completed (Fiscal Year 2016)
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| Budget Amount *help |
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2015: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2014: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2013: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
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| Keywords | 高齢者 / 身体活動 / 歩数 / 健康寿命 / 運動・移動能力 / 体力 / 身体的自立 / 介護 / 後期高齢者 / 加速度計 / 階段昇降 / 生活機能 / 膝痛 / 下肢痛 |
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| Outline of Final Research Achievements |
We examined the time and intensity of physical activity needed to maintain an active life expectancy in older adults. The participants comprised 152 older adults (age 60-88 years). Median follow-up was 3.7 years (range 1-8 years). The factors of physical fitness, step/day, intensity and duration of physical activity were measured. The 10-maximum walking speed(10MWS) and Timed Up and Go Test(TUG) gradually decline from a physical activity level of approximately 6000 steps /day as the number of steps decrease. This suggests that 6000 steps/day are needed to maintain mobility in older adults. In a longitudinal study, a significant decrease of 10MWA occurred with a 30% decline in the daily steps at follow-up, whereas an increase in the number of daily steps did not prevent a decrease in the both10MWAS and stair climb power at follow-up. This result suggests that increased daily physical activity did not prevent a deterioration in the mobility at follow-up.
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