| Budget Amount *help |
¥19,240,000 (Direct Cost: ¥14,800,000、Indirect Cost: ¥4,440,000)
Fiscal Year 2013: ¥6,500,000 (Direct Cost: ¥5,000,000、Indirect Cost: ¥1,500,000)
Fiscal Year 2012: ¥6,110,000 (Direct Cost: ¥4,700,000、Indirect Cost: ¥1,410,000)
Fiscal Year 2011: ¥6,630,000 (Direct Cost: ¥5,100,000、Indirect Cost: ¥1,530,000)
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| Research Abstract |
Daily 24-h accelerometer data, collected continuously for 10 years, were categorized into activity quartiles. Final lean mass was greater for the third activity quartile (men and women with respective mean counts of 7,800 and 7,700 steps/day or mean duration of exercise at >3 metabolic equivalents (METs) of 20 and 17 min/day) than for the first and second quartiles. A proportional hazards model predicted that, over the 10 years, men and women in the two lowest activity quartiles (<6,700 and <6,800 steps/day) were 2.3 and 3.0 times as likely, respectively, to be sarcopenic as those in the highest activity quartile (>9,000 and >8,400 steps/day). Likewise, men and women with <16 and <14 min/day, respectively, of activity >3 METs were 3.0 and 3.5 times as likely to develop sarcopenia as those with >28 and >22 min/day. The risk of developing sarcopenia was substantially lower in elderly people taking at least 7,000-8,000 steps/day or exercising for at least 15-20 min/day at >3 METs.
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