| Budget Amount *help |
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2015: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2014: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2013: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
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| Outline of Final Research Achievements |
The fluctuation of human motions across repetitive trials can reflect the control objective and the motor coordination used by the nervous system. However, its details are unclear. We showed, in the bicycle pedaling movements at a steady speed, that the inter-trial variances of the angular velocities and the joint torques of the lower limbs were distributed asymmetrically so that the variances of the tangential velocity and the tangential force on the pedal shaft were suppressed selectively. We proposed a new algorithm to estimate muscle activity with high accuracy by using a musculo-skeletal model, a static optimization, and the input of the joint angle and its first to fourth derivatives with respect to time.
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