| Budget Amount *help |
¥17,420,000 (Direct Cost: ¥13,400,000、Indirect Cost: ¥4,020,000)
Fiscal Year 2020: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2019: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2018: ¥5,330,000 (Direct Cost: ¥4,100,000、Indirect Cost: ¥1,230,000)
Fiscal Year 2017: ¥9,880,000 (Direct Cost: ¥7,600,000、Indirect Cost: ¥2,280,000)
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| Outline of Final Research Achievements |
The purpose of this study was to investigate the effect of triceps brachii (TB) muscle architecture on muscle contraction patterns and neuromuscular activity. Thirteen young men and women exerted isometric muscle strength at 50% and 75% of voluntary elbow extension (MVC) at elbow joint angles of 60, 90, and 120 degrees. As a result, the TB-long head fascicle lengths were significantly shortened at the elbow joint angles of 60 and 90 degrees compared to the rest. Next, we examined the neuromuscular activity of the TB muscles. As a result, the muscle activity of the three TB muscles increased linearly with the exertion of force. From the above results, it was shown that in the human TM muscle, no significant change in muscle architecture or muscle activity was observed with muscle contraction, which is significantly different from the result of the quadriceps femoris muscle, which is an anti-gravity muscle.
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