| Budget Amount *help |
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2018: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2017: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2016: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
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| Outline of Final Research Achievements |
Rotator cuff has short moment arm which distance from joint center to joint stop. It is seemed to have low function for joint mobility, and to have function for joint stability. Rotator cuff is thought to have the function of shoulder joint stability keeping. Baseball pitcher doing shoulder movement with large range of motion, velocity and moment may need potent shoulder joint stability ability. We investigate some themes of one of the rotator cuff muscles infraspinatus function and morphology. Balance element during upper arm press movement does not relate shoulder joint stability muscles EMG activity. Baseball pitcher’s dominant side infraspinatus muscle thickness were not larger than non-dominant side, and almost same as non-exercise habits control. Shoulder rotate exercise makes infraspinatus EMG activity lager during baseball pitching movement in the former baseball players, and not in players on the active list.
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