| Budget Amount *help |
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2016: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2015: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2014: ¥3,510,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥810,000)
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| Outline of Final Research Achievements |
Hyperactivity or abnormal contractions of craniofacial muscles, e.g. bruxism, are traditionally linked to pain and unpleasantness in the active muscles. The aim of this study was to investigate the effects of different standardized craniofacial muscle contractions on perceived muscle symptoms. All muscle contraction tasks evoked significant increases scores of pain, unpleasantness, fatigue, and mental stress. The results showed that submaximal static contractions of different craniofacial muscle groups could evoke mild to moderate levels of transient symptoms. The fatigue resistance may differ between different muscle groups. Further studies are warranted to better understand the contribution of specific craniofacial muscle groups for the characteristic presentation of musculoskeletal pain conditions in the head.
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