Mechanisms and significance of delayed onset muscle soreness
| Project/Area Number |
14580049
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
体育学
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| Research Institution | Yokohama City University |
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Principal Investigator |
NOSAKA Kazunori Yokohama City University, Graduate School of Integrated Science, Associate Professor (00175522)
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| Project Period (FY) |
2002 – 2003
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| Project Status |
Completed (Fiscal Year 2003)
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| Budget Amount *help |
¥3,500,000 (Direct Cost: ¥3,500,000)
Fiscal Year 2003: ¥1,300,000 (Direct Cost: ¥1,300,000)
Fiscal Year 2002: ¥2,200,000 (Direct Cost: ¥2,200,000)
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| Keywords | muscle soreness / muscle damage / eccentric exercise / ageing / prophylactic modality / therapeutic modality / analgesic effect / muscle function / 遅発性筋肉痛 / 伸張性運動 / 運動強度 / 伸張性筋活動 / 筋力 / 関節可動域 / 血漿CK活性値 / MRI / 上腕屈筋群 |
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| Research Abstract |
Exercise consisting of predominantly eccentric (lengthening) muscle actions induces delayed onset muscle soreness (DOMS), especially if the exercise is unfamiliar. It is no doubt that DOMS is one of the symptoms of eccentric exercise-induced muscle damage, however, DOMS does not necessarily indicate muscle damage. This study has clarified that the level of DOMS does not reflect the extent of muscle damage, and the time course of DOMS does not correspond to the time course of changes in other indicators of muscle damage. In this context, it is necessary to separate DOMS from other symptoms of eccentric exercise-induced muscle damage. This is especially important for investigating prophylactic or therapeutic modalities. It may be that some interventions are effective only for alleviating DOMS, but others enhance recovery of muscle function without affecting DOMS. Thus, when a treatment is found to alleviate DOMS without any effects on recovery of muscle function, the treatment is still e
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ffective if DOMS is the main concern. Although many therapeutic modalities have been tested their effects on DOMS, it appears that no single treatment has been shown to be very effective for attenuating DOMS, although some modalities such as massage and exercise have been shown to have some analgesic effects. It is clearly shown in this study together with previous studies that muscles performed eccentric exercise become less susceptible to DOMS for several weeks. It is anecdotally reported that muscle soreness is much more delayed with ageing. However, the present study found that this is not necessarily true. An interesting statement was made by an old subject in the present study, who showed the largest changes in muscle strength, upper arm circumference, and plasma CK activity, that "the muscles were sore, but the pain was like nothing compared to the pain I experienced following an operation a long time ago." This could explain the lower DOMS score of the old group compared to the young. Based on the results obtained from this study and literature review, a booklet entitled "Story of Muscle Soreness" (in Japanese) has been made to let people know more about the facts of DOMS. Less
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Report
(3 results)
Research Products
(29 results)
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[Journal Article] Changes in inflammatory mediators following eccentric exercise of the elbow flexors2004
Author(s)
Hirose,L., Nosaka,K., Newton,M, Lavender,A., Kano,M., Peake,J., Suzuki,K.
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Journal Title
Exercise Immunology Review 10
Pages: 75-90
Description
「研究成果報告書概要(和文)」より
Related Report
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[Journal Article] Changes in inflammatory mediators following eccentric exercise of the elbow flexors2004
Author(s)
Hirose, L., Nosaka, K., Newton, M., Lavender, A., Kano, M., Peake, J., Suzuki, K.
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Journal Title
Exercise Immunology Review 10
Pages: 75-90
Description
「研究成果報告書概要(欧文)」より
Related Report
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[Book] 筋肉痛のはなし2004
Author(s)
野坂和則
Total Pages
20
Publisher
トレーニング科学研究会
Description
「研究成果報告書概要(和文)」より
Related Report
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