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https://doi.org/10.24546/00421804
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2024-03-29
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00421804 (fulltext)
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00421804
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open access
出版タイプ
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タイトル
Effets of stretch on muscle regeneration in the damaged mouse soleus muscle after eccectric exercise
著者
著者名
Matsubara, Takao
松原, 貴子
マツバラ, タカコ
所属機関名
神戸大学医学部保健学科
著者名
Miki, Akinori
三木, 明徳
ミキ, アキノリ
所属機関名
神戸大学大学院医学系研究科保健学専攻
収録物名
Bulletin of health sciences Kobe
巻(号)
21
ページ
1-11
出版者
Graduate School of Health Sciences, Kobe University
刊行日
2006-03-30
公開日
2007-07-02
注記
本文ファイルは、国立情報学研究所CiNiiより提供されたものです。
抄録
In the present study, effects of stretch on muscle regeneration were morphologically examined in the soleus muscle injured by downhill running (eccentric exercise). In this study, 133 adult male ddY mice were divided into control (C: n=39), running (R: n=47) and stretch after running (RS: n=47) groups, and at 12hrs, 1, 2, 3, 5, 7 and 14 days after the running, these animals were sacrificed. To investigate sarcolemmal permeability, Evens blue dye (EBD) was beforehand injected into the peritoneal cavity of some mice. In the R group, area of muscle fibers was larger by 1 day after the running, and recovered to the control level after 5 days. In contrast, in the RS group, the area was smaller by 1 day and recovered to the control level by 2 days. After the running, narrow basophilic sarcoplasms appeared along the margin of the muscle fibers. Electron microscopically, these areas contained several mitochondria and ribosomes, suggesting that these morphological changes are regenerative rather than degenerative events. These areas began to appear earlier and muscle regeneration completed earlier in the RS group than the R group. Our findings suggested that stretch soon after the exercise can reduce delayed onset muscle soreness (DOMS), and promote muscle regeneration after the muscle injury.
キーワード
stretch
muscle damage
muscle regeneration
eccentric exercise
DOMS
カテゴリ
Bulletin of health sciences Kobe
>
21号(2006-03-30)
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資源タイプ
departmental bulletin paper
言語
English (英語)
ISSN
1346-8707
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NCID
AA11316362
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関連情報
NAID
110005859380
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