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Effects of downhill running incorporated into long-term endurance training on skeletal muscle fiber-type switching and fatigue resistance
http://hdl.handle.net/10424/6744
http://hdl.handle.net/10424/6744aa2ecd2c-142c-4b03-9007-e4db1094ed09
| 名前 / ファイル | ライセンス | アクション |
|---|---|---|
kasugan015.pdf (20.8 MB)
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| Item type | 学術雑誌論文 / Journal Article(1) | |||||
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| 公開日 | 2016-09-21 | |||||
| タイトル | ||||||
| タイトル | Effects of downhill running incorporated into long-term endurance training on skeletal muscle fiber-type switching and fatigue resistance | |||||
| 言語 | en | |||||
| 言語 | ||||||
| 言語 | eng | |||||
| キーワード | ||||||
| 主題Scheme | Other | |||||
| 主題 | eccentric exercise | |||||
| キーワード | ||||||
| 主題Scheme | Other | |||||
| 主題 | endurance training | |||||
| キーワード | ||||||
| 主題Scheme | Other | |||||
| 主題 | skeletal muscle | |||||
| 資源タイプ | ||||||
| 資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
| 資源タイプ | journal article | |||||
| 著者 |
Kasuga, Norikatsu
× Kasuga, Norikatsu× Takemori, Shigeru |
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| 研究者総覧へのリンク | ||||||
| 表示名 | Kasuga, Norikatsu | |||||
| URL | http://souran.aichi-edu.ac.jp/souran/profile.do?id=42JOT20W&lng=ja | |||||
| 著者(別言語) | ||||||
| 値 | 春日, 規克 | |||||
| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | The effects of the intermittent incorporation of high-intensity downhill running sessions into long-term endurance training were assessed by examination of the plantaris muscle of rats. First, the intrinsic effects of a single session were evaluated in otherwise sedentary rats. The experimental group showed histological injuries in 2-3 days after the session. In addition, compared with the sedentary control, the experimental group showed a sevenfold increase in the fraction of type IIc fibers, and deceases of 74 and 88% in tetanic force evoked indirectly and directly, respectively, by electric stimulation. The injured muscle fibers showed regeneration within 21 days as evidenced by centrally located nuclei. Next, the effects of intermittently incorporated downhill-running sessions into a 9-week endurance training regimen were tested using two experimental groups: Training and Training + Downhill. On the first day of the 1st, 3rd, 5th, and 7th weeks of the training period, the rats in the Training + Downhill group experienced downhill-running sessions. After the endurance training period, the plantaris muscle of the two experimental groups demonstrated higher fatigue resistance with an increase in the type IIa fiber fraction, at an expense of the type IIb fiber fraction. Compared with the Training group, the Training + Downhill group had a higher type IIa fiber fraction, with clusters of 70-100 type IIa fibers. These results indicate that intermittent high-intensity sessions promote the fiber type transition induced by daily endurance training. However, the potentially adverse effect of fiber type cluster formation suggests that there is an optimum intensity and frequency of the high-intensity exercise sessions for better enhancing the effects of long-term endurance training. | |||||
| 書誌事項 |
The journal of physical fitness and sports medicine : JPFSM 巻 3, 号 3, p. 353-362, 発行日 2014-07-26 |
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| 出版者 | ||||||
| 出版者 | 日本体力医学会 | |||||
| ISSN | ||||||
| 収録物識別子タイプ | ISSN | |||||
| 収録物識別子 | 2186-8131 | |||||
| 書誌情報 | ||||||
| 値 | The journal of physical fitness and sports medicine : JPFSM. 2014, 3(3), p.353-362. | |||||
| 書誌レコードID | ||||||
| 収録物識別子タイプ | NCID | |||||
| 収録物識別子 | AA12573156 | |||||
| 権利 | ||||||
| 権利情報 | Copyright: 2014 日本体力医学会 本著作物は著作権者である日本体力医学会の許可のもとに掲載するものです。ご利用に当たっては ”著作権法”に従うことをお願いいたします。 | |||||
| 著者版フラグ | ||||||
| 出版タイプ | VoR | |||||
| 出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
| 関係URI | ||||||
| 識別子タイプ | DOI | |||||
| 関連識別子 | http://doi.org/10.7600/jpfsm.3.353 | |||||
| 関連名称 | http://doi.org/10.7600/jpfsm.3.353 | |||||
| DOI | ||||||
| 関連タイプ | isIdenticalTo | |||||
| 識別子タイプ | DOI | |||||
| 関連識別子 | info:doi/10.7600/jpfsm.3.353 | |||||
| 著者別名 | ||||||
| 値 | カスガ, ノリカツ | |||||
| 著者別名 | ||||||
| 値 | タケモリ, シゲル | |||||
| 資源タイプ | ||||||
| 内容記述タイプ | Other | |||||
| 内容記述 | text | |||||
