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最終更新日：2024/04/01
松林 武生
マツバヤシ タケオ
(Takeo Matsubayashi)
論文
- タイトル
- タイトル（英）
- Short-Term Intermittent Hypoxic Resistance Training Does Not Impair Osteogenic Response in Sea Level Residents.
- 参照URL
- https://researchmap.jp/takeo_matsubayashi/published_papers/31636420
- 著者
- 著者（英）
- Akiko Honda,Michihiro Kon,Takeo Matsubayashi,Yasuhiro Suzuki
- 担当区分
- 概要
- 概要（英）
- Background: Osteogenic responses induced by training under hypoxia remain unclear. We aimed to investigate whether intermittent hypoxic resistance training affects osteogenic responses. Materials and Methods: Sixteen male participants underwent resistance training under normoxia (NRT; n = 7) or hypoxia (HRT; O2 = 14.4%, n = 9), twice a week for 8 weeks. The HRT group exercised and rested for 30 minutes under hypoxia, with total hypoxic exposure time in one session of ∼60 minutes. At pre- and postexperiment, bone mineral density (BMD) of the whole body and right proximal femur was measured. At the first and last training sessions, bone alkaline phosphatase (BAP), osteocalcin (OC), cross-linked N-telopeptide of type I collagen (NTx), type I collagen cross-linked C-telopeptide (ICTP), interleukin-6 (IL-6), and blood lactate (La) concentration were analyzed at rest and postexercise. Results: BMD did not change with training and hypoxia. Although BAP, OC, and ICTP levels at rest significantly increased with training (p < 0.01, 0.05, and 0.05, respectively), they did not change with hypoxia. NTx and IL-6 did not change. Additionally, changing patterns of bone markers and La induced by a single bout of exercise were similar among groups in both training sessions. Conclusions: Short-term resistance training enhanced overall bone metabolism, regardless of the oxygen level. Hypoxia has no effects on osteogenic responses.
- 出版者・発行元
- 出版者・発行元（英）
- 誌名
- 誌名（英）
- High Altitude Medicine & Biology
- 巻
- 21
- 号
- 2
- 開始ページ
- 160
- 終了ページ
- 166
- 出版年月
- 2020年6月
- 査読の有無
- 査読有り
- 招待の有無
- 掲載種別
- 研究論文（学術雑誌）
- ISSN
- DOI URL
- https://doi.org/10.1089/ham.2019.0089
- 共同研究・競争的資金等の研究課題