著者

峯村 恒平 渡邉 はるか 藤谷 哲 枝元 香菜子

出版者

一般社団法人 日本教育工学会

雑誌

日本教育工学会研究報告集 (ISSN:24363286)

巻号頁・発行日

vol.2022, no.4, pp.284-291, 2022-11-28 (Released:2022-11-28)

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OECD-ITP(初期教員準備教育)の議論のように,世界的に教員養成は「養成段階から初任者まで」という連続性の中で議論されるようになってきている.我が国でも,断続的な教員養成課程の改革,新卒者教員の採用増,一方で若手教員の不適応や早期離職が課題として指摘されるなど,それぞれに変化があり,それぞれに着目しただけでは対応しきれない状況が生じている.「学校から教職」というトランジション課題として捉え,連続性を踏まえた議論がまさに求められている.本研究では,上記の背景,問題意識を踏まえ,初任者教員を対象とした,着任後に感じた課題や,その中でどのように適応に至ったかという過程について,インタビュー調査を通じて明らかにした.具体的な困難や,適応の過程について論じながら,教員養成課程の課題や,初任者教員への研修・指導という視点に向けた展望についても合わせて論じる.

著者

堀 天 髙木 祐介 相川 悠貴 福地 かおり 吉川 明里 藤原 紗音 小木曽 洋介 下村 有佳里 家吉 彩夏 枝元 香菜子 関 和俊 堀田 典生

出版者

一般社団法人 日本体育・スポーツ・健康学会

雑誌

体育学研究 (ISSN:04846710)

巻号頁・発行日

vol.67, pp.761-773, 2022 (Released:2022-09-27)

参考文献数

44

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Sudden cardiac death is a common cause of death during hiking activities. Since the exaggerated blood pressure (BP) response to physical activity is known to increase the risk for the development of cardiovascular events, hiking might also induce an excessive BP response and such events. The purpose of this study was to investigate the effects of hiking at around 1,200 m on the circulatory responses to isometric handgrip (IHG) exercise. Five healthy women volunteered to hike and stay at Mt. Ibuki (altitude, 1,377 m; Shiga, Japan) for 2 consecutive days. On the first day, the participants ascended to 1,220 m (Hiking study), and on the second day, they drove to an altitude of 1,260 m where they remained for about 5.5 h (Staying study). The participants performed IHG exercise before (altitude, 220 m), during (altitude, 990 m), and after (altitude, 220 m) hiking in the Hiking study, and before driving (altitude, 160 m), after staying for 5 h (altitude, 1,260 m), and after driving back from an altitude of 1,260 m (altitude, 122 m) in the Staying study. The participants performed IHG exercise at 30% maximum voluntary contraction for 2 min after seated rest. We measured systolic and diastolic BP (SBP and DBP), and pulse rate during the test, and then calculated the double product (DP) from the product of the SBP and pulse rate. In the Hiking study, SBP and DP responses to IHG exercise during hiking were significantly augmented (P < 0.05). Importantly, these responses to IHG exercise during hiking were significantly higher than those before hiking (P < 0.05). On the other hand, in the Staying study, staying at an altitude of 1,260 m for about 5.5 h did not significantly change circulatory responses to IHG exercise. In conclusion, we demonstrated that SBP and DP during IHG exercise were significantly augmented during hiking at an elevation difference of about 1,000 m. This finding suggests that transient increases in BP due to physical activity, which might trigger cardiovascular events, could be enhanced during hiking at a moderate altitude.