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    题名: 等慣性阻力熱身對高中男子橄欖球運動員下肢爆發力之影響
    Effects of the Iso-inertial Resistance Warm-Up on the Lower Limb Power in Senior High School Male Rugby Athletes
    作者: 鄔厔穓
    贡献者: 體育學系運動教練碩博士班
    关键词: 垂直跳
    活化後增益
    伸展收縮循環
    vertical jump
    post-activation potentiation
    stretch-shortening cycle
    日期: 2022
    上传时间: 2023-02-22 14:01:56 (UTC+8)
    摘要: 背景：等慣性阻力訓練 (iso-inertial resistance training, IR) 是一種利用離心飛輪 (eccentric flywheel, EF) 讓肌肉產生力量對抗轉動慣量，促使訓練達到離心超負荷 (eccentric overload, EO)。然而，目前國內外針對IR作為熱身方式的研究仍不足。目的：本研究旨在探討等慣性阻力 (IR) 熱身對高中橄欖球運動員下肢爆發力之影響。方法：招募12名 (年齡：16.42 ± 0.67歲) 男子高中橄欖球代表隊選手為研究對象；實驗前分別進行最大肌力與三項垂直跳測驗：蹲踞跳 (squat jump, SJ)、擺臂垂直跳 (countermovement jump with arm swing, CMJ) 與落地反跳 (drop jump, DJ)，之後利用Exxentric KBOX4搭配Vmaxpro速度功率器進行一組3個反覆次數，強度相對約90% 1RM向心速率之IR背蹲舉熱身；介入後分別於組間休息3、6、9、12分鐘檢測SJ、CMJ與DJ表現。顯著差異水準訂為α = .05。結果：SJ跳躍高度在IR熱身介入後休息3分鐘顯著高於9分鐘 (F = 5.42, p = .004)；然而，CMJ與DJ在跳躍高度及反應肌力指數皆未達統計學上顯著差異。結論：IR熱身僅能有效提升SJ跳躍表現。建議未來研究可調整IR誘發動作、強度及恢復時間，以利作為賽前熱身策略。
    Background: The iso-inertial resistance training (IR) induced by eccentric flywheel (EF) allows muscles to generate force against the inertia and reach eccentric overload (EO) in training. At present, it remains ambiguous to utilize flywheel as a warm-up strategy. Purpose: This study aimed to investigate the effects of the IR warm-up on the lower limb power in senior high school male rugby athletes. Methods: Twelve male senior high school athletes were recruited to participate and accept the maximal strength and vertical jump: squat jump (SJ), countermovement jump with arm swing (CMJ), and drop jump (DJ) before the test. Meanwhile, after 3-repetition maximal back squat with iso-inertial resistance application, Exxentric KBOX4 adopted about 90% 1RM concentric velocity via the Vmaxpro device. SJ, CMJ, and DJ post-tests were performed 3, 6, 9, and 12 minutes after IR intervention. The significant difference was set at α = .05. Results: SJ performance in post-3 minutes was significantly higher than post-9 minutes (F = 5.42, p = .004). Neither jump height nor reactive strength index reached a significant difference. Conclusion: Iso-inertial resistance training warm-up can effectively improve jumping ability. It is suggested that the future study adjust the intensity of IR or recovery period for the warm-up strategy.
    显示于类别:[運動教練研究所] 博碩士論文

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