振動式動態熱身對大專乙組棒球員揮棒表現立即和延遲性之影響

The Acute and Delay Effect of Dynamic Warm-up with Vibration on Bat Swing Performance in College Division II Baseball Players

10.6634/JPSS-CCU.202110_(33).0007

李軾揚(Shih-Yang Lee)；陳竑文(Hung-Wen Chen)；潘旗學(Chi-Hsueh Pan)；彭賢德(Hsien-Te Peng)；郭育瑄(Yu-Hsuan Kuo)

打擊 ； 振動刺激 ； 肌力表現 ； 神經肌肉活化 ； Hit ； vibration stimulation ； strength performance ； neuromuscular activation

文化體育學刊

33輯（2021 / 10 / 01）

77 - 89

繁體中文

目的：探討振動式動態熱身對揮棒速度表現立即性和延遲性之影響。方法：招募9名大專男性乙組棒球員，以隨機交叉的方式，分別接受3種不同實驗處理：動態熱身（dynamic warm-up, DW）、振動式動態熱身（dynamic warm-up with vibration, VIB+DW）及控制處理（CON），各處理間至少間隔48小時。在實驗處理後，立即進行3次揮棒擊球測驗（第1階段），每次揮棒間休息20秒，並在10分鐘休息後，再次進行3次揮棒擊球測驗（第2階段），分析各階段揮棒速度峰值。測驗過程中，於安靜值、實驗處理後、第1階段測驗後、10分鐘休息後和第2階段測驗後，測量自覺運動強度（rate of perceived exertion, RPE）。結果：在DW後，揮棒速度峰值顯著高於CON（p = .027）。在RPE，DW於實驗處理後（p = .002）和第1階段測驗後（p = .040），均顯著高於CON。此外，VIB+DW則於實驗處理後和第1階段測驗後，顯著高於DW及CON（p ≤.001）。結論：1組×8分鐘的DW有助於提升乙組棒球員的揮棒速度峰值，而VIB+DW可能產生較高的運動強度，影響對隨後揮棒擊球之效益。

Objectives: This study aimed at exploring the effect of dynamic warm-up with vibration on bat swing performance in terms of immediateness and delay. Method: Nine college Division II male baseball players received three different experimental treatments in randomized crossover design. The three treatments were dynamic warm-up (DW), dynamic warm-up with vibration (VIB+DW), and control (CON), separated by at least 48 hours. After each experimental treatment, the participants performed a batting test in which they batted three times (phase 1) and took a 10-minute break before the second round of the batting test (phase 2). During the test, the rate of perceived exertion (RPE) scale was used to obtain data when the participants were at rest, after treatments, after phase 1, after the 10-minute break following phase 1, and after phase 2. In the subsequent data analysis, the peak bat speed at each phase was recorded. Results: After DW, a significantly higher peak bat speed value compared with the CON (p = .027). The RPE of DW were significantly higher than CON in time after treatment (p = .002), and phase 1 (p = .040). In addition, the RPE of VIB+DW were significantly higher than DW and CON after treatment and phase 1 (p ≤ .001). Conclusion: A set of 8-minute dynamic warm-up helped improve Division II baseball players' peak bat speed. The VIB+DW might result in greater exercise intensity and affect the players' subsequent exercise performance.

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