目的：本研究旨在探討划船選手在接受上肢或下肢缺血預處理 (ischemic preconditioning, IPC) 後，是否能促進2000公尺室內划船的運動表現。方法：共14名高中男性划船選手參與本研究 (年齡，17 ± 1歲；身高，174 ± 6公分；體重，66 ± 5公斤；2000公尺划船最佳成績，439 ± 15秒)，依隨機分派及平衡次序方式，分別進行三種實驗處理：UIPC (220 mmHg壓脈帶於雙上臂近端)、LIPC (220 mmHg壓脈帶於雙大腿近端)，以及SHAM (40 mmHg壓脈帶於雙大腿近端)；每種實驗處理共進行3循環的5分鐘缺血/5分鐘再灌流。實驗處理後50分鐘再進行2000公尺划船測功儀計時測驗。結果：2000公尺划船測驗的完成時間，在三種實驗處理之間無顯著差異 (UIPC vs. LIPC vs. SHAM, 445 ± 14秒 vs. 447 ± 16秒 vs. 448 ± 11秒, F = 1.002, p > .05)。每500公尺分段的平均功率方面，三種實驗處理之間亦無顯著差異。不同的實驗處理，亦不影響划船測驗結束時的血乳酸、最大心率，及運動自覺強度。以近紅外線光譜儀分析，發現LIPC會顯著增加休息前20分鐘股四頭肌的血流量 (LIPC vs. SHAM, p < .05)，然而，划船時的肌肉氧飽合度及血流量，均不受實驗處理影響。結論：LIPC可增加安靜休息時的肌肉血流量，然而，無論是上肢或下肢IPC，均無法改善2000公尺室內划船之運動表現。

Purpose: To investigate the effect of upper limb and lower limb ischemic preconditioning (IPC) on 2000-m indoor rowing performance. Methods: Fourteen senior high school male rowers were recruited (age, 17 ± 1 years；body height，174 ± 6 cm；body weight，66 ± 5 kg；best 2000-m indoor rowing record, 439 ± 15 s). In a randomized and counterbalanced design, participants received 3 treatments, the upper limbs IPC (UIPC, 220 mmHg cuff over proximal arms), the lower limbs IPC (LIPC, 220 mmHg cuff over proximal thighs), and SHAM treatment (40 mmHg cuff over proximal thighs). After three cycles of 5-min ischemia and 5-min reperfusion, participants rested for 50 minutes, followed by 2000-m rowing ergometer time trial. Results: There was no significant difference among the 3 treatments on 2000-m rowing time (UIPC vs. LIPC vs. SHAM, 445 ± 14 vs. 447 ± 16 vs. 448 ± 11 s, F = 1.002, p > .05). The average power output of each 500-m was also not significantly different among treatments. The serum lactate concentration, maximal heart rate and rating of perceived exertion after rowing were not affected by different treatments. LIPC significantly increased the blood flow of vastus lateralis muscle during the first 20 min of resting phase (LIPC vs. SHAM, p < .05), as measured by near-infrared spectroscopy. However, the tissue saturation index and blood flow during rowing were not significantly different among treatments. Conclusion: LIPC could increase muscular blood flow at rest, however, neither upper nor lower limbs IPC has ergogenic effect on 2000-m rowing performance.

中文摘要 i
英文摘要 ii
誌謝 iii
目錄 iv
表次 vi
圖次 vi
第壹章 緒論 1
第一節 前言 1
第二節 研究目的 3
第三節 研究假設 3
第四節 研究重要性 3
第五節 研究範圍與限制 4
第六節 名詞操作性定義 4
第貳章 文獻回顧 6
第一節 缺血預處理簡介 6
第二節 缺血預處理對於運動表現的影響 8
第三節 缺血預處理對血乳酸、運動自覺強度量表的影響及不良反應 12
第四節 缺血預處理對肌肉氧飽合度的影響 13
第五節 本章總結 14
第參章 研究方法 15
第一節 受試對象 15
第二節 實驗時間與地點 15
第三節 研究設計 15
第四節 實驗流程 17
第五節 研究工具 21
第六節 資料處理與分析 22
第七節 統計分析 23
第肆章 結果 24
第一節 受試者基本資料 24
第二節 2000公尺內室內划船計時測驗及生理指標 25
第三節 自覺感受 28
第四節 肌肉氧飽合度與血流量 30
第伍章 討論 36
第一節 不同部位缺血預處理對2000公尺划船計時測驗之影響 36
第二節 不同部位缺血預處理對生理指標及自覺感受之影響 39
第三節 不同部位缺血預處理對肌肉氧飽和度及血流量之影響 40
第四節 結論與建議 42
引用文獻 43
附錄一 受試者同意書 50

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