臺灣博碩士論文加值系統

本研究目的主要在於探討禁食與不同運動強度對脂肪代謝的影響，以國立台南大學體育學系學生十二位為研究對象。年齡19.9 ± 1.4歲；身高175 ± 3.1公分；體重70.1 ± 7.6公斤；最大攝氧量50.33 ± 4.0 ml/kg/min。採平衡次序法，受試者在禁食（6小時）與非禁食狀態下，以45﹪VO2max運動強度在跑步機上跑20分鐘，接著再以65﹪VO2max運動強度跑20分鐘，最後以85﹪VO2max強度跑20分鐘（或至衰竭）。在過程中紀錄呼吸交換率、血糖值、血三酸甘油酯、血乳酸值。以重複量數單因子變異數檢定，分析禁食與非禁食狀態下，各種不同運動強度之生理變項；以成對樣本t檢定，檢定不同運動強度下，禁食與非禁食之各生理變項。結果如下：
1、非禁食狀態下， 45％VO2 max、65％VO2 max及85％VO2 max的運動強度對血糖濃度、三酸甘油酯濃度並沒有顯著影響。
2、非禁食狀態下， 85％VO2 max運動強度對呼吸交換率、血乳酸影響最高，65％VO2 max對呼吸交換率、血乳酸影響次之，45％VO2 max對呼吸交換率、血乳酸影響最低。顯示非禁食狀態下，運動強度越高，血乳酸濃度越高，呼吸交換率越趨近於1.0，能量來源也從脂肪轉變為醣類。
3、6小時禁食狀態下， 85％VO2 max運動強度對血糖、血三酸甘油酯濃度影響最高，65％VO2 max對血糖、血三酸甘油酯濃度影響次之。顯示6小時禁食狀態下，運動強度越高，血三酸甘油酯濃度、血糖濃度越高，能量來源也從脂肪轉變為醣類。
4、6小時禁食狀態下， 85％VO2 max運動強度對呼吸交換率、血乳酸影響最高，65％VO2 max對呼吸交換率、血乳酸影響次之，45％VO2 max對呼吸交換率、血乳酸影響最低。顯示6小時禁食狀態下，運動強度越高，血乳酸濃度越高，呼吸交換率越趨近於1.0，能量來源也從脂肪轉變為醣類。
5、45％VO2 max與65％VO2 max運動強度時，禁食狀態的呼吸交換率、血三酸甘油酯濃度較非禁食狀態低。顯示6小時禁食狀態下，45％VO2 max與65％VO2 max的運動能量來源會較趨向於脂肪。
6、85％VO2 max運動強度時，禁食狀態的血糖濃度高於非禁食狀態。顯示6小時禁食狀態下，組織會釋放較多的血糖以供應組織利用。因此，禁食狀態下，採用45％VO2 max與65％VO2 max的運動強度對脂肪的代謝效果較顯著。85％VO2 max的運動強度，會導致血糖濃度與乳酸濃度增加，因而脂肪代謝的效果減少。
本研究建議，一般民眾運動時，若要增加脂肪代謝，可選擇禁食6小時後再從事低、中強度的運動會較好。

The purpose of this study was to investigate the effect of fast and difference exercise intensity on lipid metabolism. Twelve male physical education students（Age 19.9 ± 1.4 years; Height 175 ±3.1 cm; Weight 70.1 ± 7.6 kg; VO2max 50.33±4.0 ml/kg/min）participated. Using counter-balanced design, every participant ran on the treadmill at 45% and 65% VO2max continuously for each different intensity, followed by a 85% VO2max running for 20 minutes (or exhaustion) under fed or fast stated (6 hours). Respiratory exchange ratio (RER), blood glucose (BGLU), blood lactate (BLA), and blood triglyceride (TG) were taken during exercising. One-way-ANOVA was used to analyze the deference on physiological variables between fed and fasted state of difference exercise intensity. Pair-t analysis was used to determine the deference on physiological variables between fed and fasted state. Result is as follows:
1. In fed state, different intensities had no significant influence to the BGLU and TG.
2. In fed state, the influence on RER and BLA from highest to lowest were 85％VO2max, 65％VO2max, and 45％VO2max. It showed that the higher the intensity, the higher concentration of LA and the more energy source converted from fat to glucose.
3. In 6-hour fasted state, the influence on BGLU and TG from highest to lowest were 85％VO2max, 65％VO2max, and 45％VO2max. It showed that the higher the intensity, the higher concentration of BGLU and TG and the more energy source converted from fat to glucose.
4. In 6-hour fasted state, the influence on RER and BLA from highest to lowest were 85％VO2max, 65％VO2max, and 45％VO2max. It showed that the higher the intensity, the higher BLA concentration, RER was bordering to 1.0 and the more energy source converted from fat to glucose.
5. At the intensities of 45％VO2max and 65％VO2max, the RER and concentration of TG were both lower in fasted than in fed state. It showed that the energy resource came from higher percentage of fat at 45％VO2 max and 65％VO2 max.
6. At 85％VO2max running, BGLU concentration was higher in fasted than in fed state. It indicated that the tissues had been releasing more BGLU for the energy source in fasted state.
Therefore, in fasted state, 45％and 65％VO2max running had significant influence on lipid metabolism. Because of higher BGLU and BLA concentration at 85％VO2max running, it was believed no obvious influence on lipid metabolism. This study suggests that medium and low exercise intensity is required for increasing lipid metabolism for ordinary people.

中文摘要 …………………………………………………………… i
英文摘要 …………………………………………………………… ii
（誌謝） …………………………………………………………… iii
目 次 …………………………………………………………… iv
表 次 …………………………………………………………… vi
圖 次 …………………………………………………………… viii
第壹章 緒 論…………………………………………………… 1
第一節 研究動機…………………………………………………… 1
第二節 研究目的…………………………………………………… 3
第三節 研究範圍與限制…………………………………………… 3
第四節 名詞操作性定義…………………………………………… 3
第貳章 文獻探討…………………………………………………… 4
第一節 影響運動中脂肪代謝之相關因素………………………… 4
第二節 禁食對運動時脂肪代謝的影響…………………………… 7
第三節 不同運動強度對脂肪代謝的影響………………………… 9
第四節 本章總結………………………………………………… 13
第參章 實驗方法與步驟………………………………………… 14
第一節 研究對象………………………………………………… 14
第二節 實驗流程與方法………………………………………… 14
第三節 研究架構………………………………………………… 19
第四節 研究時間與地點………………………………………… 20
第五節 實驗變項………………………………………………… 20
第六節 研究工具………………………………………………… 20
第七節 資料分析與處理………………………………………… 21
第肆章 結果與討論……………………………………………… 22
第一節 結果……………………………………………………… 22
第二節 討論……………………………………………………… 39
第伍章 結論與建議……………………………………………… 46
第一節 結論……………………………………………………… 46
第二節 建議……………………………………………………… 47
參考文獻 …………………………………………………………… 48
中文文獻………………………………………………… 48
英文文獻………………………………………………… 49
附錄 …………………………………………………………… 53
附錄一 受試者須知……………………………………………… 53
附錄二 健康情況調查表………………………………………… 54附錄三 受試者同意書…………………………………………… 56

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