文化大學機構典藏 CCUR:Item 987654321/40806
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    題名: 中強度運動前增補支鏈胺基酸對白血球亞群的影響
    The Effect of Branched-Chain Amino Acid Supplement before Moderate Exercise on Leukocyte Subset
    作者: 陳香吟
    林正常
    貢獻者: 運教所
    關鍵詞: 總白血球
    吞噬細胞
    淋巴球
    Total leukocyte
    Phagocyte
    Lymphocyte
    日期: 2011-06
    上傳時間: 2018-10-19 14:50:32 (UTC+8)
    摘要: Purpose: The purpose of this study was to examine the effect of branched-chain amino acid (BCAA) supplementation on leukocyte subset before single bout of moderate exercise. Methods: Twelve healthy active college students participated in a double-blinded crossover study. The subjects ingested either 92 mg/kg BW of BCAA (BCAA) or placebo (PLA) capsules 60 minutes before exercise respectively. They exercised at 60% VO2 max on cycle ergometer for 30 minutes. Blood samples were collected prior to supplementation, immediately prior to exercise, and 0, 15, 60 minutes after cycling (P0, P15, P60) for analysis of leukocyte subset counts and their classified percentage. The data were analyzed by two-way ANOVA with repeated measures and significance was accepted at α=.05. Results: No interactions between treatment and timing were found. Significant main effect was found for timing on total leukocyte, phagocyte and lymphocyte counts. At P0, there were significant increases (p＜.05) above preexercise values in total leukocyte (52%), phagocyte (41%) and lymphocyte (76%) counts. At P60, total leukocyte and phagocyte counts were still above preexercise values, but lymphocyte counts were significantly lower (-9%) than preexercise values. Significant main effect was found for timing on phagocyte and lymphocyte percentage. At P60, phagocyte percentage was significantly greater than prexercise value, but lymphocyte percentage changed inversely. There was no significant difference between BCAA and PLA treatment on leukocyte subset counts. Conclusion: These results indicate that BCAA supplementation has no effect on changes of leukocyte subset counts after single bout of exercise (30 minutes 60% VO2 max) which is according to American College of Sports Medicine's exercise prescription. Further, we need to reevaluate the effect of BCAA supplementation before similar exercise which is performed 3-5 days a week.
    關聯: 運動教練科學 22 2011.06[民100.06] 頁29-46
    顯示於類別:[運動教練研究所] 期刊論文

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