本研究的目的在了解直排輪環島運動對肝功能指數之影響。實驗召募8名健康男性（平均年齡：20.29 ± 1.11歲，直排輪溜齡：9.71 ± 1.25年，最大攝氧量：51.93 ± 9.17 ml．min-1．kg-1）為研究對象。所有受試者進行連續七天的直排輪環島運動（全程953公里），並於第一天出發前、第一天結束後、第七天出發前、第七天結束後、環島結束後36小時、結束後10天等6個時間點進行採血，以了解麩草酸轉胺酶（AST）與麩丙酮酸轉胺酶（ALT）的變化情形及相關性。所得數據，以重複量數單因子變異數及皮爾遜積差相關進行分析。結果發現：（1）環島結束後，AST與ALT都明顯上升，AST直到環島結束後十天才回復至安靜值，而ALT則仍維持明顯增加的現象（p< .05）。（2）AST/ALT比值變化上在環島結束後十天明顯低於正常值範圍（p< .05）。（3）直排輪環島運動前後，AST與ALT彼此間呈顯著正相關（r=0.51；p< .05）。結論：直排輪環島運動多少會對身體機能造成負擔，因此，在運動過程中持續時間、休息時間與營養補給等應加以規劃，以減少對身體產生負面的影響。

關鍵詞：直排輪環島運動、肝功能指數、麩草酸轉胺酶、麩丙酮酸轉胺酶

Purpose: The purpose of this study was to examine the effects of In-line skating around the island on the index of liver function. Method: Eight university male students (average age: 20.29 ± 1.11 years, experience of in-line skating: 9.71 ± 1.25 years, maximum oxygen intake: 51.93 ± 9.17 ml．min-1．kg-1) were recruited as the subjects for this study. All subjects finished the in-line skating around the island (total of 953 kilometers). The blood samples were collected at the 1st before exercise around the island (T1), the 1st after exercise around the island (T2), 7th day before exercise around the island (T3), 7th day after exercise around the island (T4), 36 hours after journey (T5), and 10 days after journey (T6). The concentration of aspartate aminotransferase (AST) and alanine aminotransferase (ALT) vere measured. The datas were analyzed by repeated one-way ANOVA and Pearson product moment correlation. Resuts: 1)The concentration of AST was significantly higher at T4 until T5 than T1, and ALT was significantly higher (p< .05) at T4 until T6 than T1. 2) The ratio of AST/ALT was significantly lower at T5 until T6 than T1, and the ratio of AST/ALT at T6 was significantly lower than normal range. 3) The concentration of AST and ALT was singnifcant positive correlation (p< .05). Conclusion: After in-line skating around island, it sharpened the workload in our bodies. It’s important to distribute the time between motion and rest for health care during the in-line skating around insland.

Keywords: In-line skating around the island, Liver function index, AST, ALT

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