自律神經的調控功能可由心率變異度來反應，並藉由持續運動來改善或調節，而徒手阻力循環訓練對於自律神經調控的影響需要進一步驗證，提供簡易且有效的運動類型，以助於改善自律神經的調控及降低心臟猝死的機會，將會是值得研究發展的議題。目的：本研究擬探討徒手阻力循環訓練前後對國小高年級學童安靜心率變異度的影響。方法：招募國小高年級學童男、女各32人，隨機分配至實驗組及控制組，完成前測之後，實驗組介入為期8週的運動訓練，每週2次，每次以10-15分鐘為原則，控制組維持正常生活型態，最後再同時進行後測及統計資料分析。結果：各項心率變異度的指標均無差異，僅有低高頻比有明顯改變（男生前後測：t=-3.55, p＜.05；女生前後測：t=2.25, p＜.05），但在各個組別間並無差異存在。結論：無論是否實施徒手阻力循環訓練，似乎對於心臟的調控功能並無作用。

The function of the autonomic nerve regulation system could be reflected by the heart rate variability and it could be improved or adjusted by continuously exercising. However, the impact of the body weight circuit resistance training on the regulation of the autonomic nerve system effect needs further verification. Providing a simple and effective type of exercise, helping improve the regulation of the autonomic nerve system and reducing the chance of sudden death heart diseases will be a worthy research issue. The purpose of the current study was to explore the effects on conducting the body weight circuit resistance training on fifth and sixth grade elementary school students and seeing the impact on the students’ heart rate variability. Method: Recruited 32 male and 32 female fifth and sixth grade elementary school students. The 64 students were randomly assigned into the experimental group and the control group. After completing the pre-test, the experimental groups were accepted exercise training twice a week; the total duration is eight weeks and each time last 10-15 minutes. Conversely, the control group maintained a normal lifestyle. Finally, post-test and statistical methods of data analysis are conducted. Results: There was no difference in the index of heart rate variability, only low and high frequency ratio was significantly changed (male pretest and posttest: t=-3.55, p<.05; female pretest and posttest: t=2.25, p<.05), however, there are no differences between each group. Conclusions: Whether the unarmed resistance circuit training be implemented or not, there is no impact on the regulation function of cardiac.

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