八週不同模式有氧運動訓練對心肺耐力與安靜心率變異度的影響

Effects of Different Modes of 8-week Aerobic Exercise on Cardiorespiratory Endurance and Resting Heart Rate Variability

黃榮宗(Jung-Tsung Huang) ； 林貴福(Kuei-Fu Lin)

《文化體育學刊》 17輯 (2014/03) Pp. 1-11

https://doi.org/10.6634/JPSS-CCU.201403.17.01

摘要

目的：探討八週連續式或分段式有氧運動訓練介入對心肺耐力（cardiorespiratory）與安靜心率變異度（heart rate variability, HRV）的影響。方法：招募20名健康大學男生，隨機分派至連續式或分段式運動組，進行一週三次，每次30分鐘，為期八週的自選強度跑步運動訓練介入。觀察變項包括安靜心跳率、最大攝氧量及HRV變項，如平均正常心跳間期、正常心跳間期標準差、總功率、高頻功率、低頻功率及低高頻比等時域及頻域指標，所得資料以描述統計及混合設計二因子變異數分析處理。結果：（一）連續式運動組最大攝氧量前測平均為44.36 ± 6.85 ml/kg/min，後測平均為50.03 ± 5.29 ml/kg/min，分段式運動組最大攝氧量前測平均為42.66 ± 4.79 ml/kg/min，後測平均為45.23 ± 5.40 ml/kg/min，顯示訓練前後達顯著差異（F = 10.36, p ＜.05）。（三）不同有氧運動訓練模式對大學生的安靜心跳率、最大攝氧量、心率變異數之各項指標均未達顯著差異（p ＞.05）。結論：短時間、中等強度的分段式運動訓練與連續式運動訓練效果相同，皆可以改善大學生心肺耐力，但是無法改善大學生的心率變異度。

關鍵字

運動訓練介入 ； 交感神經 ； 副交感神經 ； 心臟調控功能

並列摘要

Purpose: nvestigating the effects of 8-week continuous or intermittent aerobic exercise on cardiorespiratory endurance and resting heart rate variability (HRV). Methods: Twenty healthy male college students were recruited. Participants were randomly assigned either to continuous group (CG) or intermittent group (IG), and then instructed to complete an 8-week program. Participants were asked to run 30 minutes at self-selected exercise intensity in each session, and 3 times a week. Observed variables included resting heart rate (HR), maximal oxygen uptake (VO_(2max)), and HRV indicators, such as mean R-R interval, standard deviation of all normal to normal Intervals (SDNN), total power (TP), high frequency power (HFP), low frequency power (LFP), and low/high frequency ratio (LFIHF). Collected data were analyzed by descriptive statistics and mixed design two-way ANOVA. Results: 1) The performance of VO_(2max) through 8-week aerobic exercise training, the CG were 44.36 ± 6.85 ml/kg/min for pre-test and 50.03 ± 5.29 ml/kg/min for post-test. IG were 42.66 ± 4.79 ml/kg/min for pre-test, 45.23 ± 5.40 ml/kg/min for post-test. Different modes of aerobic exercise training could significantly improve college students' VO_(2max) (F = 10.36, p ＜ .05). 2) Effects of different modes of aerobic exercise on college students' resting heart rate, maximal oxygen uptake or heart rate variability showed no significant difference (p ＞ .05). Conclusions: Short-term and moderate intensity aerobic intermittent exercise and continuous exercise improved the college students' cardiorespiratory endurance, but did not enhance the HRV.

並列關鍵字

exercise intervention ； sympathetic nervous system ； parasympathetic nervous system ； cardiovascular regulatory function

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