長期從事外丹功運動對能量消耗和心率變異之影響
摘 要
本研究目的在探討長期從事外丹功運動對人體心跳率、能量消耗、攝氧量、換氣量、心率變異及血壓變化的影響。本研究招募32名自願參與本實驗的健康中老年人為受試對象，並依其運動年齡分成長期組（10年以上）及初學組（1年以下）兩組。長期組：16人，平均年齡為65±4.2歲、身高為163.3±7.3cm、體重為63.3±7.3kg；初學組：16人，平均年齡為59±3.7歲、身高為162±3.9cm、體重為65.7±3.6kg。本實驗結果發現，長期組與初學組在安靜收縮壓、運動中心跳率、能量消耗、換氣量、換氣量最大值、高頻功率及低頻功率/高頻功率等方面均達顯著差異（p＜.05）；此研究結果顯示長期從事外丹功運動者，在安靜的血壓及心跳率皆較初學組為低；另外，長期從事外丹功運動組在進行運動時能達到較高的運動強度，因此，在運動中心跳率、攝氧量及換氣量的提升有助於能量的代謝；此外，在高頻功率方面較高，則代表運動中副交感神經驅策增加，進而對冠狀動脈疾病有預防及保護心臟的效果。
關鍵詞：攝氧量、換氣量、心跳率、心率變異、外丹功

The Effect of Wai Tan Kung Exercise on
Energy Expenditure And Heart Rate Variability
Graduate student: Cheng-Kun Wu
Advisor: Cheng-Chung Lin ,Ph.D.
Abstract
The purpose of the present study was to investigate the effect of long-term Wai Tan Kung exercise on heart rate (HR), energy expenditure, oxygen uptake (VO2), ventilation (VE), heart rate variability and blood pressure. Two different groups of older adults were recruited. One group subjects (n =16; 65.0 ± 4.2 yrs, 163.3 ± 7.3 cm, 63.3 ± 7.3 kg) had been participated at least 10 years of regular Wai Tan Kung exercise (long-term group, LTG), and the other (n = 16; 59.0 ± 3.7 yrs, 162.0 ± 3.9 cm, 65.7 ± 3.6 kg) had been participated as same exercise as LTG but less than one year (short-term group, STG). The results of this study showed that there were significant differences (p < .05) in rest systolic pressure, and HR, energy expenditure, VO2, VE, high frequency power (HFP) and low frequency power (LFP) during exercise between LTG and STG (p < .05). LTG subjects had a significant lower in rest heart rate and blood pressure (p < .05) than STG subjects, and the former also reached higher (p < .05) exercise intensities during exercise testing than the latter. Moreover, there were significant higher heart rate, VO2 and VE during exercise testing for LTG than STG, suggesting that LTG subjects had higher metabolic rate. Additionally, LTG had a higher HFP than STG, suggesting that there was a significant increase in parasympathetic division of autonomic nervous activity during exercise testing for LTG than STG, indicating LTG subjects may prevent from coronary artery disease and improve functions of the heart. It is concluded that older adults participate in regular long-term of Wai Tan Kung exercise have a positive effect on their cardiovascular fitness. Therefore, such kind of exercise may especially fit for older adults.
Key words: oxygen uptake (VO2), ventilation (VE), heart rate, heart rate variability, Wai Tan Kung exercise.

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