本研究利用NI LabVIEW 和NI ELVIS II 結合心率、血壓、心電圖以及呼吸等醫學量測模組,透過所設計的健身腳踏車運動生理實驗,擷取受測者在休息、三種不同運動強度下及恢復過程中的人體動態生理訊號。研究旨在探討受測者在三種不同運動強度階段下,心肺訊號的反應狀態與恢復能力,並評估心肺適能(800/1600 公尺成績)前20%(5 名)與後20%受測者(9 名)心肺訊號與心肺耐力之間的差異。本研究所使用的參數為心率、潮氣容積、呼吸頻率、平均動脈壓、心電訊號RR 區間的標準差(SDNN)以及RR 區間之間的差值平方和均方根(RMSSD),並利用這些訊號計算出運動後恢復期間的變化情況與恢復情況。最後以Mann-Whitney U test 統計分析方法,評估心肺適能前20%和後20%受測者心肺訊號與心肺耐力之間的差異。前20%與後20%受測者相比:(1) 潮氣容積的恢復情況較低(p>.05)和變化情況較高(p>.05);(2) 呼吸頻率的恢復情況則無法觀察出其趨勢(p>.05)和變化情況較低(p>.05);(3) 心率的恢復情況較高(p<.05)和變化情況較低(p<.05);(4) SDNN 較高(p<.05)和RMSSD 較高(p<.05);(5) 平均動脈壓的變化情況較低(p>.05)。本研究結論:在中高運動強度的條件下,心率恢復值與心率恢復率以及心率變異度(SDNN、RMSSD)越高,且心率變化值與心率變化率越低,表示心肺功能愈佳。希望本研究的結果,能作為將來心肺適能相關研究建模的一個參考依據,進而能夠判斷出受測者的心肺適能優劣程度。
In this study, NI LabVIEW and NI ELVIS II combined with heart rate, blood pressure, electrocardiogram and spirometry medical measurement modules were employed, through designed bike sports physiology experiments, capturing subjects were at rest, three different exercise intensity and during recovery's dynamic human physiological signals. This study investigates subject in three different stages of sports intensity, the reaction status and recovery capability of cardiorespiratory signals, and assess the relationship between the cardiorespiratory fitness (800/1600 meters score) top 20% (five subject) and bottom 20% subject (nine subject)'s cardiorespiratory signal and cardiorespiratory endurance. Parameters used in this study is the heart rate (HR), tidal volume (VT), breathing frequency (f), mean arterial pressure (MAP), ECG signal RR interval standard deviation (SDNN) and root mean square of the difference between the RR interval (RMSSD), and use these signals to calculate the situation of variation and recovery during recovery. Finally, using Mann-Whitney U test statistical analysis method to assess the relationship between cardiorespiratory fitness top 20% and bottom 20% subject's cardiorespiratory signal and cardiorespiratory endurance. Top 20% subjects were compared to bottom 20% subjects, recovery situation of tidal volume is lower (p>.05), variation situation of tidal volume is higher (p>.05), recovery situation of breathing frequency is not possible to observe its trends (p>.05), variation situation of breathing frequency is lower (p>.05), recovery situation of heart rate is higher (p<.05), variation situation of heart rate is lower (p<.05), SDNN is higher (p<.05), RMSSD is higher (p<.05), variation situation of mean arterial pressure is lower (p>.05). Conclusions of this study: Under the given moderate and vigorous exercise intensity conditions, heart rate recovery, heart rate recovery rate, and heart rate variability (SDNN, RMSSD) are higher, and variation of heart rate from rest and percentage variation of heart rate from rest are lower, indicating cardiorespiratory fitness is more better. Hope that the results of this study, it can be used as a reference of cardiorespiratory fitness related research modeling in the future, further be able to judge the cardiorespiratory fitness superior and inferior level of subject.
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