心電圖與肺音，皆是非侵入性的量測方式，可分別用來評估心血管疾病及肺疾病。行政院衛生署公佈的2006年國人十大死因中，心臟與肺疾病繼續列名其中，而且一直居高不下。
近年來，新聞媒體常提及一些人在運動時突然猝死的消息，主要因素與心肺功能有關聯。因此，本論文主要針對代表心肺功能表現的心電圖及肺音等生理訊號，建構一套量測系統來分析運動前後之生理參數，並且探討運動對心肺功能的影響。
經實驗後，由分析出的參數結果可看出，無論是在低強度的快走運動或較高強度的慢跑運動都可提高心率變異度（運動前，LFn：0.716±0.038 n.u.，HFn：0.284±0.038 n.u.，LF/HF：2.581±0.471；快走後，LFn：0.604±0.034 n.u.，HFn：0.396±0.034 n.u.，LF/HF：1.543±0.226；慢跑後，LFn：0.546±0.047 n.u.，HFn：0.451±0.046 n.u.，LF/HF：1.232±0.252）與呼吸能力（運動前，PF：401.4±17.671 Hz，Q25：347.3±31.952 Hz，Q50：393.5±20.522 Hz，Q75：434.8±13.265 Hz；快走後，PF：413±8.641 Hz，Q25：370.3±33.052 Hz，Q50：412.4±20.029 Hz，Q75：451.8±9.508 Hz；慢跑後，PF：430.3±16.813 Hz，Q25：391.5±34.04 Hz，Q50：434.6±22.56 Hz，Q75：483.6±9.868 Hz）。

Electrocardiogram and lung sound, are non-invasive measurement method to estimate cardiovascular and lung diseases. According to the report announced by Department of Health, Executive Yuan, R.O.C. (Taiwan), heart and lung diseases are both in the list of the top ten leading causes of death in 2006.
In recent years, newspapers and magazines often reported the news about sudden death when some people were in the exercise. Therefore, this thesis proposed a measurement system for measuring electrocardiogram and lung sound signals which represent the performance of heart and lung function. The proposed system can be used to analyze the variation of the related physiological parameters before and after exercise. Based on the measured data, we can study the effect of exercise on the heart and lung function.
The experimental results show that both in low-intensity campaign of brisk walking or a higher-intensity campaign of jogging can raise heart rate variability (Before exercise, LFn: 0.716±0.038 n.u., HFn: 0.284±0.038 n.u., LF/HF: 2.581±0.471; After brisk walking, LFn: 0.604±0.034 n.u., HFn: 0.396±0.034 n.u., LF/HF: 1.543±0.226; After jogging, LFn: 0.546±0.047 n.u., HFn: 0.451±0.046 n.u., LF/HF: 1.232±0.252) and respiratory capacity (Before exercise, PF: 401.4±17.671 Hz, Q25: 347.3±31.952 Hz, Q50: 393.5±20.522 Hz, Q75: 434.8±13.265 Hz; After brisk walking, PF: 413±8.641 Hz, Q25: 370.3±33.052 Hz, Q50: 412.4±20.029 Hz, Q75: 451.8±9.508 Hz; After jogging, PF: 430.3±16.813 Hz, Q25: 391.5±34.04 Hz, Q50: 434.6±22.56 Hz, Q75: 483.6±9.868 Hz).

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