Daniel Spulák

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Muscle coordination during periodic movements is often studied using the average envelope of the electromyographic (EMG) signal. We show that this method causes a loss of important information, and potentially gives rise to errors in analysis of muscle activity coordination. We created four simulated two-channel surface EMG signals, in order to compare the(More)
This paper is focused on various approaches to thresholding of electromyographic (EMG) envelope. We used multichannel surface electromyography to record and evaluate electrical activity of muscles during Nordic walking. Muscle activity detection was performed using thresholding of the EMG envelope. We compared thresholding related to the maximum of the(More)
– The focus of this paper is continuous non-invasive blood pressure monitoring. We used electrocardiography (ECG) and photoplethysmo-graphy (PPG) to compute pulse arrival time (PAT) between heart and finger. PAT was measured as the time difference between the R-peak of ECG and a characteristic point of PPG. We defined different characteristic points on PPG(More)
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