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	EMG-envelope	Inverse Dynamics	Pan-Tompkins QRS-detektion
Ämnesområde	Biomekanik	Biomekanik	Biomekanik
Familj	Process / pipeline	Process / pipeline	Process / pipeline
Ursprungsår	1999	1990	1985
Upphovsperson	Roberto Merletti	David Winter	Jiapu Pan
Typ	Digital signal processing pipeline	Computational analysis pipeline	Digital signal processing pipeline
Ursprungskälla	Phinyomark, A., Quaine, F., Charbonnier, S., & Serviere, C. (2012). Robust EMG feature extraction in the whitespace. IEEE Transactions on Biomedical Engineering, 59(5), 1505-1517.	Winter, D. A. (1990). Biomechanics and Motor Control of Human Movement. Wiley-Interscience.	Pan, J., & Tompkins, W. J. (1985). A real-time QRS detection algorithm. IEEE Transactions on Biomedical Engineering, BME-32(3), 230-236.
Alias	EMG linear envelope, RMS envelope, Activation envelope	Inverse problem, Biomechanical inverse dynamics	QRS detection, R-peak detection, Heartbeat detection
Närliggande	3	3	3
Sammanfattning	Electromyography (EMG) envelope analysis extracts the amplitude modulation of muscle electrical activity to quantify muscle activation over time. By filtering and demodulating the raw EMG signal, practitioners obtain a smoothed activation profile that reflects when and how intensely a muscle is contracting during movement or fatigue.	Inverse dynamics is a biomechanical analysis technique that estimates the forces and moments acting on joints during movement by working backward from observed motion and ground reaction forces. Introduced by David Winter in the early 1990s, it is fundamental to understanding how muscles and joints generate and control human motion.	The Pan-Tompkins algorithm is a real-time QRS detection method for electrocardiograms (ECGs) that identifies the R-peaks (ventricular depolarization) and QRS complexes from continuous cardiac waveforms. Published by Jiapu Pan and Willis Tompkins in 1985, it remains a standard reference for ECG processing and is widely implemented in clinical monitoring systems.