Search Results - "Clancy, E.A."

Sampling, noise-reduction and amplitude estimation issues in surface electromyography by Clancy, E.A, Morin, E.L, Merletti, R

“…This paper reviews data acquisition and signal processing issues relative to producing an amplitude estimate of surface EMG. The paper covers two principle…”
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Probability density of the surface electromyogram and its relation to amplitude detectors by Clancy, E.A., Hogan, N.

“…When the surface electromyogram (EMG) generated from constant-force, constant-angle, nonfatiguing contractions is modeled as a random process, its density is…”
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Adaptive whitening of the electromyogram to improve amplitude estimation by Clancy, E.A., Farry, K.A.

“…Previous research showed that whitening the surface electromyogram (EMG) can improve EMG amplitude estimation (where EMG amplitude is defined as the…”
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Relating agonist-antagonist electromyograms to joint torque during isometric, quasi-isotonic, nonfatiguing contractions by Clancy, E.A., Hogan, N.

“…Describes an experimental study which relates simultaneous elbow flexor-extensor electromyogram (EMG) amplitude to joint torque. Investigation was limited to…”
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Adaptive whitening in electromyogram amplitude estimation for epoch-based applications by Prakash, P., Salini, C.A., Tranquilli, J.A., Brown, D.R., Clancy, E.A.

“…Epoch-based electromyogram (EMG) amplitude estimates have not incorporated signal whitening, even though whitening has demonstrated significant improvements…”
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Assessment of a case study laboratory to increase awareness of ethical issues in engineering by Clancy, E.A., Quinn, P., Miller, J.E.

“…Case studies in engineering ethics were integrated into a first course in electrical and computer engineering at Worcester Polytechnic Institute (WPI),…”
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Influence of advanced electromyogram (EMG) amplitude processors on EMG-to-torque estimation during constant-posture, force-varying contractions by Clancy, Edward A., Bida, Oljeta, Rancourt, Denis

“…Numerous studies have investigated the relationship between surface electromyogram (EMG) and torque exerted about a joint. Most studies have used conventional…”
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Visual EMG Biofeedback to Improve Ankle Function in Hemiparetic Gait by Aiello, E., Gates, D.H., Patritti, B.L., Cairns, K.D., Meister, M., Clancy, E.A., Bonato, P.

“…Spasticity in stroke patients interferes with coordinated muscle firing patterns of the lower extremity leading to gait abnormalities. The goal of this study…”
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Estimation and application of EMG amplitude during dynamic contractions by Clancy, E.A., Bouchard, S., Rancourt, D.

“…Processing nonstationary EMG signals for applications in prosthesis control, biofeedback, and joint torque estimation, is discussed…”
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Theoretic and experimental comparison of root-mean-square and mean-absolute-value electromyogram amplitude detectors by Clancy, E.A., Hogan, N.

“…It is typically assumed that the probability density of the surface electromyogram (EMG) is Gaussian. This assumption leads to root-mean-square (RMS)…”
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Electromyogram amplitude estimation with adaptive smoothing window length by Clancy, E.A.

“…Typical electromyogram (EMG) amplitude estimators use a fixed window length for smoothing the amplitude estimate. When the EMG amplitude is dynamic, previous…”
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Influence of smoothing window length on electromyogram amplitude estimates by St-Amant, Y., Rancourt, D., Clancy, E.A.

“…A systematic, experimental study of the influence of smoothing window length on the signal-to-noise ratio (SNR) of electromyogram (EMG) amplitude estimates is…”
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Multiple site electromyograph amplitude estimation by Clancy, E.A., Hogan, N.

“…Temporal whitening of individual surface electromyograph (EMG) waveforms and spatial combination of multiple recording sites have separately been demonstrated…”
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Single site electromyograph amplitude estimation by Clancy, E.A., Hogan, N.

“…Previous investigators have experimentally demonstrated and/or analytically predicted that temporal whitening of the surface electromyograph (EMG) waveform…”
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EMG amplitude estimation with adaptive smoothing window length by Clancy, E.A.

“…Typical EMG amplitude estimators use a fixed window length for smoothing the amplitude estimate. When the EMG amplitude is dynamic, varying the smoothing…”
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Influence of joint angle on the calibration and performance of EMG amplitude estimators by Clancy, E.A., Hogan, N.

“…Multiple-channel electromyogram (EMG) amplitude estimators incorporating temporal whitening filters and/or spatial uncorrelation filters contain a…”
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Electromyogram (EMG) amplitude estimation and joint torque model performance by Bida, O., Rancourt, D., Clancy, E.A.

“…The relationship between surface EMG and torque about a joint has been the focus of many studies. Some of these studies however, have utilized conventional…”
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Spatially Selective Filter Design for High-Resolution EMG Arrays by Quartararo, J.D., Clancy, E.A.

“…A new technique for designing EMG spatial filters with optimized spatial selectivity is described. Simulations were used to model an action potential (AP) as a…”
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Motor unit firing characteristics in patients with amyotrophic lateral sclerosis by Kasi, P.K., Krivickas, L.S., Meister, M., Chew, E., Schmid, M., Kamen, G., Clancy, E.A., Bonato, P.

“…In this study, we investigated the behavior of active motor units identified via analysis of electromyographic (EMG) signals recorded from the first dorsal…”
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Characterization of motor unit behavior in patients with amyotrophic lateral sclerosis by Kasi, P.K., Krivickas, L.S., Meister, M., Chew, E., Bonato, P., Schmid, M., Kamen, G., Pu Liu, Clancy, E.A.

“…In this study, we investigated the behavior of active motor units identified via analysis of electromyographic (EMG) signals recorded from the first dorsal…”
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