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University of Miami

Open Access Dissertations

Theses/Dissertations

2008

24-hour

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Automatic Classification Of Long Term Involuntary Spontaneous Emg, Jeffrey S. Winslow Apr 2008

Automatic Classification Of Long Term Involuntary Spontaneous Emg, Jeffrey S. Winslow

Open Access Dissertations

Involuntary electromyographic (EMG) activity has been recorded in the thenar (thumb) muscles of spinal cord injured (SCI) subjects for only short time periods (minutes), but it is unknown if this motor unit activity is ongoing. Longer duration EMG recordings can investigate the physiological significance of this neuromuscular activity. Analysis of these data is complex and time consuming. Since no software is currently capable of classifying 24 hours of data at a single motor unit level, the goal of this research was to devise an algorithm to automatically classify motor unit potentials over 24-hours. Twenty-four-hour, 2-channel thenar muscle EMG recordings were …