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Signal Processing #2

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Title: Signal Processing #2
Author(s): Thompson, Christopher
Abstract: Our laboratory is interested in the mechanisms underlying recovery of locomotion following human spinal cord injury (SCI). We have shown that subjects with motor incomplete SCI (sparing of some volitional motor control) exhibit significant increases in their maximal force generation capacity within a fatiguing protocol. This is in stark contrast to the decrease in maximal force consistently displayed by healthy control subjects during the same protocol. This photograph shows equipment used to collect and analyze electromyographic and force data. It was taken after the first trial of a new protocol, the results of which indicate that the volitional component of a maximal contraction is necessary for extra force to develop. These results corroborate with the theory that descending neuromodulators from the midbrain have the ability to augment force output. Pictured in the foreground are active surface electrodes (DE 2.1, Delsys, Boston, MA) suspended over an isokinetic dynameter (not shown). The background is filled with an assortment of amplifiers, filters and analogue/digital converters.
Issue Date: 2008
Type: Image
Description: Finalist 2008 in The Image of Research, a competition for students in graduate or professional degree programs at UIC, sponsored by UIC's Graduate College and the University Library. Images of award recipients and honorable mention images on exhibition in the Richard J. Daley Library and the Library of the Health Sciences, May 2-30, 2008. Finalist images on exhibition in Richard J. Daley Library, May 2-30, 2008.
Date Available in INDIGO: 2008-05-21

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