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Perception of muscle strength with and without biofeedback during swallowing and fist-clenching tasks

By Sarah Fitzgerald, Maggie Lee Huckabee, Emily Lin, Tanya Coombes and Melissa Bryant


iofeedback is described as “the use of instrumentation to make a covert physiologic process obvious to the user by providing timely and specific visual and/or auditory representations of that process ” (Wolf, 1994, p. 563). Biofeedback may be used with either the neurologically or nonneurologically impaired ABSTRACT: The purpose of this study was to investigate the accuracy of the proprioceptive system in swallowing as compared to fist clenching. The role of surface electromyography (SEMG) biofeedback in replicating motor strength was also evaluated. It was hypothesized that (a) strength of muscle contraction during swallowing would be less accurately replicated than in a fist-clenching task, (b) there would be greater variability in motor tasks attempted without the use of biofeedback, and (c) there would be greate

Year: 2003
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