Neuromuscular Characterisation of dysphagia following stroke (original) (raw)

2017

Abstract

Dysphagia following stroke consists a complex set of symptoms that arises from impaired functioning of the skeletal muscles involved in swallowing. This impairment results from reduced ability of the muscles to generate the optimum force needed to perform the required actions, the symptom known as muscle weakness. It is commonly believed that muscle weakness in dysphagia results from a decrease in muscle activity due to reduced voluntary motor unit recruitment. Therefore, strengthening exercises are predominantly chosen to rehabilitate dysphagia; which however may not be a universally applicable solution. This is because muscle overactivity characterized by increased involuntary motor unit recruitment is also a characteristic of stroke patients and can interfere with generation of required muscle force. Presently, muscle overactivity in dysphagia diagnosis and management remains unexplored in contrast to limb muscles that are also structurally classified as skeletal muscles (like sw...

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