Why the study?
Can neuromuscular jitter be used as an indicator of the safety factor of the motor end-plate in healthy subjects?
Can neuromuscular jitter be used as an indicator of the safety factor of the motor end-plate in healthy subjects?
Neuromuscular jitter can be used as an indicator of the safety factor of the motor end-plate, which may have clinical implications for identifying subclinical vulnerabilities in nerve-muscle disorders.
Answers are grounded in this paper and cite their sources.
Jitter may indicate motor end-plate safety factor in healthy subjects; leaves open utility for subclinical detection in neuromuscular disorders.
In a single fibre EMG investigation on healthy subjects the relationship between the neuromuscular jitter and the safety factor of the motor end-plate relative to curare was studied. A positive correlation was found between the jitter increase after a standard dose of D-tubocurarine and the initial jitter. The conclusion was drawn that the neuromuscular jitter can be used as an indicator of the safety factor. There are a number of nerve-muscle disorders in which the jitter is increased, probably indicating a reduced safety factor which may be of clinical importance when these patients are subjected to diseases or drugs which would otherwise not produce neuromuscular symptomatology.
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Stålberg et al. (1975) studied this question.
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