Why the study?
Does prior poliomyelitis affect voluntary muscle activation and fatigue during exercise compared to healthy controls?
Population
21 subjects with poliomyelitis 20-40 years previously, and 20 healthy, age-matched control subjects
Comparison
45 min of repeated isometric contractions vs Healthy, age-matched control subjects
Design
Case-control
Authors
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Impaired voluntary activation may contribute to post-polio fatigue; supports mechanistic research but remains hypothesis-generating without prospective data.
Does prior poliomyelitis affect voluntary muscle activation and fatigue during exercise compared to healthy controls?
Patients with prior poliomyelitis exhibit impaired voluntary muscle activation, suggesting defective central or reflex drive contributes to their weakness.
Allen et al. (1994) studied this question.
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