ArticleFrontiers in human neuroscience2022
Effects of voluntary contraction on the soleus H-reflex of different amplitudes in healthy young adults and in the elderly.
Article in Frontiers in human neuroscience, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed, 6 citations in OpenAlex.
- Loading modulates monosynaptic transmission from spindle primary afferents to motoneurons in humans.Experimental brain research · 2026Article
- A single sequence of intermittent hypoxia does not alter stretch reflex excitability in able-bodied individuals.Experimental physiology · 2024Article
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Authors and funding
6 authors at 2 institutions in 1 country.
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Abstract
A number of H-reflex studies used a moderate steady voluntary contraction in an attempt to keep the motoneuron pool excitability relatively constant. However, it is not clear whether the voluntary muscle activation itself represents a confounding factor for the elderly, as a few ongoing mechanisms of reflex modulation might be compromised. Further, it is well-known that the amount of either inhibition or facilitation from a given conditioning depends on the size of the test H-reflex. The present study aimed at evaluating the effects of voluntary contraction over a wide range of reflex amplitudes. A significant reflex facilitation during an isometric voluntary contraction of the soleus muscle (15% of the maximal voluntary isometric contraction-MVC) was found for both young adults and the elderly (
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