Key result
Caloric stimulation of the labyrinth augmented the excitability of the myotatic reflex, indicating simultaneous facilitation of alpha and gamma extensor motoneurones with gamma effects predominating.
Why the study?
Does caloric stimulation of the labyrinth affect the soleus motor pool in humans?
Population
Human subjects (sample size and demographics not stated)
Design
Other
Authors
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Hypothesis-generating for vestibular effects on human extensor reflexes; prospective studies needed before any clinical consideration.
Does caloric stimulation of the labyrinth affect the soleus motor pool in humans?
Caloric stimulation of the labyrinth in humans facilitates alpha and gamma extensor motoneurones, with gamma effects predominating.
Delwaide et al. (1977) studied this question. Caloric stimulation of the labyrinth was evaluated on Excitability of the myotatic reflex (Achilles tendon reflex, H reflex, and vibratory inhibition of the H reflex). Caloric stimulation of the labyrinth augmented the excitability of the myotatic reflex, indicating simultaneous facilitation of alpha and gamma extensor motoneurones with gamma effects predominating.
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