PT  - JOURNAL ARTICLE
AU  - B Bussel
AU  - C Morin
AU  - E Pierrot-Deseilligny
TI  - Mechanism of monosynaptic reflex reinforcement during Jendrassik manoeuvre in man.
AID  - 10.1136/jnnp.41.1.40
DP  - 1978 Jan 01
TA  - Journal of Neurology, Neurosurgery & Psychiatry
PG  - 40--44
VI  - 41
IP  - 1
4099  - http://jnnp.bmj.com/content/41/1/40.short
4100  - http://jnnp.bmj.com/content/41/1/40.full
SO  - J Neurol Neurosurg Psychiatry1978 Jan 01; 41
AB  - The facilitating effect of the Jendrassik manoeuvre on monosynaptic reflexes in man has been studied by comparing H and T reflexes of the soleus and by blocking the effects of spindle activation by ischaemia of the leg. The Jendrassik manoeuvre equally enhances H and T reflexes provided that the test reflexes are small. The H reflex remains facilitated when the spindle activation cannot affect the soleus alpha-motoneurones--that is, when the Ia afferent nerve fibres from the soleus are blocked by ischaemia. It is concluded that the facilitating effect of the Jendrassik manoeuvre on the alpha-motoneurones is not predominantly routed via the gamma-loop.