Evident difference in the excitability of the motoneuron pool between normal subjects and patients with spasticity assessed by a new method using H-reflex and M-response

The excitability of the motoneuron (MN) pool in the resting state was compared between normal control subjects and patients with spasticity resulting from HTLV-I-associated myelopathy, using a new parameter, Hslp/Mslp, and the conventional parameters Hmax/Mmax and Hth/Mth. Differences in the excitab...

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Bibliographic Details
Published in:Neuroscience letters 1996-01, Vol.203 (2), p.127-130
Main Authors: Funase, Kozo, Higashi, Toshio, Yoshimura, Toshiro, Imanaka, Kuniyasu, Nishihira, Yoshiaki
Format: Article
Language:English
Subjects:
Action Potentials - physiology
Adult
AIDS/HIV
H-reflex
H-Reflex - physiology
Humans
M-response
Middle Aged
Motoneuron excitability
Motor Neurons - physiology
Muscle Spasticity - etiology
Muscle Spasticity - physiopathology
Neural Conduction
Paraparesis, Tropical Spastic - physiopathology
Spasticity
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Summary:The excitability of the motoneuron (MN) pool in the resting state was compared between normal control subjects and patients with spasticity resulting from HTLV-I-associated myelopathy, using a new parameter, Hslp/Mslp, and the conventional parameters Hmax/Mmax and Hth/Mth. Differences in the excitability of the MN pool between these two groups reached a high degree of statistical significance only when assessed with the new parameter. This suggests the methodological advantage of the Hslp/Mslp over both Hmax/Mmax and Hth/Mth for evaluation of the excitability of the MN pool in the resting state.
ISSN:0304-3940
1872-7972
DOI:10.1016/0304-3940(95)12284-2