H-reflex and M-wave recordings: effect of pressure application to the stimulation electrode on the assessment of evoked potentials and subject's discomfort.
作者： Thomas Cattagni , Angèle N. Merlet , Christophe Cornu , Marc Jubeau
DOI: 10.1111/CPF.12431
关键词:
摘要: This study aimed to compare the effect of different types pressure applied stimulation electrode on assessing efficiency Ia-α-motoneuron transmission soleus muscle and associated discomfort using electrical nerve stimulation. Twelve healthy young adults participated in three experimental sessions (one for each knee angle). The amplitudes maximal Hoffmann reflex (Hmax ) motor potential (Mmax were recorded from at 0°, 30° 90° angles (0° full extension) through applications electrode: no pressure, with manual application adhesive tape. Hmax /Mmax calculated assess during varied electrode. At intensity evoking Mmax , subjects asked orally provide a value between 'no discomfort' (0) 'worst possible (10). electrode, particularly tape, decreased both needed evoke an electrophysiological response self-reported (P<0·05), while remained constant. appeared be more painful 0° angle compared (P<0·01). To conclude, this showed that flexion especially tape are recommended objective reduce patient/subjects' when eliciting evoked potentials muscle.
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