TY - JOUR
T1 - Intersession reliability of H:M ratio is greater than the H-reflex at a percentage of M-max
AU - Hoch, Matthew C.
AU - Krause, Bentley A.
PY - 2009/3
Y1 - 2009/3
N2 - The purpose of this study was to evaluate the intersession reliability of the soleus Hoffmann reflex using two methods of normalizing motoneuron excitability over time. Ten subjects reported to the laboratory on two separate occasions. Soleus Hoffmann reflexes and muscle responses were evaluated at maximal amplitude ratios and at stimuli producing ∼20% of the maximal muscle response. An intraclass correlation coefficient (ICC 2, 1) found strong intersession reliability for both measurement techniques. Assessing motoneuron activation using maximal amplitude ratios demonstrated a robust ICC of 0.979 compared to an ICC of 0.882 when the Hoffmann reflex was assessed at ∼20% of the maximal muscle response.
AB - The purpose of this study was to evaluate the intersession reliability of the soleus Hoffmann reflex using two methods of normalizing motoneuron excitability over time. Ten subjects reported to the laboratory on two separate occasions. Soleus Hoffmann reflexes and muscle responses were evaluated at maximal amplitude ratios and at stimuli producing ∼20% of the maximal muscle response. An intraclass correlation coefficient (ICC 2, 1) found strong intersession reliability for both measurement techniques. Assessing motoneuron activation using maximal amplitude ratios demonstrated a robust ICC of 0.979 compared to an ICC of 0.882 when the Hoffmann reflex was assessed at ∼20% of the maximal muscle response.
KW - Hoffmann reflex
KW - Motoneuron
KW - Muscle response reliability
KW - Soleus
KW - Spinal reflex
UR - http://www.scopus.com/inward/record.url?scp=58149154360&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=58149154360&partnerID=8YFLogxK
U2 - 10.1080/00207450802480309
DO - 10.1080/00207450802480309
M3 - Article
C2 - 19116841
AN - SCOPUS:58149154360
SN - 0020-7454
VL - 119
SP - 345
EP - 352
JO - International Journal of Neuroscience
JF - International Journal of Neuroscience
IS - 3
ER -