Lateral rectus whole muscle and motor unit contractile measures with the extraocular muscles intact.

Abstract:

:Both extracellular and intracellular stimulation of single motoneurons were shown to be similarly effective and consistent in eliciting contractile responses in single lateral rectus muscle motor units. The whole muscle was activated by stimulating the sixth nerve in the brain stem. Both whole muscle and motor unit contractile characteristics, under isometric conditions, were found to remain consistent regardless of whether this extraocular muscle was detached or left attached to the globe. In addition, whole muscle twitch and maximum tetanic tension evoked by sixth nerve stimulation was significantly less than would be predicted by the linear summation of individual motor unit twitch and maximum tetanic tensions.

journal_name

J Neurosci Methods

authors

Goldberg SJ,Shall MS

doi

10.1016/s0165-0270(97)00141-6

subject

Has Abstract

pub_date

1997-12-30 00:00:00

pages

47-50

issue

1-2

eissn

0165-0270

issn

1872-678X

pii

S0165-0270(97)00141-6

journal_volume

78

pub_type

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