underaction

underaction

(ˌʌndərˈækʃən)
n
1. inadequate activity
2. (Literary & Literary Critical Terms) supplemental or secondary action
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References in periodicals archive ?
c) Bilateral underaction on depression in abduction
Assessment of motility revealed noticeable underaction of both superior oblique muscles.
Diagnosis of congenital SO palsy was confirmed on ocular motility examination by the presence of characteristic SO underaction (SOUA), inferior oblique overaction (IOOA), positivity of Bielschowsky head tilt test, and compensatory head tilt toward the sound side.
Yet is inaction (or underaction) in Washington only Washington's fault?
Hess screen test revealed underaction of the left IR muscle.
The etiology of isolated extraocular muscle (EOM) overaction or underaction is unknown; several hypothetical constructs have been proposed.
The ocular motility examination showed grade 2 overaction of the right inferior oblique muscle and underaction of the superior oblique muscle on the same side without any limitation of ocular motility in both eyes (Figure 4).
Isolated superior oblique tucking: an effective procedure for superior oblique palsy with profound superior oblique underaction. J AAPOS.