corrugator muscle


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cor·ru·ga·tor su·per·ci·li·i (mus·cle)

[TA]
facial muscle of forehead; origin, from orbital portion of musculus orbicularis oculi and nasal prominence; insertion, skin of eyebrow; action, draws medial end of eyebrow downward and wrinkles forehead vertically, conveying facial expression of deep thought, worry, or concern; nerve supply, facial.

corrugator muscle

Facial muscle. Origin: medial part of supraorbital margin. Insertion: skin above middle of eyebrow. Nerve: facial (CN VII). Action: pulls eyebrows toward midline and downward.
Synonym: Corrugator supercilii
See also: muscle
References in periodicals archive ?
It is possible that a controlled processing mode was engaged to some degree by virtue of aesthetic instructions and corrugator muscle feedback, with the increase in cognitive effort and top-down control affecting preference judgments for the photographs.
The use of the electromyography instrument connected to the delivery needle appears to be an effective means of assuring that BTX is delivered accurately into the body of the corrugator muscles.
The males had only one facial EMG peak that approached significance (F(1,23) = 3.49, p [less than] .080), and that was for the corrugator muscle at 10 to 12 seconds, which coincides exactly with the time period when the attractive opposite-sex model is removed from the screen and is replaced with a detailed full-screen view of an eye liner brush.