12 Questions
Which facial muscle is responsible for forming horizontal wrinkles in the forehead during the 'raising the eyebrows' test?
Occipitofrontalis
What is the grade given if a patient is able to complete the movement with ease and control during facial muscle testing?
Normal
Which facial muscle is responsible for dilating the nostrils during testing?
Nasalis
What is the instruction given to the patient during the 'closing the eye' test?
Close your eyes as tightly as you can
Which facial muscle is responsible for forming vertical wrinkles between the eyebrows during the 'frowning' test?
Corrugator supercilii
What is the grade given if a patient is unable to elicit any contraction during facial muscle testing?
Zero
What is the primary action of the zygomaticus major muscle?
To draw the angles of the mouth upward and laterally
Which muscle is responsible for drawing the corners of the mouth laterally?
Risorius
What is the primary action of the orbicularis oris muscle?
To compress the lips and protrude them
Which muscle pair is responsible for closing the jaws tightly?
Temporalis and Masseter
What is the primary action of the depressor anguli oris muscle?
To draws down the angle of the mouth, giving an appearance of deep sadness
What is the primary action of the mentalis muscle?
To draw the tip of the chin upward
Assess your knowledge of facial muscle testing, including procedures and grading systems for muscle contraction. Learn about the different grades of muscle contraction, from zero to normal, and how to test facial muscles.
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