Scelta multipla
Which of the following is an action of the external abdominal oblique muscle?
76
views
10. Muscles
Muscle Actions
Scelta multipla
In facial expression, which muscle primarily raises the corner of the mouth during smiling?
A
Zygomaticus major
B
Depressor anguli oris
C
Orbicularis oris
D
Buccinator
Guida verificata passo dopo passo1
Step 1: Understand the function of each muscle listed in the options related to facial expressions.
Step 2: Recall that the Zygomaticus major muscle is responsible for elevating the corners of the mouth, which is the primary action during smiling.
Step 3: Recognize that the Depressor anguli oris muscle pulls the corners of the mouth downward, which is opposite to smiling.
Step 4: Know that the Orbicularis oris muscle controls movements of the lips, such as puckering, but does not raise the mouth corners.
Step 5: Understand that the Buccinator muscle primarily compresses the cheeks and assists in chewing, not in raising the mouth corners.
Video correlati
Pratica correlata
