Muscles of the Pharynx

Question 1

Name the muscles of the Pharynx.

Answer 1

• Superior pharyngeal constrictor
• Middle pharyngeal constrictor
• Inferior pharyngeal constrictor (has two parts)
• Salpingopharyngeus
• Stylopharyngeus

Question 2

What are the functions of the superior pharyngeal constrictor?

Answer 2

• Pulls posterior pharyngeal wall forward
• Constricts pharyngeal diameter to aid in deglutition
• Assists in velopharyngeal closure

Question 3

Function of the middle pharyngeal constrictor

Answer 3

• Reduces diameter of pharynx (peristaltic movements for swallowing)

Question 4

What are the two parts of the Inferior pharyngeal constrictor?

Answer 4

• Thyropharyngeus muscle
• Cricopharyngeal muscle

Question 5

Function of the thyropharyngeus muscle

Answer 5

• Reduces diameter of lower pharynx (peristaltic movements for swallowing

Question 6

Function of the cricopharyngeal muscle

Answer 6

• Constricts the opening of the esophagus

Question 7

Function of the Salpingopharyngeus

Answer 7

• Elevates the lateral pharyngeal wall

Question 8

Function of the Stylopharyngeus

Answer 8

• Elevates and opens the pharynx during deglutition