KIN 223 - Chapter 11: Skeletal Muscle Actions PT. 1 Exam And Correct Answers.

KIN 223 - Chapter 11: Skeletal Muscle
Actions PT. 1 Exam And Correct
Answers.
Epicranius - Answer Also known as occipitofrontalis; the broad muscle that covers the top of the skull
and consists of the occipitalis and frontalis.



Frontal Belly - Answer 1. Moves scalp

2. Raises eyebrows

3. Wrinkles forehead



Occipital Belly - Answer Retracts scalp



Nasalis - Answer Elevates corners of nose



Procerus - Answer Moves and wrinkles nose



Buccinator - Answer Compresses cheek



Zygomaticus Minor - Answer Elevates corner of mouth



Depressor Anguli Oris - Answer Depresses corner of mouth inferiorly & laterally



Zygomatic Major - Answer Elevates corner of mouth



Depressor Labii Inferioris - Answer Depresses lower lip inferiorly



Levator Anguli Oris - Answer Elevates corner of mouth superiorly & laterally

, Levator Labii Superioris - Answer Elevates upper lip superiorly



Mentalis - Answer Protrudes lower lip



Orbicularis Oris - Answer Kiss



Riscrius - Answer Pulls lips laterally (closed mouth smile)



Corrugator Supercilii - Answer 1. Draws eyebrows together

2. Wrinkles vertical above nose



Levator Palpebrae Superioris - Answer 1. Elevates superior eyelids

2. Opens eyes



Orbicularis Oculi - Answer 1. Closes eyes

2. Blinking



Platysma - Answer 1. Depresses lips inferiorly

2. Tenses neck



Medial Rectus - Answer 1. Moves eyes medially

2. Adducts



Lateral Rectus - Answer 1. Moves eye laterally

2. Abducts



Superior Rectus - Answer 1. Moves eyes superiorly & medially

2. Elevates eye