Muscle Quiz 6

Question 1

MQ6: What is the origin and insertion of the Pectoralis Major muscle?

Answer 1

Origin: Medial Clavicle Bone, Manubrium & Body of Sternum, and Ribs 1-6 Costal Cartilage

Insertion: Bicipital Groove

Question 2

MQ6: What is the function of the Pectoralis Major muscle?

Answer 2

Adduct Arm
Flex Arm
Medially Rotate Arm
Horizontally Adduct Arm
Elevate Ribs (during inhalation)

Question 3

MQ6: What is the origin and insertion of the Pectoralis Minor muscle?

Answer 3

Origin: Ribs 3-5

Insertion: Coracoid Process of the Scapula

Question 4

MQ6: What is the function of the Pectoralis Minor muscle?

Answer 4

Protract Scapula
Depress Scapula (Shoulder Girdle)
Elevate Ribs

Question 5

MQ6: What is the origin and insertion of the Serratus Anterior muscle?

Answer 5

Origin: Upper 8 or 9 Ribs

Insertion: Subscapular Fossa and Vertebral Border of Scapula

Question 6

MQ6: What is the function of the Serratus Anterior muscle?

Answer 6

Protract Scapula
Exorotate Scapula
Elevate Ribs (inhalation)
Abduct Scapula

Question 7

MQ6: What is the origin and insertion of the Levator Scapula muscle?

Answer 7

Origin: C1-C4

Insertion: Superior Angle of Scapula and Superior Vertebral Border

Question 8

MQ6: What is the function of the Levator Scapula muscle?

Answer 8

Elevate Scapula
Laterally Flex Head & Neck (Reverse O & I)
Endorotate Scapula

Question 9

MQ6: What is the origin and insertion of the Sternocleidomastoid (SCM) muscle?

Answer 9

Origin: Manubrium & Medial End of Clavicle

Insertion: Mastoid Process

Question 10

MQ6: What is the function of the Sternocleidomastoid (SCM) muscle?

Answer 10

One Side: Laterally Flex Head & Neck and Rotates Head & Neck

Both Sides: Flex Head & Neck and Elevate Rib (inhalation)

Question 11

MQ6: What is the origin and insertion of the Scalenus Anterior muscle?

Answer 11

Origin: C3-C6 TP

Insertion: Ribs 1

Question 12

MQ6: What is the origin and insertion of the Scalenus Medius muscle?

Answer 12

Origin: C2-C7 TP

Insertion: Rib 1

Question 13

MQ6: What is the origin and insertion of the Scalenus Posterior muscle?

Answer 13

Origin: C4-C6 TP

Insertion: Ribs 2

Question 14

MQ6: What is the function of the Scalenus muscle group?

Answer 14

Elevate Ribs
Laterally Flex Head & Neck
Rotate Head & Neck
Flex Head & Neck (on both sides)

Question 15

MQ6: T/F- Every muscle on the chest that attaches to the ribs or sternum will depress the ribs?

Answer 15

False; elevate

Question 16

MQ6: Spasms of what muscle could cause rounding of the shoulders, hyper kyphosis.

Answer 16

Pectoralis Minor

Question 17

MQ6: T/F- Winging of scapula is a weakness of the Sternocleidomastoid muscle?

Answer 17

False; Serratus Anterior

Question 18

MQ6: What muscle(s) function to protract the Scapula?

Answer 18

Pectoralis Minor & Serratus Anterior

Question 19

What muscle(s) function to Elevate the Ribs?

Answer 19

Pectoralis Major, Pectoralis Minor, Serratus Anterior, Sternocleidomastoid (SCM), and Scalenus group

Question 20

MQ6: What muscle(s) function to:
Rotate the Head & Neck
Lateral Flex Head & Neck
Flex Head & Neck

Answer 20

Sternocleidomastoid & Scalenus group

Question 21

MQ6: What muscle(s) have functions on the arm?

Answer 21

Pectoralis Major

Question 22

MQ6: What muscle(s) have function(s) on the scapula

Answer 22

Pectoralis Minor, Serratus Anterior, and Levator Scapula

Question 23

MQ6: What muscle(s) have an origin on the Manubrium?

Answer 23

Pectoralis Major and Sternocleidomastoid