Subclavius, pectoralis minor, serratus anterior

Question 1

Insertion of subclavius?

Answer 1

Inferior surface of clavicle

Question 2

Innervation of subclavius?

Answer 2

Nerve to subclavius

C5, C6

Question 3

Action of subclavius?

Answer 3

Steadies the clavicle in the sternoclavicular joint

Question 4

Origin of pectoralis minor?

Answer 4

3rd to 5th ribs

Question 5

Insertion of pectoralis minor?

Answer 5

Coracoid process

Question 6

Innervation of pectoralis minor?

Answer 6

Medial pectoral nerve

C8, T1

Question 7

Action of pectoralis minor?

Answer 7

Draws scapula downward
(causes inferior angle to move posteromedially)

Rotates glenoid inferiorly
Assists in respiration

Question 8

Origin of entire serratus anterior?

Answer 8

1st to 9th ribs

Question 9

Insertion of entire serratus anterior?

Answer 9

Medial border of scapula

Question 10

Innervation of entire Serratus anterior?

Answer 10

Long thoracic nerve

C5-C7

Question 11

3 parts of serratus anterior?

Answer 11

Superior part
Intermediate part
Inferior part

Question 12

Action of superior part of serratus anterior?

Answer 12

Lowers the raised arm

Question 13

Action of inferior part of serratus anterior?

Answer 13

Rotates scapula laterally

Question 14

Action of entire serratus anterior muscle?

Answer 14

Draws scapula laterally forward

Elevates ribs when shoulder is fixed

Question 15

Origin of subclavius?

Answer 15

1st rib