Anterior Axioappendicular Muscles

Question 1

Origin of Pectoralis Major

Answer 1

CLAVICULAR HEAD= medial half clavicle STERNOCOSTAL HEAD= sternum

Question 2

Insertion of Pectoralis Major

Answer 2

intertubercular groove of humerus

Question 3

Action of Pectoralis Major

Answer 3

Flexion, Adduction, Medial Rotation of arm

Forced inspiration

Question 4

Innervation of Pectoralis Major

Answer 4

medial and lateral pectoral nerves

Question 5

Origin of Pectoralis Minor

Answer 5

3rd, 4th, and 5th ribs

Question 6

Insertion of Pectorlis Minor

Answer 6

coracoid process

Question 7

Action of Pectoralis Minor

Answer 7

forced inspiration

draws scapula inferiorly and anteriorly against thoracic wall

Question 8

Innervation of Pectoralis Minor

Answer 8

medial pectoral nerve

Question 9

Origin of serratus anterior

Answer 9

1st-8th ribs

Question 10

insertion of serratus anterior

Answer 10

inferior angle of scapula

Question 11

action of serratus anterior

Answer 11

holds the scapula against the thoracic wall

rotates scapula

Question 12

innervation of serratus anterior

Answer 12

long thoracic nerve

Question 13

origin of subclavius

Answer 13

1st rib

1st costal cartilage

Question 14

insertion of subclavius

Answer 14

middle third of clavicle

Question 15

action of subclavius

Answer 15

depresses clavicle

Question 16

innervation of subclavius

Answer 16

nerve to subclavius