Chest, Arm, Shoulder

Question 1

supraspinatus origin

Answer 1

supraspinatus fossa of scapula

Question 2

supraspinatus distal

Answer 2

superior facet of greater tubercle of humerus

Question 3

supraspinatus innervation

Answer 3

suprascapular n

Question 4

supraspinatus artery

Answer 4

suprascapular

Question 5

supraspinatus action

Answer 5

abducts arm an stabilizes humerus

Question 6

infraspinatus origin

Answer 6

infraspinous fossa

Question 7

infraspinatus distal

Answer 7

greater tuberosity of humerus

Question 8

infraspinatus innervation

Answer 8

• suprascapular n

Question 9

infraspinatus artery

Answer 9

suprascapular & scapular circumflex

Question 10

infraspinatus action

Answer 10

externally rotates arm

Question 11

teres minor origin?

Answer 11

lateral border and adjacent posterior surface of scapula

Question 12

teres minor distal?

Answer 12

greater tubercle of numerus and posterior joint capsule

Question 13

teres minor innervation?

Answer 13

axillary n

Question 14

teres minor artery?

Answer 14

posterior humeral circumflex & scapular circumflex

Question 15

teres minor action?

Answer 15

modulate deltoid action to or event humeral head subluxation during arm abduction; rotate s humerus laterally

Question 16

subscapularis origin?

Answer 16

medial subscapular fossa and inferolateral border of scapula

Question 17

subscapularis distal?

Answer 17

lesser tuberosity and anterior capsule

Question 18

subscapularis innervation?

Answer 18

subscapular n

Question 19

subscapularis artery?

Answer 19

subscapular

Question 20

subscapularis action?

Answer 20

stabilizes joint from anterior dislocation and internally rotates and adducts humerus

Question 21

pectoralis major origin?

Answer 21

clavicular head sternocostal head

Question 22

pectoralis major distal?

Answer 22

lateral bicipital groove

Question 23

pectoralis major innervation ?

Answer 23

lateral and medial pectoral

Question 24

pectoralis major artery?

Answer 24

thoracoacromial trunk

Question 25

pectoralis major action?

Answer 25

clavicular: flexes the humerus sternocostal: adducts humerus adducts and medially rotates humerus, draws scapula anteriorly and inferiorly

Question 26

pectoralis minor origin?

Answer 26

ribs 3-5 at costochondral junction

Question 27

pectoralis minor distal?

Answer 27

medial border and superior surface of coracoid process

Question 28

pectoralis minor innervation?

Answer 28

medial and lateral pectoral

Question 29

pectoralis minor artery?

Answer 29

thoracoacromial trunk

Question 30

pectoralis minor action?

Answer 30

stabilizes scapula by drawing it inferiorly and anteriorly against thoracic wall, raises ribs during inspiration

Question 31

subclavius origin?

Answer 31

ist rib and sternocostal cartilage

Question 32

subclavius distal?

Answer 32

subclavian groove

Question 33

subclavius innervation?

Answer 33

subclavian

Question 34

subclavius artery?

Answer 34

thoracoacromial trunk

Question 35

subclavius action?

Answer 35

depression of clavicle; elevation of rib 1

Question 36

biceps brachii origin?

Answer 36

short head – coracoid process | long head – supraglenoid tubercle

Question 37

biceps brachii distal?

Answer 37

radial tuberosity + fascia of forearm

Question 38

biceps brachii innervation?

Answer 38

musculocutaneous

Question 39

biceps brachii artery?

Answer 39

brachial

Question 40

biceps brachii action?

Answer 40

primary function flexion of forearm; supination

Question 41

brachialis origin?

Answer 41

anterior diaphysis of humerus

Question 42

brachialis distal?

Answer 42

coronoid process

Question 43

brachialis innervation?

Answer 43

musculocutaneous n

Question 44

brachialis artery?

Answer 44

brachial & recurrent radial

Question 45

brachialis action?

Answer 45

flexion of forearm

Question 46

coracobrachialis origin?

Answer 46

coracoid process

Question 47

coracobrachialis distal?

Answer 47

medial surface of humerus

Question 48

coracobrachialis innervation?

Answer 48

musculocutaneous n 

Question 49

coracobrachialis artery?

Answer 49

brachial

Question 50

coracobrachialis action?

Answer 50

flexes and adducts forearm

Question 51

triceps brachii origin?

Answer 51

- long head – infraglenoid tubercle - lateral head – posterior humerus superior to radial groove - medial head - posterior humerus inferior to radial groove

Question 52

triceps brachii distal?

Answer 52

olecranon and fascia of forearm

Question 53

triceps brachii innervation?

Answer 53

medial and lateral heads radial n; long head -axillary

Question 54

triceps brachii artery?

Answer 54

All three heads – profundus brachi & humeral circumflex

Question 55

triceps brachii action?

Answer 55

extension of the forearm