Upper Extremities AOIs (Shoulder -> Elbow)

Question 1

anterior deltoid (origin -> insertion)

Answer 1

lateral 3rd of clavical -> deltoid tuberosity

Question 2

middle deltoid (origin -> insertion)

Answer 2

acromion process -> deltoid tuberosity

Question 3

posterior deltoid (origin -> insertion)

Answer 3

scapular spine -> deltoid tuberosity

Question 4

biceps brachii (long head) (origin -> insertion)

Answer 4

supraglenoid tubercle -> radial tuberosity

Question 5

biceps brachii (short head) (origin -> insertion)

Answer 5

scapular coracoid process -> radial tuberosity

Question 6

coracobrachialis (origin -> insertion)

Answer 6

scapular coracoid process -> lower 1/3 of anterior humerus

Question 7

brachialis (origin -> insertion)

Answer 7

anterior surface of humerus -> coranoid process and ulnar tuberosity

Question 8

brachioradialis (origin -> insertion)

Answer 8

lateral supracodular ridge of humerus -> radial styloid process

Question 9

anconeus (origin -> insertion)

Answer 9

lateral epicondyle of humerus -> olecranon

Question 10

triceps brachii (long head) (origin -> insertion)

Answer 10

scapular infraglenoid tubercle -> olecranon

Question 11

triceps brachii (lateral head) (origin -> insertion)

Answer 11

radial groove of humerus -> olecranon

Question 12

triceps brachii (medial head) (origin -> insertion)

Answer 12

radial groove of humerus -> olecranon

Question 13

subscapularis (origin -> insertion)

Answer 13

subscapular fossa -> lesser tubercle of humerus

Question 14

anterior deltoid (action)

Answer 14

foward flexion of shoulder

Question 15

middle deltoid (action)

Answer 15

abduction of arm

Question 16

posterior deltoid (action)

Answer 16

extension of arm

Question 17

biceps brachii (long head) (action)

Answer 17

flexion of elbow (palm up)

Question 18

biceps brachii (short head) (action)

Answer 18

flexion of shoulder

Question 19

coracobrachialis (action)

Answer 19

adduction of arm

Question 20

brachialis (action)

Answer 20

flexion of elbow (palm down)

Question 21

brachioradialis (action)

Answer 21

flexing of elbow (thumb up)

Question 22

anconeus (action)

Answer 22

extension of the forearm

Question 23

triceps brachii (long head) (action)

Answer 23

extension of the forearm

Question 24

triceps brachii (lateral head) (action)

Answer 24

adduction of the arm

Question 25

triceps brachii (medial head) (action)

Answer 25

extends the shoulder

Question 26

subscapularis (action)

Answer 26

internal rotation of the shoulder

Question 27

supraspinatus (origin -> insertion)

Answer 27

supraspinous fossa -> greater tubercle of the humerus

Question 28

infraspinatus (origin -> insertion)

Answer 28

infraspinous fossa -> greater tubercle of the humerus

Question 29

teres minor (origin -> insertion)

Answer 29

lateral border of scapula -> greater tubercle of the humerus

Question 30

teres major (origin -> insertion)

Answer 30

inferior angle of scapula -> intertubercular groove of the humerus

Question 31

pectoralis major (clavicle) (origin -> insertion)

Answer 31

medial 1/2 of clavicle -> crest of the greater tubercle of the humerus

Question 32

pectoralis major (sterocostal) (origin -> insertion)

Answer 32

sternum and costal cartilage 1-6 -> crest of the greater tubercle of the humerus

Question 33

pectoralis major (abdominal) (origin -> insertion)

Answer 33

anterior layer of the rectus sheath -> crest of the greater tubercle of the humerus

Question 34

pectoralis minor (origin -> insertion)

Answer 34

3rd-5th rib -> coracoid process of scapula

Question 35

trapezius (desending) (origin -> insertion)

Answer 35

occipital bone and spinous process of vertabrea C1-C7 -> lateral 1/3 of clavicle

Question 36

trapezius (transverse) (origin -> insertion)

Answer 36

aponeurosis at vertebrea T1-T4 spinous process -> acromion process of scapula

Question 37

trapezius (ascending) (origin -> insertion)

Answer 37

vertebrea T5-T12 spinous process -> scapular spine

Question 38

rhombdoid (minor) (origin -> insertion)

Answer 38

spinous process of vertebrea C6+C7 -> medial border of scapula above scapular spine

Question 39

rhombdoid (major) (origin -> insertion)

Answer 39

spinous process of vertebrea T1-T4 -> medial border of scapular below scapular spine

Question 40

sternocleidomastoid (sternal head) (origin -> insertion)

Answer 40

manubrium of sternum -> mastoid process of the temporal bone and superior nuchal line of the occipital bone

Question 41

sternocleidomastoid (clavicular head) (origin -> insertion)

Answer 41

medial 1/3 of clavicle -> mastoid process of the temporal bone and superior nuchal line of the occipital bone

Question 42

supraspinatus (action)

Answer 42

external rotation of the shoulder

Question 43

infraspinatus (action)

Answer 43

external rotation of the shoulder

Question 44

teres minor (action)

Answer 44

external rotation of the shoulder

Question 45

teres major (action)

Answer 45

adduction of humerus + medial roation of humerus

Question 46

pecotalis major (all) (action)

Answer 46

shoulder adduction, internal rotation of the shoulder, shoulder flexion

Question 47

pectoralis minor (action)

Answer 47

draws scapula downward + rotates glenoid inferiorly

Question 48

trapezius (desending) (action)

Answer 48

draws scapula upwards + tilts head same side muscle is on and rotates opposite

Question 49

trapezius (transverse) (action)

Answer 49

draws scapula medially

Question 50

trapezius (ascending) (action)

Answer 50

draws scapula medially downward

Question 51

rhombdoid (both) (action)

Answer 51

steadies scapula and draws it medially upward

Question 52

sternocleidomastoid (both) (action)

Answer 52

extends head + tilts head same side muscle is on and rotates opposite

Question 53

levator scapulae (origin -> insertion)

Answer 53

posterior tubercles of the transverse process C1-C4 -> posterior lip of the medial scapular border

Question 54

levator scapulae (action)

Answer 54

elevate scapula, rotates scapula inferiorly, extend neck

Question 55

serratus anterior (superior) (origin -> insertion)

Answer 55

ribs 1-2 -> superior boarder of scapula (anterior)

Question 56

serratus anterior (middle) (origin -> insertion)

Answer 56

ribs 3-6 -> medial boarder of scapula (anterior)

Question 57

serratus anterior (inferior) (origin -> insertion)

Answer 57

ribs 7-8/9 -> medial boarder and inferior angle of scapula (anterior)

Question 58

serratus anterior (all) (action)

Answer 58

stabilizes the scapula + lifts ribcage