gross 11-20 w/ brachial plexus

Question 1

Supraspinatus o

Answer 1

supraspinous fossa of scapula

Question 2

Supraspinatus i

Answer 2

superior facet of greater tubercle of humerus

Question 3

Supraspinatus n

Answer 3

suprascapular nerve

Question 4

Supraspinatus f

Answer 4

initiates and assists deltoid in abduction

Question 5

infraspinatus o

Answer 5

infraspinous fossa of scapula

Question 6

infraspinatus i

Answer 6

middle facet of greater tubercle of humerus

Question 7

infraspinatus n

Answer 7

suprascapular nerve

Question 8

infraspinatus f

Answer 8

laterally rotates arm

Question 9

teres minor o

Answer 9

middle part of lateral border of scapula

Question 10

teres minor n

Answer 10

axillary nerve

Question 11

teres minor f

Answer 11

laterally rotates arm

Question 11

teres minor i

Answer 11

inferior facet of greater tubercle of humerus

Question 12

subscapularis o

Answer 12

subscapular fossa

Question 13

subscapularis i

Answer 13

lesser tubercle of humerus

Question 14

subscapularis n

Answer 14

upper and lower subscapular nerves

Question 15

subscapularis f

Answer 15

medially rotates arm

Question 16

teres major i

Answer 16

medial lip of intertubercular sulcus of humerus

Question 17

teres major o

Answer 17

posterior surface of inferior angle of scapula

Question 18

teres major f

Answer 18

adducts and medially rotates arm

Question 18

teres major n

Answer 18

lower subscapular nerve

Question 19

brachial plexus pt 1

Answer 19

5 roots. C5-8, t1

Question 20

brachial plexus pt 2

Answer 20

3 Trunk. Superior->Middle->inferior

Question 21

Biceps brachii i

Answer 21

tuberosity of radius and facsia of forearm

Question 21

brachial plexus pt 3

Answer 21

Divisions: 3 anterior and 3 posterior

Question 22

brachial plexus pt 4

Answer 22

Cords: lateral,posterior,medial

Question 23

Biceps brachii o

Answer 23

longhead: supraglenoid tubercle of scapula
shorthead: tip of coracoid process of scapula

Question 23

brachial plexus pt 5

Answer 23

Branches: musculocutaneous, axillary, median, radial, ulnar

Question 24

Biceps brachii n

Answer 24

musculocutaneous

Question 25

Biceps brachii f

Answer 25

supinates forearm, flexes forearm when supinated, resists dislocation of shoulder

Question 26

brachialis o

Answer 26

distal half of anterior surface of humerus

Question 27

brachialis i

Answer 27

coronoid process and tuberosity ulna

Question 28

brachialis n

Answer 28

musculocutaneous and radial nerve

Question 29

brachialis f

Answer 29

flexes forearm

Question 30

coracobrachialis o

Answer 30

tip of coracoid process of scapula

Question 31

coracobrachialis i

Answer 31

middle third of medial surface of humerus

Question 32

coracobrachialis n

Answer 32

musculocutaneous

Question 33

coracobrachialis f

Answer 33

helps flex and adduct arm, resists dislocation of shoulder

Question 34

triceps brachii o

Answer 34

long head: infraglenoid tubercle of scapula
lateral head: posterior surface of humerus superior to radial groove
medial head: posterior surface of humerus inferior to radial groove

Question 35

triceps brachii n

Answer 35

radial nerve

Question 36

triceps brachii i

Answer 36

proximal end of olecranon of ulna and fascia of forearm

Question 37

triceps brachii f

Answer 37

chief extensor of forearm