UE Muscles 11-20

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 I-

Answer 5

middle facet of greater tubercle of humerus

Question 5

infraspinatus O-

Answer 5

infraspinous fossa of scapula

Question 6

infraspinatus N-

Answer 6

suprascapular nerve

Question 7

infraspinatus F-

Answer 7

laterally rotates arm

Question 8

teres minor O-

Answer 8

middle part of lateral border of scapula

Question 9

teres minor I-

Answer 9

inferior facet of greater tubercle of humerus

Question 10

teres minor N-

Answer 10

axillary nerve

Question 11

teres minor F-

Answer 11

laterally rotates arm

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 O-

Answer 16

posterior surface of inferior angle of scapula

Question 17

Teres Major I-

Answer 17

medial lip of intertubercular sulcus of humerus

Question 18

Teres Major N-

Answer 18

lower subscapular nerve

Question 19

Teres Major F-

Answer 19

adducts and medially rotates arm

Question 20

How many roots are there are there in the Brachial Plexus

Answer 20

5 Roots, C5-C8, T1

Question 21

How many trunks are there in the Brachial Plexus

Answer 21

Three trunks, Superior->Middle->inferior

Question 22

How many divisions are there in the brachial plexus?

Answer 22

6 total, 3 anterior and 3 posterior

Question 23

How many Cords are there in the brachial plexus

Answer 23

Three cords, Lateral, Posterior, and Medial

Question 24

How many branches are there in the brachioplexus?

Answer 24

5 branches, musculocutaneous, axillary, median, radial, ulnar

Question 25

Biceps brachii O-

Answer 25

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

Question 25

Biceps brachii I-

Answer 25

tuberosity of radius and facsia of forearm

Question 26

Biceps brachii N-

Answer 26

tuberosity of radius and facsia of forearm

Question 27

Biceps brachii F-

Answer 27

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

Question 28

Brachialis O-

Answer 28

distal half of anterior surface of humerus

Question 29

Brachialis I-

Answer 29

coronoid process and tuberosity ulna

Question 30

Brachialis N-

Answer 30

musculocutaneous and radial nerve

Question 31

Brachialis F-

Answer 31

flexes forearm

Question 32

coracobrachialis

Answer 32

tip of coracoid process of scapula

Question 33

coracobrachialis

Answer 33

middle third of medial surface of humerus

Question 34

coracobrachialis

Answer 34

musculocutaneous

Question 35

coracobrachialis

Answer 35

helps flex and adduct arm, resists dislocation of shoulder

Question 36

triceps brachii O-

Answer 36

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 37

triceps brachii I-

Answer 37

proximal end of olecranon of ulna and fascia of forearm

Question 38

triceps brachii N-

Answer 38

radial nerve

Question 39

triceps brachii F-

Answer 39

chief extensor of forearm