Lec 6 Arm & Forearm

Question 1

site of epiphyseal plate on humerus

Answer 1

anatomical neck

Question 2

most fractures occur here

Answer 2

surgical neck

Question 3

capitulum is blank and articulates with head of blank

Answer 3

lateral, radius

Question 4

trochlea is blank and articulates with blank

Answer 4

medial, ulna

Question 5

posterior part of radius where ulna fits in

Answer 5

olecranon fossa

Question 6

where biceps brachii attaches

Answer 6

radial tuberosity

Question 7

where triceps attach

Answer 7

olecranon process

Question 8

part of ulna that articulates with trochlea of humerus

Answer 8

trochlear notch

Question 9

part of ulna that articulates with the medial part of the trochlea

Answer 9

coronoid process

Question 10

where brachialis attaches on ulna

Answer 10

ulnar tuberosity

Question 11

where ulnar collateral ligament attaches on ulna

Answer 11

styloid process

Question 12

wrist adduction is greater than radial deviation because styloid process of radius is blank

Answer 12

longer

Question 13

fracture that displaces radial styloid to make the processes the same length

Answer 13

colle’s fracture

Question 14

what joins radius and ulna

Answer 14

interosseous membrane

Question 15

palpable structures in cubital fossa (lateral to medial)

Answer 15

biceps tendon, brachial artery, median nerve

Question 16

non palpable structures in cubital fossa

Answer 16

radial/ulnar arteries, radial nerve

Question 17

vein beneath skin in cubital fossa that is often used for venipuncture

Answer 17

median cubital vein

Question 18

articulation type between radial head and radial notch

Answer 18

pivot

Question 19

ligament that goes from medial epicondyle to ulna

Answer 19

ulnar collateral

Question 20

ligament that goes from lateral epicondyle to radius

Answer 20

radial collateral

Question 21

ligament that goes around head of the radius

Answer 21

annular ligament

Question 22

muscles of flexor compartment of arm

Answer 22

coracobrachialis, biceps brachii, brachialis

Question 23

innervation of flexor compartment

Answer 23

musculocutaneous nerve

Question 24

coracobrachialis

Answer 24

coracoid process, mid humerus, flex arm

Question 25

biceps brachii short head

Answer 25

coracoid process, radial tuberosity via common tendon, supinate forearm/flex arm

Question 26

biceps brachii long head

Answer 26

supraglenoid tuberosity, radial tuberosity via common tendon, supinate forearm/flex arm

Question 27

brachialis

Answer 27

mid humerus, ulnar tuberosity, flex forearm

Question 28

superficial layer of flexor compartment of forearm

Answer 28

pronator teres, flexor carpi radialis, palmaris longus, flexor digitorum superficialis (intermediate), flexor carpi ulnaris

Question 29

superficial common proximal attachment and innervation

Answer 29

medial epicondyle, median (except ulnar for flexor carpi ulnaris)

Question 30

deep layer of flexor compartment of forearm

Answer 30

FPL, FDP, Pronator quadratus

Question 31

nerve of deep layer

Answer 31

median except for half FDP which is ulnar

Question 32

muscles of extensor compartment of arm

Answer 32

triceps brachii, anconeus

Question 33

innervation of extensor compartment of arm

Answer 33

radial nerve

Question 34

triceps all attach at

Answer 34

olecranon process of ulna

Question 35

triceps long head origin

Answer 35

infraglenoid tuberosity/lateral border of scap

Question 36

triceps lateral head origin

Answer 36

posterior/lateral surface of humerus

Question 37

triceps medial head origin

Answer 37

posterior surface humerus distally

Question 38

anconeus

Answer 38

lateral epicondyle, lateral/posterior olecranon/ulna

Question 39

superficial layer of extensor compartment of forearm

Answer 39

brachioradialis, ECRL, :ECRB, EDC, EDM, :ECU, anconeus

Question 40

innervation of superficial layer of extensor compartment of forearm

Answer 40

radial nerve for brachioradialis & ECRL deep branch of radial nerve (posterior interosseous) for the rest

Question 41

bone that breaks a lot in anatomical snuff box

Answer 41

scaphoid

Question 42

stuff in anatomical snuff box

Answer 42

superficial branch of radial nerve, radial artery, scaphoid bone

Question 43

lateral epicondylitis is due to blank

Answer 43

extensor tendons

Question 44

deep branch coming off axillary artery

Answer 44

profunda brachii

Question 45

brachial artery branches into blank in the blank

Answer 45

radial/ulnar arteries, cubital fossa

Question 46

ulnar artery branches

Answer 46

common interosseous/anterior/posterior interosseous arteries

Question 47

brachial and profunda brachii arteries form blank

Answer 47

collateral arteries

Question 48

radial, ulnar, and interosseous arteries form blank

Answer 48

recurrent arteries

Question 49

accumulation of blood that causes pressure in the forearm

Answer 49

volkmans ischemic contracture

Question 50

nerve accompanying brachial artery

Answer 50

median

Question 51

radial nerve splits at blank and becomes these

Answer 51

lateral epicondyle, superficial radial n., posterior interosseous

Question 52

carpal bones row 1 lateral to medial

Answer 52

scaphoid, lunate, triquetrum, pisiform

Question 53

carpal bones row 2 medial to lateral

Answer 53

hamate, capitate, trapezoid, trapezium

Question 54

blank tendons and blank nerves go through carpal tunnel

Answer 54

9, 1

Question 55

stuff going through carpal tunnel

Answer 55

median nerve, FPL, PDS, FDP