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ANATOMY TEST 2 > lecture 10: elbow and the forearm > Flashcards

lecture 10: elbow and the forearm Flashcards

1
Q

what is the normal caring angle of men and females

A

10- 15˚

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2
Q

what is considered to be cubits valgus

A

greater than 15

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3
Q

what is considered cubical varus

A

less than 5

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4
Q

what is it called for sun stock deformity

A

cubical varus

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5
Q

what type of membrane is the synovial membrane of elbow

A

fibrous membrane

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6
Q

are there fat pads in the fossae of the synovial membrane of elbow

A

yes

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7
Q

what does the anular ligament of radius do

A

stable the radius during pronation and supination

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8
Q

what other ligament does the anular ligament of radius blend with

A

the radial collateral ligament

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9
Q

what are the collateral ligaments of the elbow

A

radial collateral ligament and ulnar collateral ligament

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10
Q

what does the radial collateral ligament resist

A

cubical varus

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11
Q

what does the ulnar collateral ligament resist

A

cubitial valgus

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12
Q

during the tommy john. surgery where do they get the autograph from

A

palmaris longus or plantar is

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13
Q

the collateral ligaments also limit

A

addiction and abduction

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14
Q

what is it called that is a ulnar fracture with dislocation of radial head

A

monteggia

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15
Q

what is galleazzi

A

radial fx with dislocation of distal radioulnar joint

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16
Q

the anastomotic network of vessels are derived firm what

A

collateral and recurrent branches of the brachial, profundity brachii, radial and ulnar arteries

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17
Q

what does recurrent mean

A

arteries that curve back in and help

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18
Q

what causes the angle in humerus

A

trochlea

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19
Q

what is the main joint for flexors and extensors

A

humeroulnar joint

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20
Q

where is the humeroulnar joint

A

trochlea of distal humerus

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21
Q

the medial portion of the trochlea extends more

A

distally

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22
Q

the humeroulnar joint is divided by what

A

the trochlear ridge which tracks movement

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23
Q

what makes up the humeroradial joint

A

capitulum and radial head

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24
Q

what makes up the elbow proper

A

humeroradial joint and humeroulnar joint

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25
Q

what type of joint is the humeroradial joint

A

synovial , hinge joint

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26
Q

how many degrees of freedom does the humeroradial joint have

A

1

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27
Q

what is the DOF of the humeroradial joint

A

flexion and extension

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28
Q

where does the proximal radioulnar joint articulate

A

at the radial head and the radial notch of the ulna

29
Q

what type of joint is the proximal radioulnar joint

A

synovial , pivot joint

30
Q

how many DOF does the proximal radioulnar joint have

A

1

31
Q

what is the DOF of the proximal radioulnar joint

A

supinationa nd pronation

32
Q

what is the medial border of the cubical fossa

A

pronator teres

33
Q

what is the lateral border of the cubical fossa

A

brachioradialis

34
Q

what is the floor of the cubical fossa

A

brachialis and supinator

35
Q

what runs thru the cubitial fossa from lateral to medial

A

biceps tendon
brachial artery
median nerve

36
Q

what vein do nurses take blood out of a

A

median cubical vein

37
Q

what veins join together at the cubitial fossa

A

the basilic and cephalon veins

38
Q

what myotme is arm flexion

A

C6

39
Q

what myotome is wrist flexion

A

C7

40
Q

what myotome is wrist extension

A

C6

41
Q

what myotome is arm extension

A

C7

42
Q

the radioulnar articulate at 2 places

A

proximal radioulnar joint
distal radioulnar joint

43
Q

what type of joint is the proximal radioulnar and
distal radioulnar joint

A

synovial joint

44
Q

during pronation , in the wlbow the radial head spins on the

A

capitulum of the humerus

45
Q

also during pronation the radial head slides on the

A

radial notch of the ulna

46
Q

during pronation when the radial head slides on the radial notch it does what to the ligaments

A

adds stress to the joint ligaments and anular ligament

47
Q

during pronation, towards the wrist the ulnar notch of the radius slides

A

anteriorly over the convex surface of the head of the ulna

48
Q

during pronation there is what type of movement of the ulna

A

very litttle movement

49
Q

what are the supinator muscles of the forearm

A

supinator and biceps brachii

50
Q

what are the pronator muscles of the forearm muscles

A

pornator teres and pronator quadratus

51
Q

what type are the ligaments in the arm f

A

fibrous

52
Q

the ligaments in the arm hold what together

A

radius and ulna

53
Q

the ligaments in the arm increase what

A

the surface areas for attachments

54
Q

wha type of tigers transfer axial forces from distal radius to proximal ulna

A

collagen fibers

55
Q

what ligament goes over the radial head

A

anular ligament

56
Q

what ligament goes from the ulna to the radial neck

A

quadrate ligament

57
Q

what ligament is inside the annular ligament

A

the quadrate ligament

58
Q

where does the oblique cord go

A

below the radial notch of ulna to the radial tuberosiuty

59
Q

what does the oblique cord limit

A

limits distal (inferior) motion of radius

60
Q

what is “pulled elbow” associated with

A

oblique cord

61
Q

what joint helps with pronation and supination

A

distal radioulnar joint

62
Q

what is the distal radioulnar joint

A

ulna articulated with the ulnar notch of the radius

63
Q

the distal radioulnar joint is wha type of disc

A

articulate

64
Q

what type of joint is the distal radioulnar joint

A

synovial pivot type of joint

65
Q

what is the triangular fibro cartilage complex

A

a triangular disc

66
Q

what does the TFCC bind

A

the ends of the radius and ulna

67
Q

what does the TFCC connect

A

the anterior and posterior radioulnar ligaments

68
Q

where does the TFCC disc attach

A

ulnar styloid process

ANATOMY TEST 2 (11 decks)

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