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Anatomy tricky questions > Week 9 > Flashcards

Week 9 Flashcards

1
Q

Which muscle runs through the IT groove

A

Long tendon of biceps brachi

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2
Q

Which muscles attach to the IT groove

A

Teres major
Pec major
Latissimus dorsi

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3
Q

Which artery runs through this

A

Anterior humeral circumflex artery

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4
Q

Which fossa is more lateral - radial or coronoid

A

Radial

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5
Q

Lateral epicondyle attaches to

A

Extensors

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6
Q

Medial epicondyle protects which nerve

A

Ulna

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7
Q

olecranon process of which bone sits where in which position

A

ulna, in extension

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8
Q

coronoid process of which bone sits where in which position

A

ulna, in flexion

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9
Q

shape of trochlea notch

A

wrench

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10
Q

radial notch location in relation to trochlea

A

lateral

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11
Q

tuberoscity of ulna location

A

inferior to the coronoid process of the ulna

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12
Q

what articulates at the tuberoscity of the ulna

A

brachialis muscle

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13
Q

elbow joint is made up of which 4 things

A
  1. medial condyle = trochlea
  2. lateral condyle = capitulum
  3. radius
  4. ulna
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14
Q

trochlea notch ensures

A

the joint is a pure hinge joint

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15
Q

Location of coronoid and olecranon process

A

see image in notes

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16
Q

Elbow joint is reinforced medially and laterally by

A

Collateral ligaments

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17
Q

Proximally how do the ulna and radius articulate

A

Head of radius

Radial notch of the ulna

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18
Q

Distally how do the ulna and radius articulate

A

Ulna head

Ulnar notch of radius

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19
Q

Type of joints of radius and ulna

A

Pivot

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20
Q

What keeps the joints in place

A

Proximally:

  1. collateral ligaments medially and laterally
  2. annular ligament
  3. interosseous membrane

Distally:

  1. Triangular fibrocartilage
  2. dorsal radioulnar ligament
  3. palmar radioulnar ligament
  4. Pronator quadratus
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21
Q

Elbow joint allows which 2 movements

A

Flex

extend

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22
Q

Radio-ulnar joint allows which 2 movements

A

supination

pronation

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23
Q

How do annular ligament and radius differ in kids - result

A

more conical shaped radius as head of radius isn’t fully formed

annular ligament is circular

pulled elbow

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24
Q

What process of the ulna is the radius tethered to and by what ligament

A

Styloid process

Triangular ligament

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25
Q

Long head of brachii in relation to short head

A

More lateral

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26
Q

Root of musculocutaneous

A

C567

27
Q

Where do short/long head bicep brachii originate and insert

A

Short - coracoid to biceptal apneurosis

Long - Supraglenoid tubercle –> radial tuberoscity

28
Q

Action bicep brachii

A

Strong flexor of forearm - supinator
Weak flexor arm

Long head also medial rotation/abduction
Short head - adduction

29
Q

Brachialis

A

Distal half humerus –> ulna coronoid process and tuberoscity of ulna

30
Q

Coracobrachialis

A

Coracoid –> medial humerus

31
Q

Name 3 heads of tricep

A

Long
Lateral
Medial

32
Q

Insertion of tricep

A

Olecranon of ulna

33
Q

Origin of tricep

A

Long - infraglenoid
Medial - dorsal humerus
Lateral - dorsal humerus

Long is more medial than lateral

34
Q

Extra action of long head tricep

A

Adduction

35
Q

What does bicep tendon attach to

A

Radial tuberoscity

36
Q

Where can brachial pulse be felt? also location for?

A

medial to bicep tendon

Korotkoff sounds

37
Q

Site for venepuncture

A

superficial cubital fossa

median cubital vein connecting basilic (medial) and cephalic vein

38
Q

Name 3 deep veins

A

Brachial
Radial
Ulnar

39
Q

Axilliary nerve motor/sensory innervation

pathway

A

Deltoid
Teres minor
= motor

Lateral arm = sensory

Exits axilla at quadrangular space

40
Q

Radial nerve motor/sensory innervation

pathway

A

all extensors = motor

P arm, forearm and hand = sensory

Between medial and lateral head of triceps brachii

41
Q

Musculocutaneous nerve motor/sensory innervation

pathway

A

Flexor arm = motor

Lateral forearm = sensory

Pierces coracobrachialis

42
Q

How expose axillary artery in surgery

A

Split pectoralis major

43
Q

Why remove lymph nodes in axillary clearance

A

stop spreading

44
Q

Damage to radial nerve causes

A

wrist and fingers cannot extend at the MCP joints

45
Q

Radial fossa in relation to coronoid fossa

A

Radial more lateral

46
Q

Capitulum in relation to trochlea

A

Capitulum more lateral

47
Q

Radial notch on what aspect of ulna

A

lateral

48
Q

Ulnar notch is found where

A

distal radius

49
Q

Interosseous membrane function - which positions

A

Keeps radius and ulna together in pronation and supination

50
Q

Short bicep brachii function

A

Adduction

51
Q

Long bicep brachii function

A

Abduction medial rotation

52
Q

Brachialis inserts where

A

Coronoid

Ulna tuberoscity

53
Q

Long head of bicep position

A

more lateral

54
Q

Tricep inserts where

A

Olecranon

55
Q

Long tricep function vs rest of tricep

A

Adduction and extension of arm

Rest - extension of forearm

56
Q

Medial/lateral tricep originate where

A

Humerus

57
Q

Radial nerve pathway

A

under brachioradialis

between medial and lateral tricep

58
Q

Brachial artery use in clinical setting

A

Korotkoff sounds

59
Q

Venepuncture location

A

Superificial to cubital fossa - cubital median vein

60
Q

Radial sensory

A

Posterior arm, forearm, hand

61
Q

Musculocutaneous sensory

A

Lateral forearm

62
Q

Musculocutaneous pathway

A

pierces corachobrachialis

63
Q

Where specifically do the lateral and medial head of tricep originate on humerus

A

Lateral - above radial groove

Medial - below radial groove

Anatomy tricky questions (5 decks)

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