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GA Lecture NVB > Outline 7-8: Brachium/Antebrachium > Flashcards

Outline 7-8: Brachium/Antebrachium Flashcards

1
Q

Anterior compartment of Brachium contains which muscles?

A

Biceps, brachialis (flexors), and coracobrachialis (adductor)

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2
Q

Blood supply of anterior Brachium. And nerve supply?

A

Brachial artery; musculocutaneous nerve

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3
Q

Posterior Brachium contains which muscles?

A

Triceps (extensor), anconeus, articularis cubiti

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4
Q

Posterior Brachium blood and nerve supply.

A

Brachial profunda artery; radial nerve

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5
Q

Anterior and posterior Brachium compartments divided by:

A

Deep fascia

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6
Q

The workhorse of elbow flexion

A

Brachialis

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7
Q

The forearm must be in which position to activate biceps?

A

Supinated

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8
Q

Workhorse of elbow extension

A

Medial head of triceps

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9
Q

Articularis cubiti attaches to:

A

The joint capsule

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10
Q

Anconeus is a tiny (flexor/extensor/other) that travels from (X) to (Y)

A

Extensor

X = lateral epicondyle
Y = lateral olecranon process
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11
Q

The axillary artery becomes the brachial artery after passing which landmark?

A

Teres major

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12
Q

The brachial artery splits into how many main branches? List them.

A

4 main branches:

  1. Superior ulnar collateral
  2. Profunda brachii
  3. Inferior ulnar collateral
  4. Nutrient artery
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13
Q

Brachial profunda artery splits into:

A
  1. Anterior (radial) collateral artery

2. Posterior (middle) collateral artery

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14
Q

The superior ulnar collateral artery travels:

A

Posterior to medial elbow side

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15
Q

The inferior ulnar collateral artery travels:

A

Anterior to medial elbow side

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16
Q

Musculocutaneous nerve emerges in antebrachium as (X) after traveling between (Y) and (Z) muscles.

A 
X = lateral antebrachial cutaneous nerve
Y = biceps 
Z = brachialis
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17
Q

Which nerve(s) have NO innervation in Brachium?

A

Median and ulnar nerves

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18
Q

Traveling from the upper Brachium to the lower Brachium, the (X) nerve gradually moved from the (post/ant) compartment to the (post/ant) compartment.

A

X = ulnar

Anterior to posterior

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19
Q

How many cutaneous branches originate from radial nerve in Brachium? List them.

A

3 cutaneous branches:

  1. Lower lateral brachial cutaneous
  2. Posterior brachial cutaneous
  3. Posterior antebrachial cutaneous
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20
Q

As the radial nerve travels down the Brachium, it innervates (X) before traveling with which artery in which part of the humerus?

A

X = triceps

Travels with brachial profunda artery in spiral groove (to anterior compartment)

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21
Q

The radial nerve innervates (X) and (Y), right before dividing in front of (Z) of humerus.

A 
X = brachioradials 
Y = extensor carpi radialis longus 
Z = lateral epicondyle
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22
Q

Radial nerve eventually divides into which branches? What does each innervate?

A

Superficial (cutaneous to posterolateral hand)

Deep (muscular branch)

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23
Q

Anterior forearm muscles blood supply:

A

Superficial: Ulnar artery
Deep: anterior interosseous artery

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24
Q

Anterior forearm nerve supply:

A

Median nerve

EXCEPT: FCU and ulnar half FDP (ULNAR NERVE)

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25
Q

Muscles of superficial anterior forearm:

A
  1. Pronator Teres
  2. Palmaris longus
  3. Flexor carpi radialis
  4. Flexor carpi ulnaris
  5. Flexor digitorum superficialis
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26
Q

Deep muscles of the anterior forearm:

A
  1. Flexor pollicis longus
  2. Flexor digitorum profundus
  3. Pronator quadratus
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27
Q

Medial epicondyle is a common origin for which muscles?

A

All superficial muscles of anterior forearm

pronator teres, palmaris longus, flexor carpi radialis, flexor carpi ulnaris, and FDS

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28
Q

Blood supply of superficial muscles of posterior forearm:

A

Radial artery

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29
Q

Blood supply of deep muscles in posterior forearm:

A

Posterior interosseous artery

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30
Q

Nerve supply to posterior forearm:

A

Deep radial nerve

EXCEPT: brachioradialis and extensor carpi radialis longus (RADIAL NERVE)

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31
Q

Superficial muscles of the posterior forearm:

A
  1. Brachioradialis
  2. Extensor carpi radialis longus
  3. Extensor carpi radialis brevis
  4. Extensor carpi ulnaris
  5. Extensor digitorum
  6. Extensor digiti minimi
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32
Q

Which muscles have common origin on lateral epicondyle?

A

All extensors in superficial layer of posterior antebrachium EXCEPT brachioradialis

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33
Q

Deep muscles of the posterior forearm include:

A
  1. Supinator
  2. Abductor pollicis longus
  3. Extensor pollicis longus
  4. Extensor pollicis brevis
  5. Extensor indicis
34
Q

Median nerve enters forearm between:

A

Two heads of pronator teres

35
Q

(X) muscle in the forearm is not found in all people, not really needed, and is formally termed a(n) (Y) muscle.

A 
X = Palmaris longus
Y = vestigial
36
Q

The ulnar nerve enters the forearm by passing between:

A

Two heads of flexor carpi ulnaris

37
Q

The only flexor of DIP, digits 2-5, is:

A

Flexor digitorum profundus

38
Q

Muscles sharing common origin on lateral supracondylar ridge:

A

Brachioradialis and extensor carpi radialis longus

39
Q

Muscles sharing common origin on lateral epicondyle:

A
  1. Extensor carpi radialis longus
  2. Extensor carpi radialis brevis
  3. Extensor digitorum
  4. Extensor digiti minimi
  5. Extensor carpi ulnaris
40
Q

Radial nerve enters forearm through which muscle(s)?

A

Supinator

41
Q

Which part of the radius acts as a pulley for (X) muscle?

A

Dorsal tubercle

X = extensor pollicis longus

42
Q

Wrist abduction/adduction occurs via combined efforts of:

A

Flexor and extensor carpi radialis (abduction) and ulnaris (adduction)

43
Q

The brachial artery divides in the:

A

Cubital fossa

44
Q

The radial artery travels under (X) muscle, entering the forearm.

A

X = brachioradialis

45
Q

The radial recurrent artery anastomoses with (X) on (ant/post) side of:

A

X = anterior collateral artery

On anterior side of lateral elbow

46
Q

The ulnar artery travels between (X) muscle(s).

A

X = FCU and FDP

47
Q

The anterior ulnar recurrent artery anastomoses with (X). And the posterior ulnar recurrent with (Y).

Where does each occur, with respect to the elbow joint?

A

X = inferior ulnar collateral (anterior to medial elbow)

Y = superior ulnar collateral (posterior to medial elbow)

48
Q

The ulnar artery eventually gives off a branch (X), which subsequently divides into:

A

X = common interosseous artery

Divides into anterior and posterior interosseous arteries

49
Q

The posterior interosseous artery has a recurrent artery that anastomoses with:

A

Posterior collateral artery

50
Q

The cephalic vein pierces (X) at the top of the (Y) to enter the (Z) vein.

A 
X = clavipectoral fascia
Y = deltopectoral groove
Z = axillary
51
Q

The cephalic and basilic veins are connected by (X) at the (Y).

A 
X = medial cubital vein
Y = cubital fossa
52
Q

The basilic vein pierces (X) and joins (Y) vein.

A 
X = fascia
Y = brachial
53
Q

The median nerve enters the Antebrachium through (X), traveling between which muscle(s)?

A

X = pronator teres

Travels between FDS and FDP

54
Q

The median nerve gives off which branches in the antebrachium? Where does each respective branch go?

A
  1. Articular branch (elbow)
  2. Muscular branch (flexors)
  3. Palmar cutaneous branch (lateral palm and thenar eminence)
55
Q

The ulnar nerve gives off which branches in the antebrachium? What does each respective branch supply?

A
  1. Articular branch (elbow)
  2. Muscular branch (FCU and ulnar half of FDP)
  3. Cutaneous (ulnar side of hand, dorsal fingers, hypothenar eminence)
56
Q

The ulnar nerve enters the antebrachium through (X), traveling between which muscle(s)?

A

X = FCU

Travels between FCU and FDP (with ulnar artery)

57
Q

The radial nerve innervates which muscle(s) in posterior antebrachium?

A

Brachioradialis, extensor carpi radialis longus

58
Q

After innervating the muscle(s) in the posterior antebrachium, the radial nerve divides into:

A

Superficial and deep branches

59
Q

The superficial branch of the radial nerve travels under (X) with (Y) nerve.

A 
X = brachioradialis
Y = radial (proper)
60
Q

What does the superficial branch of the radial nerve innervate in the forearm?

A

Nothing

61
Q

The deep branch of the radial nerve travels through (X) to innervate:

A

X = supinator

Innervates posterior compartment of forearm

62
Q

In the cubital fossa, the brachial artery is deep to (X), which protects it.

A

X = bicipital aponeurosis

63
Q

The (X) vein is superficial to the bicipital aponeurosis.

A

X = median cubital

64
Q

Stability of the elbow joint can be attributed to:

A
  1. Ligaments
  2. Capsule
  3. Bone shapes
  4. Muscles
65
Q

There is a total of (X) elbow joints. How many are pivot? How many hinge? How many ball in socket?

A

X = 3
2 hinge joints
1 pivot joint

66
Q

The names of the elbow joint(s):

A
  1. Humeroulnar
  2. Humeroradial
  3. Proximal radioulnar
67
Q

The stabilizing collateral ligament for the humeroulnar joint is termed:

A

Medial (ulnar) collateral ligament

68
Q

The humeroulnar joint is between (X) of the humerus and (Y) of the ulna:

A 
X = trochlea
Y = trochlear notch
69
Q

What are the parts of the ulnar collateral ligament? What does each part connect?

A
  1. Anterior (medial epicondyle to coronoid)
  2. Posterior (medial epicondyle to olecranon)
  3. Oblique (olecranon to coronoid)
70
Q

The stabilizing collateral ligament for the humeroradial joint is termed:

A

Lateral (radial) collateral ligament

71
Q

The humeroradial joint is between (X) of the humerus and (Y) of the radius:

A 
X = capitulum
Y = head
72
Q

What specifically does the radial collateral ligament attach to/connect?

A

From lateral epicondyle to annular ligament

73
Q

The proximal radioulnar joint connects:

A

The radial head to the radial notch (on ulna)

74
Q

The stabilizing ligament(s) for the proximal radioulnar joint are termed:

A
  1. Annular ligament

2. Quadrate ligament

75
Q

Explain the attachment of the annular and quadrate ligaments.

A

Annular: from radial notch, circles head of radius

Quadrate: from radial notch, attaches to head of radius

76
Q

Abduction of elbow is prevented by (X) ligament.

A

Medial (ulnar) collateral ligament

77
Q

Adduction of elbow is prevented by (X) ligament.

A

Lateral (radial) collateral ligament

78
Q

List the radioulnar joints:

A
  1. Proximal/Superior
  2. Middle
  3. Distal/Inferior
79
Q

Which radioulnar joint(s) is /are syndesmoses?

A

The middle

80
Q

Which radioulnar joint(s) is /are pivot?

A

Proximal and Distal

81
Q

The distal radioulnar joint connects:

A

The ulnar head and the radius

82
Q

TFCC stands for (X) and represents:

A

X = triangular fibrocartilage complex

Represents the distal radioulnar joint

GA Lecture NVB (12 decks)

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