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Mia's Anatomy: Unit 3 > Elbow, cubital fossa, and forearm > Flashcards

Elbow, cubital fossa, and forearm Flashcards

1
Q

Trochlear notch of ulna & trochlea of humerus +

Head of radius & capitulum of humerus

A

Elbow joint

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2
Q

Head of radius &

Radial notch of ulna

A

Proximal radio-ulnar joint

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3
Q

Motions of the true elbow joint

A

Hinge-like flexion and extension

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4
Q

Motions of the Proximal radio-ulnar joint

A

Pronation and Supination

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5
Q

Found between synovial and fibrous membranes

A

fat pads

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6
Q

around articular cartilage in the elbow

A

Synovial membrane

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7
Q

Which ligament is considered to be extrinsic with the fibrous joint capsule

A

Anular ligament

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8
Q

intrinsic ligaments and support flexion and extension.

A

Radial and ulnar collateral ligaments

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9
Q

Elbow ligament that resists varus (from midline) forces

A

Radial Collateral (RCL)

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10
Q

Elbow ligament that resists valgus (toward midline) forces

A

Ulnar Collateral (UCL)

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11
Q

radial head subluxation

A

Nursemaid Elbow

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12
Q

Forms from the axillary after crossing Teres majors

A

Brachial a

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13
Q

Radial collateral artery

anastomoses around elbow with

A

Radial recurrent artery

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14
Q

Middle collateral artery

anastomoses around elbow with

A

Recurrent interosseous artery

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15
Q

Superior ulnar collateral artery

anastomoses around elbow with

A

Posterior ulnar recurrent artery

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16
Q

Inferior ulnar collateral artery

anastomoses around elbow with

A

Anterior ulnar recurrent artery

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17
Q

The lateral boundary of the cubital fossa is the

A

Brachioradialis muscle

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18
Q

The medial boundary of the cubital fossa is the

A

Pronator teres muscle

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19
Q

The floor of the cubital fossa is formed by the

A

brachialis muscle

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20
Q

An imaginary line connects the medial and lateral epicondyles forms the

A

base of cubital fossa

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21
Q

Your elbow put is

A

Cubital fossa

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22
Q

located anterior to the elbow joint, is triangular, and transmits several notable structures

A

Cubital fossa

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23
Q

originates on the lateral supra-epicondylar ridge of the humerus (the area just above the lateral epicondyle).

A

Brachioradialis muscle

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24
Q

originates on the medial epicondyle of the humerus.

A

Pronator teres muscle

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25
Q

What do you use to remember the contents that are transmitted through the cubital fossa

A

TAN from lateral to medial

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26
Q

Contents of the cubital fossa

A
  • Tendon of biceps brachii
  • Brachial artery
  • Median nerve
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27
Q

How does the median nerve leave the cubital fossa

A

Leaves through the 2 heads of pronator teres

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28
Q

deep to the brachioradialis muscle and around the area of the cubital fossa it splits into the superficial and deep branches

A

Radial nerve

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29
Q

Stays deep to brachiorandialis until it emerges at the wrist

A

Superficial brach of the radial nerve

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30
Q

Passes between the two heads of the supinator muscle to supply the muscles of the posterior compartment of the forearm.

A

Deep branch of the radial nerve

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31
Q

Passes posterior to the medial epicondyle of the humerus.

A

Ulnar nerve

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32
Q

Only major structures transmitted through the elbow that passes posteriorly

A

Ulnar nerve

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33
Q

What vein is often used for venipuncture

A

Medial cubital vein

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34
Q

A direct branch off the medial cord of the brachial plexus

A

Medial cutaneous nerve

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35
Q

The lateral cutaneous nerve of the forearm is the continuation of the

A

Musculocutaneous nerve

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36
Q

Terminal branch of the brachial plexus

A

Musculocutaneous nerve

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37
Q

The cephalic and basilic veins originate from the

A

Dorsal venous network on the dorsum of the hand

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38
Q

Communicating branch between cephalic vein and basilic vein

A

Median cubital vein

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39
Q

no valve and its position prevents rolling.

A

Blood draw from median cubital

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40
Q

Between the subcutaneous structures and the contents of the cubital fossa is the

A

Bicipital aponeurosis

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41
Q

provides some protection for the brachial artery and median nerve during venipuncture in the cubital fossa

A

Bicipital aponeurosis

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42
Q

the skin, superficial fascia, superficial veins, deep fascia and the bicipital aponeurosis.

A

Roof of the cubital fossa

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43
Q

Two bones for the forearm

A

Radius and ulna

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44
Q

Bone of forearm that is lateral

A

Radius

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45
Q

Is the distal radio-ulnar joint the wrist joint?

A

NO

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46
Q

Separate articulation between the radius, the articular disc over the ulna, the scaphoid, lunate, and triquetrum

A

The wrist

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47
Q

Allows for movement of the radius against the ulna during pronation and supination.

A

The proximal radio-ulnar joint

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48
Q

Separates the ulna from directly articulating in the wrist joint.

A

Articular disc

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49
Q

What type of tissue is the interosseous membrane

A

Dense regular connective tissue

50
Q

What do the openings in the interosseous membrane allow for

A

Passage of vessels

51
Q

aid in transferring force from the hand to radius to ulna to humerus.

A

Interosseous membrane

52
Q

Will weakly flex the elbow, flex the wrist, flex the digits, and pronate the hand.

A

Muscles of the anterior compartment

53
Q

Will weakly extend the elbow, extend the wrist, extend the digits, and supinate the hand.

A

Muscles of the posterior compartment

54
Q

All muscles of the anterior compartment of the forearm are innervated by

A

The median nerve

55
Q

All muscles of the anterior compartment of the forearm are innervated by the median nerve except for

A

Flexor carpi ulnaris and the medial half of flexor digitorum profundus.

56
Q

What are the 4 muscles of the superficial layer of the forearm

A
  • Pronator teres
  • Flexor carpi radialis
  • Palmaris longus
  • Flexor carpi ulnaris
57
Q

Common tendon where all 4 muscles of the superficial layer originate

A

Common tendon on the medial epicondyle of humerus

58
Q

What is the flexor carpi ulnaris innervated by?

A

Ulnar nerve

59
Q

Muscle of the superficial layer of anterior forearm

A

Pronator teres

60
Q

What forms the medial border of the cubital fossa

A

Pronator teres

61
Q

What is the action of the pronator teres?

A

Pronate the forearm

62
Q

What innervates the pronator teres?

A

Median nerve

63
Q

What is the action of Flexor carpi radialis?

A

Flexion and abduction of wrist

64
Q

What is the innervation of Flexor carpi radialis?

A

Median nerve

65
Q

What is the action of Palmaris longus?

A

Flex wrist and tense aponeurosis

66
Q

How does the flexion of palmaris longus work?

A

Tenses the palm to help improve grip by resisting shearing forces

67
Q

What is the innervation of Palmaris longus?

A

Median nerve

68
Q

What muscle is absent is 15% of the population?

A

Palmaris longus

69
Q

Muscle of the superficial layer that has two heads

A

Pronator teres

70
Q

What passes between the two heads of pronator teres?

A

Median nerve

71
Q

Action of pronator teres?

A

Pronate the forearm

72
Q

Innervation of pronator teres

A

Median nerve

73
Q

What is the action of the flexor carpi ulnaris

A

Flex and adduct the wrist

74
Q

What innervates flexor carpi ulnaris

A

Ulnar nerve

75
Q

Muscle of the intermediate layer of the anterior compartment of the forearm

A

Flexor digitorum superficialis

76
Q

Muscle of the intermediate layer that has 2 heads

A

Flexor digitorum superficialis

77
Q

2 muscle heads of Flexor digitorum superficialis give rise to

A

4 tendons

78
Q

Where do the 4 tendons of Flexor digitorum superficialis insert

A

Phalanges of digits 2-5

79
Q

quick flexion of proximal interphalangeal joints (PIPs) & metacarpophalangeal joints (MPs) of digits 2-5.

A

Action of flexor digitorum superficialis

80
Q

What innervates the flexor digitorum superficialis

A

Median nerve

81
Q

Diving deep between the two heads of the flexor digitorum superficialis are the

A

Ulnar artery and median nerve

82
Q

Digits 2-3 are innervated by

A

Median nerve

83
Q

Digits 4-5 are innervated by the

A

Ulnar nerve

84
Q

Action of the Flexor pollicis longus

A

Flex the interphalangeal and MP joints

85
Q

Innervation of the Flexor pollicis longus

A

Median nerve

86
Q

Action of the pronator quadratus

A

Pronation

87
Q

Innervation of the pronator quadratus

A

Median nerve

88
Q
  • tendons of flexor digitorum superficialis
  • flexor digitorum profundus
  • flexor pollicis longus
  • the median nerve
A

What passes through the carpel tunnel

89
Q
  • Anconeus
  • Brachioradialis
  • Extensor carpi radialis longus
  • Extensor carpi radialis brevis
  • Extensor digitorum
  • Extensor digiti minimi
  • Extensor carpi ulnaris
A

Muscles of the superficial layers of the posterior compartment of the forearm

90
Q
  • Supinator
  • Abductor pollicis longus
  • Extensor pollicis brevis
  • Extensor pollicis longus
  • Extensor indicis
A

Muscles of the deep layer of the posterior compartment of the forearm

91
Q

Generally the posterior compartment muscles are associated with

A
  • Movement of the wrist joint
  • Extensions of the digits
  • Supination
92
Q

Action of the brachioradialis

A

Accessory flexor at elbow

93
Q

Innervation of brachioradialis

A

Radial nerve

94
Q

Action of the anoconeus

A

-Accessory extensor at elbow joint

95
Q

Innervation of aconeus

A

Radial nerve

96
Q

Action of Extensor carpi radialis longus

A

Extends and abducts wrist

97
Q

Innervation of Extensor carpi radialis longus

A

Radial nerve

98
Q

Action of Extensor carpi radialis brevis

A

Extends and abducts wrist

99
Q

Innervation of Extensor carpi radialis brevis

A

Radial nerve

100
Q

Action of Extensory digitorum

A

Extends digits 2-5

101
Q

Innervation of extensory digitorum

A

Radial nerve

102
Q

Action of Extensor digiti minimi

A

Extend digit 5

103
Q

Innervation of Extensor digiti minimi

A

Radial nerve

104
Q

Action of Extensor carpi ulnaris

A

Extend and adduct wrist

105
Q

Innervation of

Extensor carpi ulnaris

A

Radial nerve

106
Q

Action of supinator

A

Supination

107
Q

Innervation of supinator

A

Radial nerve

108
Q
  • Abductor pollicis longus
  • Extensor pollicis brevis
  • Extensor pollicis longus
A

Outcropping muscles that act on thumb

109
Q

Action of Abductor pollicis longus

A

Abducts 1st MP joint of thumb

110
Q

Innervation of Abductor pollicis longus

A

Radial nerve

111
Q

located within the hand in the thenar eminence

A

Abductor pollicis brevis

112
Q

Action of Extensor pollicis brevis

A

Extend MP joint of 1st digit

113
Q

Innervation of Extensor pollicis brevis

A

Radial nerve

114
Q

Action of Extensor pollicis longus

A

Extends all joints of thumb

115
Q

Innervation of Extensor pollicis longus

A

Radial nerve

116
Q

Action of extensory indicis

A

Extends index finger

117
Q

Innervation of extensory indicis

A

Radial nerve

118
Q

Not one of the outcropping muscles, but is still a muscle of the deep layer.

A

Extensor indicis

119
Q

not one of the outcropping muscles, but is still a muscle of the deep layer.

A

Carpel tunnel

120
Q

enters forearm posterior to medial epicondyle (“funny bone”). Passes between the heads of flexor carpi ulnar and runs between that muscle and the lateral aspect of flexor digitorum profundus (innervating them both). It crosses the wrist superficially

A

Ulnar nerve

121
Q

splits into deep (muscular) and superficial (cutaneous) branches

A

Radial nerve

Mia's Anatomy: Unit 3 (7 decks)

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