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Anatomy Test Three Material > Elbow, Cubital Fossa, and Forearm > Flashcards

Elbow, Cubital Fossa, and Forearm Flashcards

(51 cards)

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1
Q

Specifically what is the elbow joint?

A

Trochlear notch of ulna and trochlea of humerus, and head of radius capitulum of humerus

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2
Q

Specifically what is the proximal radio-ulna joint?

A

Head of radius and radial notch of ulna

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3
Q

The articular surfaces of the bones in the elbow joint are covered with what?

A

Hyaline cartilage

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4
Q

What are the three elbow ligaments?

A

Radial collateral ligament, anular ligament, and ulnar collateral ligament

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5
Q

The radial collateral ligament resists what force?

A

Resists varus (from midline) forces

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6
Q

The unar collateral ligament resists what force?

A

Resists valgar (toward midline) forces

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7
Q

What is nursemaid elbow?

A

Dislocation of radial head from anular ligament

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8
Q

Superior ulnar collateral artery connects to what?

A

Posterior ulnar recurrent artery

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9
Q

Inferior ulnar collateral artery connects to what?

A

Anterior ulnar recurrent artery

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10
Q

Radial collateral artery connects to what?

A

Radial recurrent artery

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11
Q

Middle collateral artery connects to what?

A

Recurrent interosseous artery

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12
Q

What are the boundaries of the cubital fossa?

A

Base: imaginary
Lateral: brachioradialis muscle
Medial: pronator teres muscle

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13
Q

What is contained in the cubital fossa?

A

TAN; Tendon of biceps brachii, brachial Artery, and median Nerve

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14
Q

What is in the roof of the cubital fossa?

A

Median cubital vein, cephalic vein, basilic vein, medial and lateral cutaneous nerve of the forearm, and bicipital aponeurosis

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15
Q

What are the two joints of the forearm?

A

Distal radio-ulnar joint and interosseous membrane

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16
Q

What are the four muscles of the superficial anterior compartment of the forearm?

A

Pronator teres, flexor carpi radialis, palmeris longus, and flexor carpi ulnaris

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17
Q

What is the muscle in the intermediate compartment of the anterior forearm?

A

Flexor digitorum superficialis

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18
Q

What are the three muscles of the deep compartment of the anterior forearm?

A

Flexor digitorum profundus, Flexor pollicis longus, and pronator quadratus

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19
Q

For our purpose what is contained in the carpel tunnel?

A

Basically four structures: The tendons of flexor digitorum superficialis, flexor digitorum profundus, flexor pollicis longus, and the median nerve (ten total things)

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20
Q

The superficial layer of the posterior compartment of the forearm contains what muscles? 7

A

Anconeus, brachioradialis, extensor carpi radialis longus, extensor carpi radialis brevis, extensor digitorum, extensor digiti minimi, and extensor carpi ulnaris

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21
Q

The deep layer of the posterior compartment of the forearm contains what muscle? 5

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A

Supinator, abductor pollicis longus, extensor pollicis brevis, extensor pollicis longus, and extensor indicis

22
Q

Why is the brachioradialis an exception to the muscles in the posterior compartment of the arm?

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A

It is a flexor and all the other muscles are extensors

23
Q

The posterior compartment of the arm is innervated by what?

24
Q

What muscle of the anterior compartment of the forearm is absent in 15% of the population and may ust be present unilaterally?

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A

Flexor carpi radialis

25
What muscles of the anterior compartment of the arm are innervated by the median nerve? 7
Pronator quadratus, flexor pollicis longus, flexor digitorum profundus (digits 2-3), flexor digitorum superficialis, flexor carpi radialis, palmaris longus, and pronator teres
26
What muscles of the anterior compartment of the arm are innervated by the ulnar nerve? 2
flexor carpi ulnaris and medial half of flexor digitorum profundus (digits 4-5)
27
What is the action of pronator teres muscle?
Pronate the forearm?
28
What is the action of flexor carpi radialis muscle?
Flexion and abduction
29
What is the action of palmeris longus muscle?
Flex wrist and tense aponeurosis
30
What is the action of flexor carpi ulnaris muscle?
flex and adduct wrist
31
What is the action of flexor digitorum superficialis muscle?
Quick flexion of proximal interphalangeal joints (PIPs) and metacarpophalageal joints (MPs) of digits 2-5
32
What is the action of flexor digitorum profundus muscle?
Slow flexion of distal interphalangeal joints (DIPs) and metacarpophalangeal joints (MPs) of digits 2-5
33
What is the action of flexor pollicis longus muscle?
Flex the interphalangeal and metacarpophalangeal joints (MP)
34
What is the action of pronator quadratus muscle?
Pronation
35
Generally the posterior compartment of the forearm muscles are associated with movement of the 1)______, 2)______ of the digits, and 3)______
1) wrist joint 2) extension 3) supination
36
What is the action of bracioradialis muscle?
Accessory flexor at elbow
37
What is the action of anconeus muscle?
Accessory extensor at elbow joint
38
What is the action of extensor carpi radialis longus muscle?
Extends and abducts wrist
39
What is the action of extensor carpi radialis brevis muscle?
Extends and abducts wrist
40
What is the action of lateral epicondyle muscle?
Extends digits 2-5
41
What is the action of extensor digiti minimi muscle?
Extend digit 5
42
What is the action of extensor carpi ulnaris muscle?
Extend and adduct wrist
43
What is the action of supinator muscle?
Supination
44
What is the action of abductor policis longus muscle?
Abducts first metacarpophalangeal joint (of thumb)
45
What is the action of extensor pollicis brevis muscle?
Extend metacarpophalangeal joint of first digit
46
What is the action of extensor pollicis longus muscle?
Extend all joints of thumb
47
What is the action of extensor indicis muscle?
Extend index finger
48
What are the three main nerves of the forearm
Median, ulnar, and radial nerves
49
The radial nerve splits into what?
Deep (muscular) and superficial (cutaneous) branches
50
What two veins arise from the dorsal venous plexus of the hand?
Basilic and cephalic veins
51
What vein of the arm is commonly used to draw blood?
Median cubital vein

Anatomy Test Three Material (12 decks)

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