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

Elbow, Cubital Fossa, and Forearm Flashcards

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

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?

A

It is a flexor and all the other muscles are extensors

23
Q

The posterior compartment of the arm is innervated by what?

A

Radial nerve

24
Q

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

A

Flexor carpi radialis

25
Q

What muscles of the anterior compartment of the arm are innervated by the median nerve? 7

A

Pronator quadratus, flexor pollicis longus, flexor digitorum profundus (digits 2-3), flexor digitorum superficialis, flexor carpi radialis, palmaris longus, and pronator teres

26
Q

What muscles of the anterior compartment of the arm are innervated by the ulnar nerve? 2

A

flexor carpi ulnaris and medial half of flexor digitorum profundus (digits 4-5)

27
Q

What is the action of pronator teres muscle?

A

Pronate the forearm?

28
Q

What is the action of flexor carpi radialis muscle?

A

Flexion and abduction

29
Q

What is the action of palmeris longus muscle?

A

Flex wrist and tense aponeurosis

30
Q

What is the action of flexor carpi ulnaris muscle?

A

flex and adduct wrist

31
Q

What is the action of flexor digitorum superficialis muscle?

A

Quick flexion of proximal interphalangeal joints (PIPs) and metacarpophalageal joints (MPs) of digits 2-5

32
Q

What is the action of flexor digitorum profundus muscle?

A

Slow flexion of distal interphalangeal joints (DIPs) and metacarpophalangeal joints (MPs) of digits 2-5

33
Q

What is the action of flexor pollicis longus muscle?

A

Flex the interphalangeal and metacarpophalangeal joints (MP)

34
Q

What is the action of pronator quadratus muscle?

A

Pronation

35
Q

Generally the posterior compartment of the forearm muscles are associated with movement of the 1)______, 2)______ of the digits, and 3)______

A

1) wrist joint
2) extension
3) supination

36
Q

What is the action of bracioradialis muscle?

A

Accessory flexor at elbow

37
Q

What is the action of anconeus muscle?

A

Accessory extensor at elbow joint

38
Q

What is the action of extensor carpi radialis longus muscle?

A

Extends and abducts wrist

39
Q

What is the action of extensor carpi radialis brevis muscle?

A

Extends and abducts wrist

40
Q

What is the action of lateral epicondyle muscle?

A

Extends digits 2-5

41
Q

What is the action of extensor digiti minimi muscle?

A

Extend digit 5

42
Q

What is the action of extensor carpi ulnaris muscle?

A

Extend and adduct wrist

43
Q

What is the action of supinator muscle?

A

Supination

44
Q

What is the action of abductor policis longus muscle?

A

Abducts first metacarpophalangeal joint (of thumb)

45
Q

What is the action of extensor pollicis brevis muscle?

A

Extend metacarpophalangeal joint of first digit

46
Q

What is the action of extensor pollicis longus muscle?

A

Extend all joints of thumb

47
Q

What is the action of extensor indicis muscle?

A

Extend index finger

48
Q

What are the three main nerves of the forearm

A

Median, ulnar, and radial nerves

49
Q

The radial nerve splits into what?

A

Deep (muscular) and superficial (cutaneous) branches

50
Q

What two veins arise from the dorsal venous plexus of the hand?

A

Basilic and cephalic veins

51
Q

What vein of the arm is commonly used to draw blood?

A

Median cubital vein

Anatomy Test Three Material (12 decks)

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