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Gross Anatomy > Humerus/ BP > Flashcards

Humerus/ BP Flashcards

1
Q

What is the innervation of the subclavius ?

A

Nerve to the subclavius (C5-C6)

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2
Q

What is the space between the arm and the chest wall, which is in the shape of a truncated pyramid ?

A

Axilla

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3
Q

What is the apex of the axilla

A

Clavicle scapula and 1st rib.

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4
Q

What is the base of the axilla made up of ?

A

Skin and fascia

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5
Q

What makes up the anterior wall of the axilla

A

Pectoralis major

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6
Q

What makes up the posterior wall of the axilla

A

Latissimus Dorsi and teres Major

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7
Q

What makes up the medial wall of the axilla

A

Serratus anterior and upper ribs

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8
Q

What makes up the lateral wall of the axilla

A

Proximal medial ascpect of the arm ( bicipital Furrow)

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9
Q

what space is an important passageway between the upper extremity and the neck?

A

Axilla

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10
Q

What nerve descends down the back, deep to the rhomboid and levator scapula

A

Dorsal Scapular nerve

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11
Q

What is the dorsal nerve’s segmental innervation

A

C5

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12
Q

What is the Dorsal scapular nerve’s motor supply ?

A

Levator scapular and Rhomboid major and minor

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13
Q

What is the articular supply to the acromioclavicular joint ?

A

Dorsal scapular supply

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14
Q

What nerve descends posteriorly from the spinal nerves and forms the plexus to the anterior lateral aspect of the thoracic sage ?

A

Long thoracic nerve.

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15
Q

What is the long thoracic nerves segmental innervation ?

A

C5, C6,C7

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16
Q

What is the long Thoracic nerves motor supply

A

serratus anterior

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17
Q

What nerve passes laterally across the cervical region Deep to the trapezius) and deep to the muscles associated with the posterior aspect of the scapula ?

A

Subscapular nerve

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18
Q

What is the suprascapular nerve segmental innervation?

A

C5 and C6

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19
Q

What is the suprascapular nerve’s motor supply ?

A

infraspinatus and supraspinatus.

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20
Q

what is the suprascapular nerves articular supply

A

Shoulder joint and acromioclavicular joint.

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21
Q

What nerve descends posteriorly to the clavicle

A

Nerve to the subclavius

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22
Q

What is another name for the nerve to the subclavius

A

Accessory phrenic nerve

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23
Q

What is the nerve to the subclavius segmental innervation ?

A

C5 and C6

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24
Q

What is the nerve to subclavius motor supply

A

Subclavius and diaphragm

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25
Q

what Is the nerve to the subclavius articular supply

A

sternoclavicular joint

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26
Q

What nerve is the first nerve to come off the lateral cord

A

Lateral pectoral nerve

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27
Q

What is the lateral pectoral nerves segmental innervation?

A

C5 C6 C7

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28
Q

What is the lateral pectoral nerve’s motor supply ?

A

Pectoralis Major

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29
Q

What leaves the axilla and passes through the belly of the coracobrachialis and then then runs between the ​biceps brachii and brachialis muscles

A

Musculocutaneous Nerve

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30
Q

segmental innervation is for Musculocutaneous Nerve

A

C5, C6, C7

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31
Q

motor supply for the Musculocutaneous Nerve

A

​coracobrachialis, biceps brachii and brachialis

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32
Q

articular supply of the Musculocutaneous Nerve

A

Elbow joint

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33
Q

cutaneous supply of the Musculocutaneous Nerve

A

lateral aspect of the forearm

34
Q

What nerve is the first nerve to come off the medial cord ?

A

Medial pectoral nerve.

35
Q

What is the medial pectoral nerves segmental innervation

A

C8, T1

36
Q

What is the medial pectoral nerve’s motor supply ?

A

Pectoralis major and minor

37
Q

What is the medial brachial cutaneous nerves segmental innervation?

A

T1

38
Q

What is the medial brachial cutaneous nerve’s cutaneous supply

A

Medial aspect of the arm.

39
Q

What is the medial antebrachial cutaneous nerves segmental innervation?

A

C8 and T1

40
Q

What is the medial antebrachial cutaneous nerves cutaneous supply

A

Medial aspect of the forearm.

41
Q

What is the ulnar nerves segmental innervation?

A

C8 to T1

42
Q

What is the ulnar nerve’s motor supply

A

Flexor carpi ulnaris

flexor digitorum profundus; muscle associated with the fifth digit—-> hypthenar muscles

43
Q

What is the ulnar nerves articular supply

A

Elbow and wrist joint

44
Q

What is the ulnar nerves cutaneous supply?

A

1/4 medial aspect of the palm and dorsum of the hand; skin of digits five part of the digit four.

45
Q

What is the median nerves segmental innervation

A

C6, C7,C8 T1

46
Q

What is the median nerve motor supply?

A

anterior forearm (pronator teres, flexor carpi radialis, palmaris longus, flexor digitorum superficialis, flexor pollicis longus, pronator quadratus and half of the flexor digitorum profundus; ​​most of the muscles associated with the ​first digit (thumb)​​, which are known collectively as the ​thenar muscles ●

47
Q

What is the median Nerve articular supply

A

Elbow and joint

48
Q

What is the median nerves cutaneous supply?

A

​lateral ¾ of the palmar surface of the palm and the skin of the first 3 ½ digits (palmar and dorsal aspects)

49
Q

What is the upper subscapular nerves segmental innervation?

A

C5

50
Q

What is the upper nerve’s motor supply ?

A

Subscapularis

51
Q

Lower Subscapular nerves segmental innervation?

A

C6

52
Q

What is the lower subscapular nerve’s motor supply

A

Subscapularis and teres major

53
Q

What is the thoracodorsal Nerve’s segmental innervation ?

A

C6 C7 C8

54
Q

What is the thoracodorsal nerves motor supply

A

Latissimus Dorsi

55
Q

What is the axillary nerves segmental innervation

A

C5 C6

56
Q

What is the axillary nerves motor supple

A

Deltoid and teres minor

57
Q

What is the axillary nerves articular supply ?

A

the Shoulder joint and acromioclavicular joint.

58
Q

What is the axillary nerves cutaneous supply

A

Lateral aspect of the arm

59
Q

What is the radial nerves segmental innervation?

A

c5 c6 c7 c8 t1

60
Q

What is the radial nerve’s motor supply

A

triceps brachii and anconeus all the posterior forearm muscle

61
Q

What is the radial nerves articular supply

A

Elbow and wrist

62
Q

What is the radial nerves cutaneous supply

A

Posterior arm and forearm; dorsum of the hand, small area of the skin below the thumb on the palmer aspect of the hand.

63
Q

What nerve is the dermatome for the skin over the skin over the tip of the shoulder ( acromion process)

A

C4

64
Q

What nerve is the dermatome for the skin of the lateral ( radial ) side of the arm?

A

C5

65
Q

What nerve is the dermatome for the skin the lateral ( radial) side of the forarm; digits 1 and 2

A

C6

66
Q

What nerve is the dermatome for the skin of palmer; digits 2 , 3, 4 ?

A

C7

67
Q

What nerve is the dermatome for the skin of the medial (ulnar) side of the forearm digit 5 ?

A

C8

68
Q

What nerve is the dermatome for the skin of the medial ( ulnar) side of the arm ?

A

T1

69
Q

What nerve is the dermatome for the skin of the axilla?

A

T2

70
Q

What word describes complete loss of muscular movement ?

A

Paralysis

71
Q

Movement can be performed but is weak

A

Paresis

72
Q

Paralysis

A

Complete loss of muscular movement

73
Q

Partial or complete loss of the sensation with or without loss of consciousness

A

Anesthesia

74
Q

Anesthesia

A

Partial or complete loss of the sensation with or without loss of consciousness

75
Q

Loss of cutaneous sensation

A

Paresthesia

76
Q

How many primary secondary ossification centers does the humerus have?

A

1 primary and 7 secondary.

77
Q

Where is the primary ossification center of the humerus

A

the Shaft and develops very early in fetal development.

78
Q

Where are the secondary ossification centers of the humerus

A

centers of the head, greater and lesser tuberosity, medial epicondyle lateral epicondyle capitulum trochlea

79
Q

What are the main areas of the humerus that prone to fracture

A

anatomical and surgical necks, greater and lesser tubercles shaft and distal and medial epicondyle

80
Q

what do fracture at the surgical neck of the humerus endanger

A

axillary nerve and humeral circumflex blood vessels.

Gross Anatomy (14 decks)

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