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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
what Is the nerve to the subclavius articular supply
sternoclavicular joint
26
What nerve is the first nerve to come off the lateral cord
Lateral pectoral nerve
27
What is the lateral pectoral nerves segmental innervation?
C5 C6 C7
28
What is the lateral pectoral nerve's motor supply ?
Pectoralis Major
29
What leaves the axilla and passes through the belly of the coracobrachialis and then then runs between the ​biceps brachii and brachialis muscles
Musculocutaneous Nerve
30
segmental innervation is for Musculocutaneous Nerve
C5, C6, C7
31
motor supply for the Musculocutaneous Nerve
​coracobrachialis, biceps brachii and brachialis
32
articular supply of the Musculocutaneous Nerve
Elbow joint
33
cutaneous supply of the Musculocutaneous Nerve
lateral aspect of the forearm
34
What nerve is the first nerve to come off the medial cord ?
Medial pectoral nerve.
35
What is the medial pectoral nerves segmental innervation
C8, T1
36
What is the medial pectoral nerve's motor supply ?
Pectoralis major and minor
37
What is the medial brachial cutaneous nerves segmental innervation?
T1
38
What is the medial brachial cutaneous nerve's cutaneous supply
Medial aspect of the arm.
39
What is the medial antebrachial cutaneous nerves segmental innervation?
C8 and T1
40
What is the medial antebrachial cutaneous nerves cutaneous supply
Medial aspect of the forearm.
41
What is the ulnar nerves segmental innervation?
C8 to T1
42
What is the ulnar nerve's motor supply
Flexor carpi ulnaris | flexor digitorum profundus; muscle associated with the fifth digit----> hypthenar muscles
43
What is the ulnar nerves articular supply
Elbow and wrist joint
44
What is the ulnar nerves cutaneous supply?
1/4 medial aspect of the palm and dorsum of the hand; skin of digits five part of the digit four.
45
What is the median nerves segmental innervation
C6, C7,C8 T1
46
What is the median nerve motor supply?
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
What is the median Nerve articular supply
Elbow and joint
48
What is the median nerves cutaneous supply?
​lateral ¾ of the palmar surface of the palm and the skin of the first 3 ½ digits (palmar and dorsal aspects)
49
What is the upper subscapular nerves segmental innervation?
C5
50
What is the upper nerve's motor supply ?
Subscapularis
51
Lower Subscapular nerves segmental innervation?
C6
52
What is the lower subscapular nerve's motor supply
Subscapularis and teres major
53
What is the thoracodorsal Nerve's segmental innervation ?
C6 C7 C8
54
What is the thoracodorsal nerves motor supply
Latissimus Dorsi
55
What is the axillary nerves segmental innervation
C5 C6
56
What is the axillary nerves motor supple
Deltoid and teres minor
57
What is the axillary nerves articular supply ?
the Shoulder joint and acromioclavicular joint.
58
What is the axillary nerves cutaneous supply
Lateral aspect of the arm
59
What is the radial nerves segmental innervation?
c5 c6 c7 c8 t1
60
What is the radial nerve's motor supply
triceps brachii and anconeus all the posterior forearm muscle
61
What is the radial nerves articular supply
Elbow and wrist
62
What is the radial nerves cutaneous supply
Posterior arm and forearm; dorsum of the hand, small area of the skin below the thumb on the palmer aspect of the hand.
63
What nerve is the dermatome for the skin over the skin over the tip of the shoulder ( acromion process)
C4
64
What nerve is the dermatome for the skin of the lateral ( radial ) side of the arm?
C5
65
What nerve is the dermatome for the skin the lateral ( radial) side of the forarm; digits 1 and 2
C6
66
What nerve is the dermatome for the skin of palmer; digits 2 , 3, 4 ?
C7
67
What nerve is the dermatome for the skin of the medial (ulnar) side of the forearm digit 5 ?
C8
68
What nerve is the dermatome for the skin of the medial ( ulnar) side of the arm ?
T1
69
What nerve is the dermatome for the skin of the axilla?
T2
70
What word describes complete loss of muscular movement ?
Paralysis
71
Movement can be performed but is weak
Paresis
72
Paralysis
Complete loss of muscular movement
73
Partial or complete loss of the sensation with or without loss of consciousness
Anesthesia
74
Anesthesia
Partial or complete loss of the sensation with or without loss of consciousness
75
Loss of cutaneous sensation
Paresthesia
76
How many primary secondary ossification centers does the humerus have?
1 primary and 7 secondary.
77
Where is the primary ossification center of the humerus
the Shaft and develops very early in fetal development.
78
Where are the secondary ossification centers of the humerus
centers of the head, greater and lesser tuberosity, medial epicondyle lateral epicondyle capitulum trochlea
79
What are the main areas of the humerus that prone to fracture
anatomical and surgical necks, greater and lesser tubercles shaft and distal and medial epicondyle
80
what do fracture at the surgical neck of the humerus endanger
axillary nerve and humeral circumflex blood vessels.

Gross Anatomy (14 decks)

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