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Extremities (2) > Spaces, Fossa, Brachial Muscles And Brachial Vessels > Flashcards

Spaces, Fossa, Brachial Muscles And Brachial Vessels Flashcards

1
Q

Borders of the quadrangular space

A

Teres minor
Teres major
Long head of triceps
Humerus

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2
Q

What goes through the quadrangular space

A

Axillary nerve

Posterior circumflex humeral vessels

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3
Q

Borders of the triangular space

A

Teres minor
Teres major
Long head of triceps

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4
Q

Contents of the triangular space

A

Circumflex scapular vessels

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5
Q

Borders of the triangular interval

A

Teres major
Long head of triceps
Lateral head of triceps

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6
Q

Contents of the triangular interval

A

Radial nerve

Deep brachial vessels (profound a brachii)

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7
Q

Anterior compartment of brachial muscles

A

Flexors of forearm:
Coracobrachialis
Biceps brachii (long and short head)
Brachialis

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8
Q

Innervation of the anterior brachial muscles

A

Musculocutaneous nerve

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9
Q

Median nerve and brachial artery run posterior and medial to the:

A

Coracobrachialis

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10
Q

_____ artery of humerus enters at distal end of the coracobrachialis

A

Nutrient

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11
Q

Coracobrachialis is pierced by:

A

Musculocutaneous nerve

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12
Q

OR, INS, NS, and AC of coracobrachialis m

A

OR: Coracoid process of scapula
INS: Medial surface of humerus
NS: Musculocutaneous
AC: Flexion and addiction of arm

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13
Q

OR, INS, NS, AC of Biceps brachii

A

OR: (2 heads) Short head: coracoid process of scapula. Long head: supraglenoid tubercle of scapula (passes through intertubercular sulcus under the transverse ligament)

INS: Radial tuberosity
Bicipital aponeurosis

NS: Musculocutaneous

AC: Flexes arm (weak)
Flexes forearm (stronger flexor with forearm at 90 degrees and supinate)
Supinates forearm (strongest forearm supinator with forearm at 90 degrees)
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14
Q

Workhorse of the anterior compartment- deep to biceps brachiii- pure flexor

A

Brachialis

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15
Q

OR, INS, NS, AC of Brachialis

A

OR: Anterior humerus

INS: Coranoid process of ulna (ulnar tuberosity)

NS: Musculocutaneous

AC: Flexes forearm

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16
Q

Posterior compartment of the brachial muscles (2)

A

Triceps (long head, lateral head, medial head)

Anconeus

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17
Q

Posterior compartment of the brachial muscles is innervated by the:

A

Radial nerve

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18
Q

OINA of Triceps brachii

A

OR: Long head- infraglenoid tubercle of scapula
Lateral head: posterior humerus, superior to the radial groove
Medial head: Posterior humerus, inferior to the radial groove

INS: Olecranon process of ulna

NS: Radial nerve

AC: Extends forearm
Extends and adducts arm (long head- weak)

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19
Q

OINA of Anconeus

A

OR: Lateral epicondyle of humerus

INS: Lateral olecranon of ulna
Posterior surface of the ulna

NS: Radial nerve

AC: Extends forearm
Tenses elbow joint capsule to prevent entrapment (keeps it from getting pinched)
Abducts the ulna during pronation

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20
Q

Triangular space of the elbow (anterior) with a roof and floor

A

Cubital fossa

21
Q

Boundaries of the cubital fossa

A

Superior: line from medial to lateral epicondyle

medial: common flexor forearm tendon and lateral border of pronator teres

Lateral: medial border of extensor tendon from lateral epicondyle- Brachioradialis

Floor: Brachialis and supinator

Roof: skin, median cubital vein, fat, fascia, and bicepital aponeurosis

22
Q

What runs through the cubital fossa

A

Medial to lateral:

Median nerve
Terminal brachial artery (radial and ulnar branches form at apex)
Biceps tendon
Deep radial nerve

23
Q

Brachial artery is below the

A

Median nerve

24
Q

Brachial artery and median nerve are located

A

Under bicipital aponeurosis

Over biceps brachii

25
Q

Deep radial nerve enters:

Becomes

A

Enters supinator, goes through and exits as the posterior interosseous nerve

26
Q

Brachial artery branches and becomes

A

Radial artery and ulnar artery opposite the neck of the radius

27
Q

Brachial artery is a continuation of the:

A

Axillary artery

28
Q

Brachial artery begins at the

A

Lower border of teres major

29
Q

Brachial artery ends:

A

In the cubital fossa

30
Q

Where does the brachial artery run

A

Bicipital groove, anterior to the triceps and brachialis, medial to the humerus

31
Q

Brachial artery enters cubital fossa with the :

Where

A

With the median nerve

Anterior to the medial supercondylar ridge

32
Q

Nutrient artery to humerus at the coracobrachialis

A

Brachial artery

33
Q

Brachial artery comes out of the

A

Teres minor

34
Q

Brachial artery becomes the

A

Deep brachial artery

35
Q

Deep brachial artery spilts into:

A

Middle and lateral radial collateral branches

36
Q

Radial collateral branch annastimose with the

A

Recurrent radial artery

37
Q

Middle collateral branch runs from the

A

Back side of the arm and around

38
Q

2 branches of the medial side of the brachial split and become

A

Superior ulnar collateral

Inferior ulnar collateral

39
Q

Inferior ulnar collateral runs

A

In front of the medial epicondyle

40
Q

Superior ulnar collateral runs

A

Behind the medial condyle

41
Q

Profunda brachii, AKA:

A

Deep brachial artery

42
Q

Brachial artery spilts into the

A

Radial and ulnar arteries

43
Q

Middle collateral branch has recurrent branch coming off of:

A

post. Interosseous membrane

44
Q

Blockage of brachial artery in the medial condyle means:

A

Cannot get blood down to the artery

45
Q

The peri-elbow collateral circulation allows:

A

Flow to continue distally when the forearm is fully flexed with resulting near occlusion of the brachial artery.

It is acceptable to clip the brachial rather distal to the profundal branch bc of this collateral system

46
Q

Superficial veins of the arm

A

Superficial: cephalic, basilic, medial cubital

Deep: Brachial (

47
Q

Where does the brachial vein form

A

At the elbow by the confluence of the radial and ulnar veins

48
Q

The brachial vein is joined by:

A

Basilic to form axillary vein

Extremities (2) (28 decks)

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