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Extremities Lecture > Unit One Axilla > Flashcards

Unit One Axilla Flashcards

1
Q

The axilla is located where

A

Medial and inferior to the glenohumeral joint and superior to the axillary fascia

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2
Q

Axilla located at what junction

A

Arm and thorax

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3
Q

Axilla serves as a passageway for

A

Neurovascular structures from the trunk to the upper extremity

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4
Q

Axilla passageway protected by

A

Musculofascial and bony structures

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5
Q

What causes exposure to axilla

A

Mobility of the UE

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6
Q

What are the axillary borders

A

Apex, base, and four walls

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7
Q

Four walls of axilla contain

A

Three muscular and one bony

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8
Q

Apex of axillary AKA

A

Thoracic outlet and cervicoaxillary canal

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9
Q

Apex of axilla serves as the passageway between

A

Neck and axilla

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10
Q

Apex of axilla bounded by

A

Clavicle, first rib and scapula

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11
Q

Apex of axilla conducts what to the upper extremities

A

Arteries, nerves, veins and lymphatics

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12
Q

Base of axilla is formed by

A

Skin, subcutaneous tissue and fascia extending from UE to the thorax

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13
Q

Base is located what level rib

A

4th rib

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14
Q

Is the base of axilla mobile

A

Somewhat depending on position of the upper limb

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15
Q

Axillary fascia is an extension of what fascia

A

Pectoral fascia

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16
Q

The axillary fascia is suspended by

A

Suspensory ligament

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17
Q

What are the walls of the axilla

A

Anterior, posteriorly, lateral and medial

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18
Q

Anterior wall of axilla formed by

A

Pectoralis Major and minor and the clavicopectoral fascia

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19
Q

Posterior wall of axilla formed by

A

Scapula and subscapularis on the anterior surface, inferiorly by teres major and latissimus dorsi

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20
Q

Medial wall of axilla formed by

A

Lateral thoracic wall (4th and 5th ribs) and serratus anterior

21
Q

Lateral wall of axilla formed by

A

Intertubercular groove of humerus

22
Q

What are the two main contents in the axilla

A

Axillary sheath and lymphatics

23
Q

The axillary sheath of the axilla contains

A

Nerve, artery and vein

24
Q

The axillary artery is an extension of what artery

A

Subclavian

25
Q

Axillary artery starts where

A

Lateral border of the first rib

26
Q

The axillary artery becomes the brachial artery where

A

Inferior border of teres major

27
Q

What muscles is key to describing the axillary artery

A

Pectoralis minor

28
Q

The axillary artery is divided into how many parts

A

Three

29
Q

Part one of the axillary artery is where

A

Superior to pectoralis minor

30
Q

Part one of the axillary artery has what branch

A

Superior thoracic artery

31
Q

Superior thoracic artery supplies what

A

The first two anterior intercostal spaces

32
Q

Part two of the axillary artery is where

A

Deep to pectoralis minor

33
Q

What are the branches of part two of the axillary artery

A

Thoracoacromial trunk and lateral thoracic artery

34
Q

What are the branches of the thoracoacromial trunk

A

Acromial, deltoid, pectoral and clavicular

35
Q

Lateral thoracic artery supplies where

A

Serratus anterior

36
Q

The lateral thoracic artery runs along with

A

Long thoracic nerve

37
Q

The lateral thoracic artery has what branches to supply the breast tissue

A

Mammillary branche

38
Q

Third part of the axillary artery is where

A

Inferior to pectoralis minor

39
Q

Branches of the third part of the axillary artery

A

Subscapular, anterior humeral circumflex, posterior humeral circumflex

40
Q

Branches of subscapular artery

A

Circumflex scapular and thoracodorsal artery

41
Q

Third segment of the axillary artery branches to form a

A

Peri-scapular collateral circulation system with distal subclavian branches

42
Q

The axillary vein lies where compared to the artery

A

Anteromedial

43
Q

The axillary vein is formed by the union of

A

Brachial vein and basilic vein

44
Q

Where does the union of the brachial and basilic vein occur

A

Inferior border of teres major

45
Q

The axillary vein becomes the subclavian vein where

A

Inferior border of the first rib

46
Q

Axillary veins are often

A

Plexiform and variable

47
Q

Deep vessels in limbs usually have

A

2 veins running with artery

48
Q

Axillary lymph nodes run from distal to proximal

A

Humeral subscapular pectoral, central, apical, Supraclavicular

Extremities Lecture (15 decks)

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