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Anatomy > Upper Limb > Flashcards

Upper Limb Flashcards

1
Q
A

Acromial End of Clavicle

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2
Q
A

Sternal End Of Clavicle

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3
Q
A

Conoid Tubercle - on acromial end

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4
Q
A

Impression for costoclavicular ligament - sternal end

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5
Q

Scapula

A

bridge between clavicle and humerus

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6
Q
A

Glenoid cavity/fossa

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7
Q
A

Infraglenoid tubercle

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8
Q
A

Supraglenoid tubercle

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9
Q
A

Suprascapular notch

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10
Q

What runs in the suprascapular notch?

A

The suprascapular artery & nerve

The superior transverse ligament of scapula covers the notch, the artery is above, the nerve is below

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11
Q
A

Neck of scapula

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12
Q
A

Spine of Scapula

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13
Q
A

Acromian

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14
Q
A

Coracoid process

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15
Q
A

Superior Angle of Scapula

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16
Q
A

Inferior Angle of Scapula

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17
Q
A

Lateral border of scapula

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18
Q
A

Medial border of scapula

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19
Q
A

Subscapular fossa

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20
Q
A

Infraspinous fossa

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21
Q
A

Supraspinous fossa

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22
Q

The arm can be elevated how many degrees without movement of the scapula?

A

30 degrees

23
Q

the act of fully elevating the arm requires abduction at which joints?

A

120º occurs at the glenohumeral joint and 60º from scapular rotation

24
Q

Sternoclavicular Joint

A 
saddle joint (morphology); ball and socket (functional)
only bony articulation between the upper limb and the thorax
25
Q

Acromioclavicular joint

A

Plane Synovial joint

26
Q
A

Coracoclavicular ligament

(coracoid process to clavicle)

27
Q
A

Coracoacromial ligament

(coracoid process to acromian)

28
Q

Red circle

A

Acromioclavicular ligament

29
Q
A

Acromioclavicular joint

30
Q

Movements of scapula at acromioclavicular joint

A

Elevation/Depression
Protraction/Retraction
Rotation

31
Q

Glenohumeral joint

A

Ball & Socket joint

Allows for:

Medial/Lateral Rotation
Abduction/Adduction
Flexion/Extension

32
Q

Joint

A

Glenohumeral joint

33
Q

glenoid labrum

A

a fibrocartilaginous ring surrounding the glenoid cavity

Stabilizing ligaments originate from here

34
Q

7 & 6

A

7 = Glenoid labrum

6 = Glenoid cavity

35
Q

Most common direction of humeral dislocation

A

Inferiorly - weakest because not reinforced by the rotator cuff muscles or coracoacromial arch

Called anterior dislocation

36
Q

2

A

Superior, Middle, & Inferior Glenohumeral ligaments

37
Q
A

Coracohumeral ligament

38
Q
A

Transverse humeral ligament

39
Q

Transverse humeral ligament

A

holds the long tendon of the biceps brachii between within the bicipital groove

40
Q

Coracoacromial ligament

A

reinforces superior border of glenohumeral joint preventing superior dislocation

41
Q

Axio-appendicular muscles

A

Extrinsic muscles attaching the upper limb to the thorax

Anterior: Pectoralis major, Pectoralis minor, Subclavius, Serratus anterior

Posterior: Trapezius, Levator Scapulae, Rhomboideus major and minor, Latissimus dorsi

42
Q

Scapulohumeral muscles

A

Intrinsic muscles connecting the scapula to the humerus

Deltoid, Teres major, Rotator Cuff (Supraspinatus, Infraspinatus, Teres minor, Subscapularis)

43
Q

Triangular Space

A

Contains the scapular circumflex artery

Lateral border—long head of the triceps
Superior border—teres minor

Inferior border—teres major

44
Q

Quadrangular space

A

Contains axillary nerve and posterior humeral circumflex artery

Lateral border—humerus
Medial border—long head of triceps brachii
Superior border—teres minor
Inferiorly—teres major

45
Q

Fracture of the surgical neck of the humerus can cause

A

damage to the contents of the quadrangular space, including the axillary nerve and posterior humeral circumflex artery

severance of the axillary nerve leads to paralysis and eventually atrophy of the deltoid (and teres minor)

46
Q

Thyrocervical trunk

A

Dorsal scapular a. (can be a branch of the transverse cervical)

Suprascapular a. (can be a separate branch from the subclavian a.)

47
Q

Axillary artery

A

As subclavian passes under the clavicle it changes names to the axillary. Three parts defined by their position relative to pectoralis minor and named based on how many arteries originate from them

48
Q

Part 1 of Axillary a.

A

Proximal to pectoralis minor

Gives off Superior thoracic a.

49
Q

Part 2 of Axillary a.

A

Deep (posterior) to pectoralis minor

Gives off:

Thoracoacromial trunk - Acromial, pectoral, clavicular, and deltoid branches

Lateral thoracic a.

50
Q

Part 3 of Axillary a.

A

Distal to pectoralis minor

Gives off:

Anterior circumflex humeral a.
Posterior circumflex humeral a.
Subscapular a. - Circumflex scapular a. & Thoracodorsal a.

51
Q

Cephalic vein

A

drains into axillary v.
travels in deltopectoral groove

52
Q

Basilic vein

A

drains into axillary v.
passes through basilic hiatus

53
Q

Median cubital vein

A

connects cephalic and basilic veins in cubital fossa

Anatomy (20 decks)

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