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anatomy: UE > shoulder > Flashcards

shoulder Flashcards

1
Q

Pectoral girdle is formed by

A

Clavicle and scapula

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2
Q

What are the articulations of the pectoral girdle?

A

Sternoclavicular (SC) joint

Acromioclavicular (AC) joint

Glenohumeral (GH) joint

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3
Q

The shoulder girdle is only attached to the axial skeleton at which joint?

A

Sternoclavicular

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4
Q

Clavicular mvt at the Sternoclavicular joint

A

Elevation/depression

Protraction/retraction

Rotation (also occurs at acromioclavicular joint)

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5
Q

Sternoclavicular joint is the ___ end of the clavicle

A

Sternal (triangular end)

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6
Q

The acromioclavicular joint is the ____ end of the clavicle?

A

Acromial (flatter end)

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7
Q

Ratio of GH joint to shoulder girdle motion

A

2:1

0-90 GH (60) + SC (30)

90-180 GH (60) + AC (30)

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8
Q

Veins of shoulder complex

A

Cephalic (lat arm) (connects to axillary vein)

Basilic (med arm) (connects/becomes axillary vein)

Axillary (becomes subclavian vein)

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9
Q

What is this?

A

Vein pathway

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10
Q

Ant musc of shoulder

A

Pectoralis major

Pectoralis minor

Subclavius

Serratus anterior

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11
Q

Pectoral is major has two parts

A

Sternocostal portion

Clavicular portion

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12
Q

Pec maj actions

A

Add

IR

Horizontal add

Flex arm

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13
Q

Pec minor actions

A

Accessory musc of ventilation (pectoral girdle is stable)

Depression

Downward rotation

Protraction with serratus ant

Raises ribs

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14
Q

Subclavius actions

A

Stabilizes clavicle

Pulls medially

Depression of shoulder girdle

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15
Q

Serratus ant actions

A

Accessory musc of ventilation

Protracts scapula (throwing punch)

Lower fibers rotate scapula upward

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16
Q

Post musc shoulder

A

Trapezius

Latissimus dorsi

Levator scapulae

Rhomboid maj and min

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17
Q

Trapezius actions

A

Elevation, depression, retraction, upward rotation scapula, head ext

Shrugging shoulder musc

18
Q

Latissimus dorsi actions

A

Ext

Add

IR arm

19
Q

Levator scapulae actions

A

Elevation

Retraction

Slight downward rotation scapula

Lat neck flex (same side musc cxn)

20
Q

Rhomboid maj and min actions

A

Retraction

Elevation

Downward rot scapula

21
Q

Lat musc shoulder

A

Deltoid

Teres maj

Rotator cuff:
Supraspinatus

Infraspinatus

Teres minor

Subscapularis
22
Q

Deltoid actions

A

Whole: abd

Ant: flex, horiz add (flex), IR

Middle: abd

Post: ext, horiz abd (ext), ER

23
Q

Teres maj actions

A

Ext
IR
Add arm

24
Q

Supraspinatus actions

A

Abd arm

Stabilize joint

25
Q

Infraspinatus actions

A

ER

Stabilize joint

26
Q

Teres min actions

A

ER

Add

Ext (some)

Stabilizes joint

27
Q

Subscapularis actions

A

IR

Add

Stabilizes joint

28
Q

What is this?

A

Quadrangular space

29
Q

Quadrangular space borders

A

Med: long head triceps splitting Teres maj/min

Sup: Teres min

Inf: Teres maj

Lat: humerus

30
Q

What travels through quadrangular space

A

Axillary nerve

Posterior circumflex numeral artery

31
Q

What is this?

A

Triangular space

32
Q

Triangular space borders

A

Lat: long head triceps

Sup: Teres min

Inf: Teres maj

33
Q

Structures in triangular space

A

Circumflex scapular artery

34
Q

Brachial plexus mnemonic

A

Rugby
Teams
Don’t
Cover
Bruises

35
Q

Rugby
Teams
Don’t
Cover
Bruises

A

Roots (C5-T1)
Trunks (3)
Divisions (2)
Cords (3)
Branches (5)

36
Q

Branches of lat cord mnemonic (rugby players are)

A

Long
Legged
Movers

37
Q

Long
Legged
Movers

A

Lat pectoral nerve

Lat root of median nerve

Musculocutaneus nerve

38
Q

Branches of med cord mnemonic (rugby players)

A

Make
Many
Moves
Using
Musc

39
Q

Make
Many
Moves
Using
Musc

A

Med brachial cutaneous nerve

Med antebrachial cutaneous nerve

Med pectoral nerve

Ulnar nerve

Med root of median nerve

40
Q

Branches of post cord (rugby players are)

A

ULTRA (competitive)

41
Q

ULTRA

A

Upper subscapular nerve

Lower subscapular nerve

Thoracodorsal nerve

Radial nerve

Axillary nerve

anatomy: UE (3 decks)

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