Joints Flashcards

1
Q
Sternoclavicular (SC) Joint
Acromioclavicular (AC) Joint
Scapulothoracic (ST) Joint
Glenohumeral (GH) Joint
(which of these is not a real joint)
A

Scapulothoracic (ST) Joint

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2
Q

Does the SC have an articular disc

A

yes

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3
Q

At full elevation of the upper limb, the clavicle is raised to a (what) degree angle

A

60

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4
Q

Dislocations of the SC joint (are or are not common)

A

Not

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5
Q

Does The ac have an articular disc

A

Yes

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6
Q

2 primary ligaments of AC

A

Acromioclavicular ligament

Coracoclavicular ligament

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7
Q

Fibrocartilaginous ring that acts to deepen the glenoid cavity

A

Glenoid labrum

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8
Q

Glenoid labrum is made of what kind of cartilage

A

Fibrocartilaginous

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9
Q

3 capsular ligaments of the GH

A

Coracohumeral ligament

Glenohumeral ligament

Transverse Humeral ligament

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10
Q

GH Extracapsular Ligament:

A

Coracoacromial ligament

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11
Q
Tendon of (what) 
is most frequently torn
A

supraspinatus

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12
Q

what direction of the GH joint is the weakest

A

inferior

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13
Q

what dierction do most disloactions happen

A

anterior

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14
Q

shoulder dislocations endanger what artery and what nerve

A

musculocutaneous

axillary

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15
Q

Supracondylar fracture on what side of the

humerus

A

lateral

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16
Q

Surgical Neck Fracture endanger what artery and what nerve

A

Axillary nerve

Circumflex humeral arteries

17
Q

Mid shaft Fracture endanger what artery and what nerve

A

Radial nerve
Deep artery & vein
of the arm

18
Q

Supracondylar Fracture endanger what artery and what nerve

A

Median nerve

Brachial artery

19
Q

Medial Epicondyle Fracture

endanger what artery and what nerve

A

Ulnar nerve

no artery

20
Q

what ligament makes up the annular ligament

A

radial collateral

21
Q

for pronantion and supination what rotates around what

A

radius around a stable ulna

22
Q

a nursemaids distraction involved what liagent

A

annular

23
Q

The most common fracture

in adults > 50 yrs. old

A

colles fx (distal radius)

24
Q

is associated with a “dinner fork deformity”:

a posterior displacement of the distal fragment, causing angulation

A

colles fracture

25
Q

Scaphoid fracture endangers what artery

A

radial

26
Q

what articular injury can compress the median nerve

A

lunate dislocation

27
Q

CMC of the thumb is what shape

A

saddle

28
Q

abduction and abduction occur around what digit

A

3rd

29
Q

MCP ligaments

A

collateral
palmer
deep transverse metacarpal

30
Q

PIP, DIP ligaments

A

collateral

palmer

31
Q

Avulsion of the extensor expansion at the level of the DIP

A

mallet finger

32
Q

Avulsion of extensor expansion at the level of the PIP

A

Boutonnière Deformity

- Extensor expansion is still attached distally, at the level of the DIP