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MSK-1 > Upper Extremity Arthrology > Flashcards

Upper Extremity Arthrology Flashcards

1
Q

What type of joint is the sternoclavicular joint?

A

Sellar synovial

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2
Q

What is in an articular capsule?

A

fibrous capsule

synovial membrane

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3
Q

What is an articular capsule and where is it found?

A

membrane that surrounds a joint

in all synovial joints

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4
Q

What are the ligaments in the sternoclavicular joint?

A

anterior sternoclavicular L.
posterior sternoclavicular L.
Interclavicular L.

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5
Q

What type of joint is the acromioclavicular joint?

A

Planar synovial

btw acromial end of clavicle and facet on the acromion of the scapulA

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6
Q

What are the ligaments of the acromioclavicular joint?

A

acromioclavicular L.

coracoclavicular L. = trapezoid L. and Conoid L.

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7
Q

What joint is “shoulder separation” injuring?

A

acromioclavicular joint

can occur with or without rupture of the coracoclavicularr L.

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8
Q

What type of joint is the glenohumeral joint?

A

spheroidal synovial (ball in socket)

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9
Q

What is the glenoid labrum?

A

ring of cartilage that surrounds and deepens glenoid cavity

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10
Q

What are the ligaments on the glenohumeral joint?

A

glenohumeral L.
coracohumeral L.
Transverse humeral L.
coracoacromial L. (not technically on the joint, but the arch is important here)

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11
Q

What direction does the shoulder typically dislocate? Why is this?

A

inferior and anterior

due to coracoacromial arch/ligament

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12
Q

What type of joint is the elbow?

A

ginglymus synovial (hinge)

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13
Q

What are the ligaments in the humeroulnar joint?

A

ulnar collateral L =
anterior band
posterior band
oblique band

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14
Q

What is the ligament in the humeroradial joint?

A

radial collateral L.

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15
Q

When the elbow is dislocated posteriorly, what ligament is usually torn?

A

Ulnar collateral L.

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16
Q

What are the 3 olecranon bursae?

A

subtendinous
intratendinous
subcutatneous

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17
Q

What is miner’s elbow/student’s elbow/dart thrower’s elbow?

A

subcutaneous olecranon bursitis resulting from excessive friction btw the skin and the olecranon

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18
Q

What is the ligament in the proximal radioulnar joint?

A

annular ligament: extends around radius and inserts and originates on ulna to hold radius into place

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19
Q

What type of joint is the proxial radioulnar joint?

A

trochoid synovial

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20
Q

What is nursemaid’s elbow?

A

dislocation of radial head out of annular L.

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21
Q

What type of joint is the middle radioulnar joint?

A

syndesmosis

22
Q

What are the ligaments in the middle radioulnar joint?

A

oblique cord

interosseous membrane

23
Q

What type of joint is the distal radioulnar joint?

A

trochoid synovial

24
Q

In what joints is there a sacciform recess?

A

proximal and distal radioulnar

25
Q

What type of joint is the radiocarpal joint?

A

condylar synovial

26
Q

What are the ligaments in the radiocarpal joint?

A

palmar and dorsal radiocarpal ligaments
palmar and dorsal ulnocarpal ligaments
radial collateral ligament of the wrist
ulnar collateral ligament of the wrist

27
Q

What type of joints are the intercarpals?

A

planar synovial

28
Q

What are the ligaments of note in the intercarpal joints?

A

posterior intercarpal ligaments
anterior intercarpal ligaments
inerosseous intercarpal L.
pisohamate L.

29
Q

What is the pisohamate L.?

A

between pisiform and the hook of the hamate

30
Q

What type of joint is the midcarpal joint?

A

sellar synovial; not that much movement though

31
Q

What type of joint is the 1st CMC joint?

A

sellar synovial; from trapezium to 1st metacarpal

32
Q

What are the ligaments on the CMC joints?

A

palmar and dorsal carpometacarpal Ligaments on all
pisometacarpal L
radiate carpal L

33
Q

What metacarpal is the pisometacarpal L in association with?

A

5th = pinkey

34
Q

What is the radiate carpal L.

A

from capitate to bases of metacarpal bones

35
Q

Where is pectoral fascia?

A

surrounds pec major

36
Q

Where is the costocoracoid membrane?

A

under clavicle on top of ribs

37
Q

Where is the deep cervical fascia?

A

under clavicle surrounding subclavius m.

38
Q

Where is deltoid fascia?

A

surrounds deltoids

39
Q

Where is clavipectoral fascia?

A

surrounds pec minor

40
Q

where is axillary fascia?

A

in the armpit below pecs and deltoids; held up by the suspensory L. of the axilla

41
Q

What is the suspensory L.?

A

axillary fascia to clavipectoral fascia to hold it up in the armpit

42
Q

Where is bracial fascia?

A

surrounding all of the upper arm/brachial muscles

43
Q

Where is antebrachial fascia?

A

around forearm

44
Q

Where is the medial intermuscular septum?

A

medial of humerus; in between biceps, brachialis, and triceps
transmits brachial artery!

45
Q

Where is the lateral intermuscular septum?

A

lateral of the humerus, in between the brachialis and triceps

46
Q

What separates the forearm into anterior and posterior compartments?

A

interosseous membrane btw ulna and radius

47
Q

Where is the extensor retinaculum? What is it made of?

A

on dorsal side of wrist holding extensor tendons in place

made of thick antebrachial fascia (continuous w/ palmar carpal L.)

48
Q

What are the synovial tendon sheaths?

A

surround extensor tendons to reduce friction btw them and extensor retinaculum
*source of synovial/ganglion cysts

49
Q

Where is the palmar carpal L?

A

on palm; made of antebrachial fascia - continuous w/ extensor retinaculum

50
Q

What is the flexor retinaculum?

A

a ligament covering carpal tunnel

51
Q

What is the common flexor sheath?

A

large synovial sheath surrounding long tendons under flexor retinaculum to reduce friction

MSK-1 (28 decks)

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