Upper Extremity Arthrology Flashcards

(107 cards)

1
Q

shoulder girdle

A

manubrium, clavicle, scapula and humerus

SC, AC, and glenohumeral joints

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

sternoclavicular joint classification

A

sellar (saddle) synovial joint (articular capsule and disc)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

sternoclavicular joint Bs.

A

between clavicular notch of manubrium and sternal facet on sternal end of clavicle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

sternoclavicular joint Ls.

A

costoclavicular L.
anterior sternoclavicular L.
posterior sternoclavicular L.
interclavicular L.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

acromioclavicular joint classification

A

planar synovial joint (articular capsule and disc)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

acromioclavicular joint Bs.

A

between acromial facet on the acromial end of the clavicle and the facet on the acromion of the scapula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

acromioclavicular joint Ls.

A

acromioclavicular L.

coracoclavicular L. (trapezoid L. and conoid L.)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

AC joint injury

A

“shoulder separation”

capable of separating with or without rupture of the coracoclavicular L.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

glenohumeral joint classification

A

spheroidal synovial (articular capsule, labrum, and bursae)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

glenohumeral joint Bs.

A

between glenoid cavity of scapular head and head of humerus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

glenohumerual joint Ls.

A

glenohumeral L.
coracohumeral L.
transverse humeral L.
coracoacromial arch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

coracoacromial arch

A

osseoligamentous arch preventing superior displacement of humerus from glenoid cavity
coracoacromial L.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

glenoid labrum

A

deepens and supports cavity of the scapular head

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

bursae of the glenohumeral joint

A

subscapular bursa and subacromial bursa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

subscapular bursa

A

between subscapularis T. and the scapular neck, communicates with synovial membrane of glenohumeral joint

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

subacromial bursa

A

between the deltoid M., supraspinatus T. and articular capsule, does not usually communicate with synovial membrane of glenohumeral joint

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

fibrous capsule of glenohumeral joint is open in two places to allow passage of

A

long head of biceps brachii T. and subscapular bursa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

GH joint dislocation

A

susceptible due to mobility and relative instability

due to presence of coracoacromial arch, dislocation of the GH joint most commonly occurs anteriorly or inferiorly

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

elbow joint classification

A

ginlymus (hinge) synovial joint (articular capsule, humeroulnar joint, humeroradial joint, bursae)
continuously distally with synovial membrane of proximal radioulnar joint

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

humeroulnar joint Bs.

A

trochlear notch of ulna wrapping around humeral trochlea

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

humeroulnar joint Ls.

A

ulnar collateral L. of elbow (anterior band, posterior band, oblique band)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

humeroradial joint Bs.

A

humeral capitulum articulating with fovea of radial head

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

humeroradial joint Ls.

A

radial collateral L. of elbow (blends with annular L. of radial head)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

bursae of the elbow joint

A

olecranon bursae
subcutaneous bursa of medial humeral epicondyle
subcutaneous bursa of lateral humeral epicondyle
bursa of anconeus
bursa at origin of extensor carpi radialis brevis M.
bicipitoradial bursa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
list the 3 olecranon bursae
subtendinous olecranon bursa intratendinous olecranon bursa subcutaneous olecranon bursa
26
bursae inflammation of elbow
most common to become inflamed are subcutaneous olecranon bursa and bicipitoradial bursa
27
subcutaneous olecranon bursitis
"student's elbow", "thrower's elbow", "dart thrower's elbow", or "miner's elbow" results from excessive friction between the skin and the olecranon
28
list the 3 radioulnar joints
proximal radioulnar joint middle radioulnar joint distal radioulnar joint
29
proximal radioulnar joint classification
trochoid (pivot) synovial (articular capsule, sacciform recess) primary site of supination and pronation
30
proximal radioulnar joint Ls.
annular L. (holds radial head in radial notch)
31
middle radioulnar joint classification
syndesmosis fibrous (oblique cord and interosseous membrane)
32
distal radioulnar joint classification
trochoid (pivot) synovial (articular capsule and disc, sacciform recess)
33
sacciform recess
small pocket of synovial membrane protruding out of synovial joint
34
radial head dislocation
"nursemaid's elbow" or "pulled elbow" occurs typically from pulling on the arm of a child radial head dislocated out of the annular L.
35
radiocarpal (wrist) joint classification
condylar synovial joint (articular capsule and disc)
36
radiocarpal (wrist) joint Bs.
between distal end of radius, articular disc of the distal radioulnar joint and the scaphoid, plus the lunate and triquetrum Bs.
37
radiocarpal (wrist) joint Ls.
``` palmar radiocarpal L. dorsal radiocarpal L. palmar ulnocarpal L. dorsal ulnocarpal L. radial collateral L. of wrist ulnar collateral L. of wrist ```
38
palmar radiocarpal L.
two bands, one to lunate B. and other to capitate B.
39
intercarpal joints classification
planar synovial joints (articular capsule)
40
intercarpal joint Ls.
posterior intercarpal L. anterior intercarpal L. interosseous intercarpal L.
41
pisiform joint Bs.
between the pisiform and anterior surface of the triquetrum
42
pisiform joint Ls.
pisohamate L. between the pisiform and the hook of the hamate
43
midcarpal joint classification
sellar (saddle) synovial (articular capsule, continuous with capsule of intercarpal and carpometacarpal joints)
44
midcarpal joint Bs.
between proximal and distal rows of carpal bones
45
midcarpal joint Ls.
``` strengthened by, but not the owner of anterior intercarpal L. posterior intercarpal L. radial collateral L. of wrist ulnar collateral L. of wrist ```
46
1st carpometacarpal joint classification
sellar (saddle) synovial (articular capsule)
47
1st carpometacarpal joint Bs.
between trapezium to 1st metacarpal
48
1st carpometacarpal joint Ls.
palmar carpometacarpal L. | dorsal carpometacarpal L.
49
2nd-5th carpometacarpal joints classification
planar synovial joint (articular capsule)
50
2nd-5th carpometacarpal joints Bs.
between distal carpal row to 2nd-5th metacarpals
51
2nd-5th carpometacarpal joints Ls.
palmar carpometacarpal L. dorsal carpometacarpal L. radiate carpal L. pisometacarpal L. (associated with 5th metacarpal)
52
pisometacarpal L. in junction with pisohamate L. are the continuation of the
flexor carpi ulnaris T.
53
intercarpal joints classification
``` 4 of them planar synovial (articular capsule) ```
54
intercarpal joints Bs.
between bases of metacarpals | between 1st and 2nd separate from the other three
55
intercarpal joints Ls.
dorsal intermetacarpal L. palmar intermetacarpal L. interosseous intermetacarpal L.
56
metacarpophalangeal joints classification
``` 5 of them condylar synovial (articular capsule) ```
57
metacarpophalangeal joints Bs.
between metacarpals and proximal phalanges
58
metacarpophalangeal joints Ls.
palmar L. medial collateral L. lateral collateral L. deep transverse metacarpal L.
59
sprain of lateral collateral ligament of the 1st metacarpophalangeal joint of the 1st digit
"bull rider's thumb" | associated with avulsion of lateral part of proximal phalanx
60
laxity or rupture of both collateral ligaments of the 1st metacarpophalangeal joint of the 1st digit
"skier's thumb" or "game-keepers thumb" | results in hyperabduction of joint
61
1st interphalangeal joint classification
ginglymus (hinge) synovial (articular capsule)
62
1st interphalangeal joint Bs.
between 1st proximal and distal phalanx of 1st digit
63
1st interphalangeal joint Ls.
palmar L. medial collateral L. lateral collateral L.
64
2nd-5th proximal interphalangeal joints classification
ginglymus (hinge) synovial (articular capsule)
65
2nd-5th proximal interphalangeal joints Bs.
between 2nd-5th proximal phalanges and 2nd-5th intermediate phalanges
66
2nd-5th proximal interphalangeal joints Ls.
palmar L. medial collateral L. lateral collateral L.
67
2nd-5th distal interphalangeal joints classification
ginglymus (hinge) synovial (articular capsule)
68
2nd-5th distal interphalangeal joints Bs.
between 2nd-5th intermediate phalanges and 2nd-5th distal phalanges
69
2nd-5th distal interphalangeal joints Ls.
palmar L. medial collateral L. lateral collateral L.
70
sudden hyperflexion of the distal interphalangeal joint
"mallet finger" or "baseball finger" | associated with avulsion of attachment of long extensor T. away from distal phalanx
71
movements of the upper extremity
``` scapular glenohumeral elbow radioulnar wrist digits 2-5 thumb ```
72
scapular movement
elevation and depression of the scapula protraction and retraction of the scapula rotating the glenoid cavity up and down
73
glenohumeral movement
extension (posteriorly) and flexion (anteriorly) of the arm hyperextension (posterior to anatomical position) of the arm abduction and adduction of the arm medial and lateral rotation of the arm
74
elbow movement
flexion (anteriorly) and extension (posteriorly) of the forearm
75
radioulnar movement
pronation (thumb facing medially) and supination (thumb facing laterally, anatomical position)
76
wrist movement
``` extension (posteriorly) and flexion (anteriorly) of the hand ulnar flexion (medial movement of the hand at the wrist) radial flexion (lateral movement of the hand at the wrist) ```
77
digits 2-5 movement
extension (posteriorly) and flexion (anteriorly) | abduction (movement away from the middle finger) and adduction (movement toward the middle finger)
78
3rd digit abduction/adduction
abducted medially or laterally but cannot be adducted
79
thumb movement
extension (lateral movement from anatomic position) and flexion (sweeping thumb across palmar surface) abduction (anterior movement from anatomical position) and adduction (posterior movement from anatomical position) opposition (touching thumb to 5th digit) and reposition (returning the thumb from opposed position)
80
fascia of shoulder and axilla
``` pectoral fascia axillary fascia clavipectoral fascia deltoid fascia supraspinous fascia infraspinous fascia ```
81
clavipectoral fascia divided into
costocoracoid membrane | suspensory L. of the axilla
82
suspensory L. of the axilla forms the
axillary fossa
83
fascia of the brachium
brachial fascia medial intermuscular septum lateral intermuscular septum
84
brachial fascia covers
musculature of brachium
85
medial intermuscular septum of the fascia of the brachium separates
anterior (flexor) and posterior (extensor) compartments
86
fascia of the antebrachium
antebrachial fascia
87
parts of the antebrachial fascia
interosseous membrane extensor retinaculum palmar carpal L. flexor retinaculum
88
synovial tendon sheaths of extensor retinaculum
6 of them | surround long extensor Ts. of forearm as they pass under extensor retinaculum to reduce friction
89
common flexor sheath of flexor retinaculum
one large synovial sheath surrounding the long Ts. of the flexor digitorum superficialis and profundus M. to reduce friction under the flexor retinaculum
90
interosseous membrane of antebrachial fascia separates
anterior (flexor) and posterior (extensor) compartments
91
continuity of upper extremity fascia
palmar fascia is continuous proximally with antebrachial fascia is continuous superiorly with brachial fascia is continuous with pectoral, deltoid, infraspinous and axillary fascia
92
fascia of the hand
palmar fascia (palmar aponeurosis) dorsal fascia fibrous digital sheaths (digital synovial sheaths) compartments of the hand
93
palmar aponeurosis
thickened central region of palmar fascia
94
parts of the palmar aponeurosis
superficial transverse metacarpal L retinacula cutis medial fibrous septum lateral fibrous septum
95
retinacula cutis of palmar aponeurosis
restricts palmar skin movement
96
medial fibrous septum of palmar aponeurosis
separates hypothenar compartment from central compartment
97
lateral fibrous septum of palmar aponeurosis
separates thenar compartment from central compartment
98
digital synovial sheaths
synovial sheaths for the individual digits that surround the long Ts. of the flexor digitorum superficialis and profundus M. held firmly in place by fibrous digital sheaths
99
compartments of the hand
``` hypothenar compartment central compartment thenar compartment adductor compartment interosseous compartment ```
100
hypothenar compartment of the hand contains
hypothenar Ms.
101
central compartment of the hand contains
flexor tendons, lumbrical Ms., superficial palmar arterial arch, digital vessels and digital nerves
102
thenar compartment of the hand contains
thenar Ms.
103
adductor compartment of the hand contains
adductor pollicis M.
104
interosseous compartment of the hand contains
interossei Ms.
105
irritation of synovial sheaths
can cause accumulation of mucopolysaccharide fluid that can form a usually painless lump known as synovial, or ganglion cyst
106
infection of synovial sheaths
can cause swelling in very specific and characteristic configurations that follow the shapes of these sheaths
107
dupuytren contracture
Dz resulting in shortening, thickening and fibrosis of the palmar aponeurosis and palmar fascia, which results in partial flexion of the 4th and 5th digits