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ORTHO TX I > quiz #2 - elbow > Flashcards

quiz #2 - elbow Flashcards

1
Q

elbow flexion ROM

A

140 - 150º

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2
Q

elbow extension ROM

A

0-10º

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3
Q

elbow supination & pronation ROM

A

supination: 90º

pronation: 80-90º

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4
Q

3 joints that make up the elbow

A
  1. humeroulnar (trochlear)
  2. humeroradial
  3. superior/ proximal radioulnar
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5
Q

Which joint of the elbow is considered a uniaxial pivot joint?

A

superior/ proximal radioulnar

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6
Q

what two joints of the elbow are considered uniaxial/ hinge?

A

trochlear (ulnohumeral)
radiohumaral

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7
Q

head of the radius is held in proper relation to the ulna & humerus by which ligament?

A

annular ligament

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8
Q

which joint is between the capitulum of the humerus & head of the radius?

A

radiohumeral joint

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9
Q

which joint is between the trochlea of the humerus & the trochlear notch of the ulna?

A

ulnohumeral (trochlear) joint

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10
Q

resting position of the ulnohumeral (trochlear) joint

A

70º elbow flexion, 10º supination

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11
Q

closed packed position for the ulnohumeral (trochlear) joint

A

extension with supination

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12
Q

capsular pattern of restriction for the ulnohumeral (trochlear) joint

A

flexion, extension

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13
Q

resting position for the radiohumeral joint

A

full extension & full supination

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14
Q

closed packed position for the radiohumeral joint

A

elbow flexed 90º, forearm supinated 5º

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15
Q

capsular pattern of restriction for the radiohumeral joint

A

flexion, extension, supination, pronation

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16
Q

resting position for the superior/ proximal radioulnar joint

A

35º supination, 70º elbow flexion

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17
Q

closed packed position for the superior/ proximal radioulnar joint

A

5º supination

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18
Q

capsular pattern of restriction for the superior/ proximal radioulnar joint

A

equal limitation of supination & pronation

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19
Q

ulnar (medial) collateral ligament

A

-fan-shaped
-primary restraint to valgus instability
-attaches humerus to ulna

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20
Q

radial (lateral) collateral ligament is the primary restraint to…

A

posterolateral instability

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21
Q

T/F - most common instability at the elbow is posterolateral

A

TRUE

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22
Q

T/F - interosseous membrane between the radius and ulna is tense only midway between supination and pronation

A

TRUE

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23
Q

function of the interosseous membrane

A

prevents proximal displacement of the radius on ulna

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24
Q

the ____ connects the radius & ulna running from the lateral side of the ulnar tuberosity to the radius slightly below the radial tuberosity

A

oblique cord

25
function of the oblique cord
assists in displacement of the radius on ulna, especially during movements involving pulling/ when distractive force is exerted on the radius
26
if there has been a fracture / epiphyseal injury to the distal humerus & a cubitus varus results, a ____ may occur in full extension
gunstock deformity
27
first movement lost & regained after injury to the elbow
extension
28
the elbow allows for ___ degrees of freedom - which joint allows for supination and pronation?
2, superior radioulnar
29
if the carrying angle of the elbow is greater than 15º, it is called a...
cubitus valgus
30
if the carrying angle of the elbow is less than 5º, it is called a...
cubitus varus
31
at which degree of flexion is the elbow held in its resting position where the joint has maximum volume?
70º
32
T/F - if swelling exists, all 3 joints of the elbow complex are affected as they have a common capsule
TRUE
33
T/F - terminal extension loss is more disabling than terminal flexion loss because of the need of extension for many ADL’s
FALSE *terminal flexion loss = more disabling than extension because of the need of flexion for ADLs
34
Which of the following special tests is NOT specific for lateral epicondylitis? -Maudsley's -Mill's -Speed's -Cozen's
speed's
35
Which of the following is NOT a type of incomplete fracture? -compression -avulsion -greenstick -perforation -stress
avulsion
36
types of complete fractures
-transverse -oblique -spiral -comminuted -avulsion -osteochondral
37
if skin is intact, what type of fracture is it?
closed / simple
38
if the ends of the bone have broken through the skin or into one of the body cavities, what type of fracture is it?
open / compound
39
fracture where the bone is broken into two or more pieces
complete
40
fracture where the bone is bent or cracked and the periosteum remains intact
incomplete
41
a tear of the long head of the Biceps brachii tendon at the shoulder or at the elbow is called a...
Popeye sign
42
transverse fracture of the radius just proximal to the wrist allowing the fragment to rotate and displace dorsally
Colle's fracture
43
fracture that affects one or both malleoli
Pott's fracture
44
fracture of the fibula higher up, the medial malleolus avulses and the talus is pushed superiorly
Dupuytren's
45
fracture of the radial shaft and a dislocation of the inferior radioulnar joint
Galeazzi
46
early complications of fractures include...
-torn mm & tendons -ligament damage -nerve & vascular injuries -compartment syndromes -joint hemarthrosis -bone & soft tissue infections -DVT -problems caused by poorly fitting casts
47
late complications of fractures include...
-delayed or non-union -myositis ossificans -nerve compression & entrapment -bone necrosis -Volkmann’s ischemic contracture -joint stiffness & disuse atrophy
48
CI's during immobilization of a fracture
-tractioning limb -heat distal or immediately proximal to cast -treating on-site with open reduction -local techniques avoided until skin fully healed
49
CI's immobilization removed for a fracture
-overpressure of involved joints -extreme hydro on tissues that were under cast -deep techniques to atrophied mm
50
what nerve innervates the biceps brachii, coracobrachialis, brachialis
musculocutaneous nerve
51
what nerve innervates the triceps & anconeus
radial nerve
52
what nerve innervates the pronator teres, flexor carpi radialis, palmaris longus, flexor digitorum superficialis
median nerve
53
what nerve innervates the flexor carpi ulnaris
ulnar nerve
54
what nerve innervates the flexor digitorum profundus
median (lateral) & ulnar (medial) nerve
55
what nerve innervates the flexor pollicis longus & pronator quadratus
median nerve
56
what nerve innervates the anconeus, brachioradialis, extensor carpi radialis longus, extensor carpi radialis brevis
radial nerve
57
what nerve innervates the extensor digitorum, extensor digiti minimi, extensor carpi ulnaris
posterior interosseous nerve
58
what nerve innervates the supinator, abductor pollicis longus, extensor pollicis brevis, extensor pollicis longus, extensor indicis
posterior interosseous nerve

ORTHO TX I (5 decks)

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