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Kinesiology > Chapter 12 > Flashcards

Chapter 12 Flashcards

Wrist Joint

1
Q

radiocarpal joint

A

consists of the distal end of the radius and the radioulnar disk proximally and the scaphoid, lunate, and triquetrum distally

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2
Q

radiocarpal joint

A

classified as a biaxial condyloid joint allowing flexion and extension, radial deviation and ulnar deviation. The combination of all four of these motions is called circumduction. There is no rotation in the wrist.

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3
Q

midcarpal joint

A

located between two rows of carpal bones

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4
Q

intercarpal joints

A

located between carpal bones in each individual row

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5
Q

carpometacarpal (CMC) joints

A

appear between the distal row of carpal bones and the proximal end of metacarpal bones

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6
Q

palmar flexion

A

wrist flexion

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7
Q

dorisflexion

A

hyperextension

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8
Q

neutral position

A

hand in straight line with forearm, position of the hand in anatomical position

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9
Q

extension

A

return from flexion

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10
Q

hyperextension

A

movement beyond neutral position

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11
Q

flexion and extension

A

occur on sagittal plane around the frontal axis

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12
Q

flexion

A

approximately 90 degrees

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13
Q

hyyperextension

A

approximately 70 degrees

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14
Q

Raadial and Ulnar deviation

A

occur on the frontal plane around the sagittal axis

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15
Q

radial deviation

A

approximately 35 degrees

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16
Q

ulnar deviation

A

approximately 25 degrees

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17
Q

firm end feel

A

for extension, hyperextension, and ulnar deviation

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18
Q

boney/ hard end feel

A

for radial deviation, due to boney/ hard contact between the radial styloid process and the scaphoid (carpal) bone

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19
Q

open packed position of wrist

A

in neutral with slight ulnar deviation position

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20
Q

convex/ concave articulation

A

convex shaped proximal row of caarpal bones move in opposite direction of the hand motionbones

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21
Q

carpal bones

A

consist of two rows of four bones each, starrting at tumb side of proximal row are the scaphoid, lunate, triquerum, and psisform. distal row from lateral are trapezium, trapeziod, capitate, hamate

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22
Q

styloid process

A

distal projection on the lateral side of the radius and distal medial posterior side of ulna (providing attachment for collateral ligaments

23
Q

hook of the hamate

A

projection on the anterior surface of the hamate, providing attachment for the transverse carpal ligament

24
Q

Medial epicondyle

A

located on the distal medial side of the humerus; attachment for the common flexor tendon

25
Q

Lateral epicondyle

A

located on the distal lateral side of the humerus attachment for the common extensor tendon

26
Q

Lateral supraconcylar ridge

A

located just proximal to the lateral epicondyle; attachment for the extensor capri radialis longs muscle

27
Q

radiocarpal joint

A

basically four ligaments;

28
Q

radial collateral ligament

A

attaches to the styloid process of the radius and the scaphoid and trapezius bones

29
Q

ulnar collateral ligament

A

attaches to the styloid process of the ulna and to the pisiform and triquetrum bones

30
Q

palmar radiocarpal ligament

A

limits wrist extension, attaches anterior distal end of radius and ulna and to the anterior surface of the proximal carpal bones and to the capitate bone in the distal row

31
Q

dorsal radiocarpal ligament

A

attaches from posterior surfaces of the distal raduis to the same surface of the scaphoid, lunate, and triquetrum

32
Q

joint capsule of wrist

A

is reinforced by four ligaments of wrist

33
Q

articular disc

A

locateed on distal end of ulna and articulates with triqeutrum and lunate bones

34
Q

palmar aponeurosis

A

a relatively thick triangular fascia located superficially in the palm of the hand

35
Q

common flexor tendon

A

originates on medial epicondyle of humrus and splits, i.e. pronator teres, flexor capri radialis, palmaris longus, flexor digitorum superficialis, and flexor capri ulnaris

36
Q

common extensor tndon

A

originates on the lateral epicondyle and forms into extensor capri radialis longus and brevis, extensor capri ulnaris, extensor digitorum, and extensor digiti minimi

37
Q

anterior side of wrist

A

flexion

38
Q

posterior side of wrist

A

extension

39
Q

anteriour

A

flexor capri ulnaris, flexor capri radialis, Palmerus longus

40
Q

posterior

A

extensor caprii radialis longus, extensor caprii radialus breves, and extensor caprii ulnaris

41
Q

flexor capri ulnaris muscle

A

wrist flexion, ulnar deviation

42
Q

flexor capri radialis muscleive in wrist flexion

A

wrist flexion and radial deviation

43
Q

palmaris longus muscle

A

assistive in wrist flexion

44
Q

Extensor Capri Raadialis Longus Muscle

A

wrist extension, radial deviation

45
Q

Extensor capri radialis brevis muscle

A

wrist extension

46
Q

extensor capri ulnaris muscle

A

wrist extensoin, ulnar deviation

47
Q

extensor retinaculum

A

encases all at wrist

48
Q

scaphoid and radius

A

two most fractured bones of the wrist

49
Q

colles fracture

A

a break at the distal radius at the level of the metaphysis and is common in elderly

50
Q

Smith’s fracture

A

distal fragment is displaced anteriourly (reverse Colles) and is caused by fall on the back of hand

51
Q

“greenstick fracture’

A

refers to an incomplete fracture, usually of radius, and more proximal than ‘Colles’ fracture

52
Q

scaphoid fracture

A

sometimes related to danger of blood vessel that supplies this bone, which can lead to avascular necrosis, or death of bone tissue

53
Q

ganglion cyst

A

a benign, fluid filled cyst commonly seen as a bump. Can appear, disappear and change size quickly

54
Q

wrist sprains

A

when a person falls on an outstretched hand

Kinesiology (15 decks)

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