Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

TherapyEd > Musculoskeletal Part Three > Flashcards

Musculoskeletal Part Three Flashcards

1
Q

the dorsal scapular nerve innervates…

A

levator scap

rhomboids

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

scapular winging is the result of..

A

long thoracic nerve injury (serratus anterior)

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

how to injure the subcutaneous olecrenon bursa

A

repeated excessive friction (Student’s elbow)

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

major ulnar deviators

A

FCU

ECU

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

the thumb contributes to ___% of the hand’s function

A

40%

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

purpose of the radiate

A

stabilize the hand for impact

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

what is the most frequently injured carpal bone

A

scaphoid

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

what does the flexor retinaculum attach to

A

scaphoid and trapezium

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

most active muscle in grasping

A

ECRB (holds wrist in extension)

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

what does the anatomical neck of the humerus separate

A

the head

the tubercles

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

what is a Colles’ fracture and how does it happen

A

fracture of distal radius

results from a FOOSH

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

three most common nerve to injure following humerus fractures

A

axillary

radial

ulnar

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

what muscle supinates only when elbow is flexed to 90

A

biceps brachii

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

the primary supinator muscle AND when is it most active

A

supinator

most active with low loads and slow movement

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

what does median nerve innervate

A

dorsal portions of 2, 3, and lateral half of 4

from DIP to tip of finger

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

what muscles facilitate elbow extension in closed chain movements (pushups, pushing heavy objects)

A

pec major

anterior deltoid

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

muscles that flex the digits

A

flexor digitorum superficialis

flexor digitorum profundus

flexor pollicus longus

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

how to damage the radial artery

A

supracondylar fracture of the elbow

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

proximal row of carpal bones (lateral to medial)

A

Scaphoid

Lunate

Triquetrum

Pisiform

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

function of the quadratus

A

arm pronation

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

ulnar nerve damage results in (wrist)…

A

flexion of the ulnar side digits

power grip

22
Q

when does the biceps brachii flex

A

with forearm supination

when lifting loads over 2lbs

23
Q

long thoracic nerve nerve roots

A

C5-C7

24
Q

what position are the fingers and wrist in for power grip

A

finger flexion

wrist extension, ulnar deviation

25
Q

purpose of the volar plate

A

increase articular surface during extension

26
Q

what is the extensor hood

A

fibrous mechanism on the dorsum of each finger that is a fibrous expansion of the extensor digitorum tendon

27
Q

what does the brachioradialis do

A

flexes elbow

stablize supination and pronation during strong resistance

28
Q

two additional muscles that contribute to elbow flexion

A

flexor carpi ulnaris

pronator teres

29
Q

what does ulnar nerve innervate

A

hypothenar (5th and medial half of 4th)

30
Q

the main elbow flexor

A

brachialis

31
Q

three muscles active during both wrist flexion and extension that provide dynamic wrist stability

A

ECU

EPB

APL

32
Q

articulation of the radiocarpal joint

A

convex scaphoid and lunate

concave radius

33
Q

what can result following anterior dislocation of the lunate

A

compression of the median nerve against the flexor retinaculum

34
Q

major wrist flexors

A

FCR

FCU

35
Q

the major elbow extensor

A

triceps brachii

36
Q

frequently fractured site of humerus

A

surgical neck

37
Q

most common injury to the ulnar nerve

A

compressed in Osborne’s fascia (cubital tunnel)

38
Q

why is a fracture to the scaphoid potentially serious

A

it has poor blood supply

=

avascular necrosis during the healing process

39
Q

injury to the brachial artery (occlusion/laceration) can result in

A

ischemia of the deep flexor muscles of the forearm

–>

Volkmann’s ischemic contracture

40
Q

the ulna and radial arteries join to form the ____ which supplies ____

A

join to form the palmar arch

digital branches supply each digit

41
Q

necessary wrist extension degrees for optimal use of hand

A

20-30 degrees

42
Q

distal row of carpal bones (lateral to medial)

A

trapezium

trapezoid

capitate

hamate

43
Q

median nerve injury results in (wrist)…

A

flexion of the digits on the radial side of the hand

precision grip

44
Q

what is the volar plate and where is it located

A

thickening of the capsule

present at palmar aspect of MCP, PIP, and DIP

45
Q

purpose of extensor hood

A

assist with extension of PIP and DIP joints

46
Q

major radial deviators (abduction)

A

ECRL

ERCB

FCR

47
Q

the brachial artery is a continuation of the _____ artery

where can the brachial artery be palpated

A

axillary –> brachial

palpated over anterior cubital fossa

48
Q

blood supply to the hand

A

ulna and radial arteries

49
Q

during flexion, digits rotate ______ to enhance grasp and opposition

A

radially

50
Q

injury to the suprascapular nerve results in

A

decreased ABD

decreased ER

51
Q

the carpal tunnel has a…

A

flexor retinaculum

52
Q

radial nerve damage affects the ability to (wrist/hand)…

A

maintain functional wrist position

release an object

TherapyEd (81 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions