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Anatomy > Unit 3 Review > Flashcards

Unit 3 Review Flashcards

1
Q

What are the muscles within the snuff box

A

extensor pollicis longus, extensor pollicis brevis, abductor pollicis brevis

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2
Q

The ____ is the true wrist joint. The ____ is the true elbow joint

A

radiocarpal, humeroulnar

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3
Q

What are the joints in the elbow

A

Humeroulnar, radiohumeral, radioulnar

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4
Q

Collateral ligaments provide stability from ____ (lateral) forces and ____ (medial) forces

A

valgus, varus

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5
Q

What are the ligaments of the elbow

A

radial collateral ligament, ulnar collateral ligament, annular ligament, capsular ligament

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6
Q

what are the 5 main flexor muscles that run to the wrists and digits

A

flexor digitorum superficialis, flexor digitorum profundus, palmaris longus, flexor carpi ulnaris, flexor carpi radialis

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7
Q

What joints do the flexor digitorum superficialis flex

A

Metacarpophalengeal (MCP) and proximal interphalangeal (PIP)

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8
Q

What two factors could contribute to hyperextension of the elbow

A

a small olecranon process or a large olecranon fossa- both allow for more extension before contact occurs

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9
Q

What is the purpose for the annular ligament in the elbow

A

The annular ligament stabilizes the radial head as it rotates during pronation and supination

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10
Q

What structure transmits forces received distally from the radius to the ulna and increases the area for muscular attachment in the forearm

A

interosseous membrane

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11
Q

true or false, the medial epicondyle is a site of injury to chronic tendinosis of the wrist flexors and pronators

A

true

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12
Q

Which carpal is important in both motion and stability of the wrist joint

A

scaphoid

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13
Q

what is carpal tunnel syndrome caused by

A

compression of the median nerve

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14
Q

what is the muscle that helps in pronation at the distal end of the forearm

A

pronator quadratus

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15
Q

what motion(s) is/are possible at the radioulnar joint? What muscles help with the movement(s)?

A

pronation- pronator teres, pronator quadratus
supination- supinator and anconeus

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16
Q

what is the difference between golfers elbow and tennis elbow

A

Golfers elbow is overuse of flexors where tennis elbow is overuse of extensors, golfer’s elbow occurs on medial side of elbow whereas tennis elbow stresses the lateral side

17
Q

How are each of the wrist and elbow injuries treated

A

a. tennis elbow rest/RICE
b. golfers elbow rest/RICE
c. carpal tunnel syndrome splint then surgery but can come back
d. Tommy John (UCL tear) Tommy John surgery and 18 months recovery
e. can pull to fix/re-set finger but more likely to dislocate again after once. Thumb doesn’t go back in as easily

18
Q

what is the structure that runs up and down the length of the radius and ulna in the arm

A

interosseous membrane

19
Q

which muscle would you be using to make a fist with your hand

A

flexor digitorum superficialis and flexor digitorum profundus

20
Q

what causes the scaphoid bone to take longer to heal than others

A

poor blood supply

21
Q

are the MCP joints more proximal or distal to the IP joints

A

proximal

22
Q

true or false, the thenar is the fat pad that sits on the lateral side of the hand and the hypothenar is the fat pad that sits on the medial aspect of the hand

A

false

23
Q

which of these carpals is not one that is commonly fractured

A

lunate

24
Q

which action are u performing when you wave your hand / wrist side to side

A

radial and ulnar deviation

25
Q

when doing a bicep curl which epicondyle are muscles being activated from

A

medial epicondyle

26
Q

which type of muscles help with grip strength

A

intrinsic

27
Q

which of these muscles is considered the “lone wolf”

A

extensor pollicis longus

28
Q

what action does the opponens digiti minimi do? and name an example of this movement

A

opposition, reaching fingertip to fingertip

29
Q

which injury occurs due to compression

A

carpal tunnel syndrome

30
Q

what is one sign of a UCL tear in baseball

A

loss of accuracy when throwing

31
Q

what should you always do when someone disslocates for the first time?

A

get an x-ray

32
Q

a patient walks into your clinic, as you make small talk with them and their cause for coming in, they complain that they weren’t able to light the candles on their cake for their 60th birthday party. What would you immediately suspect based only on this information and the injuries from this unit

A

carpal tunnel syndrome because the patient is struggling to use fine motor skills and they are over the age of 50

Anatomy (7 decks)

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