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Musculoskeletal > Elbow and Forearm Complex > Flashcards

Elbow and Forearm Complex Flashcards

1
Q

The carrying angle of the elbow is the slight (varus/valgus) orientation between the articulating surfaces of the humeroulnar joint

A

valgus

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2
Q

What is the male carrying angle?

A

5-15 degrees

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3
Q

What is the female carrying angle?

A

10-15 degrees

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4
Q

What does the carrying angle do?

A

It helps direct the ulna laterally during elbow EXT and allows it to flex efficiently

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5
Q

Describe FLX at the humeroulnar and humeroradial joints.

A

Ulna and radius anteriorly roll and glide

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6
Q

Describe EXT at the humeroulnar and humeroradial joints.

A

Ulna and radius posteriorly roll and glide

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7
Q

What is the open packed position of the humeroulnar joint?

A

70 degrees FLX
10 degrees SUP

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8
Q

What is the close packed position of the humeroulnar joint?

A

Full EXT and SUP

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9
Q

(flexion/extension) is more restricted in the humeroulnar joint.

A

Flexion

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10
Q

What is the open packed position of the humeroradial joint?

A

Full elbow EXT and SUP

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11
Q

What is the close packed position of the humeroradial joint?

A

90 degrees FLX
5 degrees SUP

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12
Q

Is the radius or ulna shorter?

A

radius

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13
Q

What is the open packed position of the proximal radioulnar joint?

A

70 degrees elbow FLX
35 degrees SUP

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14
Q

What is the close packed position of the proximal radioulnar joint?

A

5 degrees SUP

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15
Q

Describe the capsular pattern of the proximal radioulnar joint.

A

Minimal motion loss and pain at end-ranges of PRON/SUP

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16
Q

Describe proximal radioulnar joint SUP.

A

radial head rolls posterolaterally and glides anteromedially on the radial notch of the ulna

17
Q

Describe proximal radioulnar joint PRON.

A

radial head rolls anteromedially and glides posteromedially on the radial notch of the ulna

18
Q

What is the range of elbow FLX/EXT?

A

0-150 degrees

19
Q

What is the range of forearm PRON/SUP?

A

0-90 degrees

20
Q

When performing quadrant testing, always scour in the direction of the patient’s ___ digit.

A

5th digit

21
Q

What muscle is being tested with elbow flexion while the forearm is supinated?

A

biceps

22
Q

What muscle is being tested with elbow flexion while the forearm is pronated?

A

brachialis

23
Q

What muscle is being tested with elbow flexion while the forearm is is neutral?

A

brachioradialis

24
Q

What muscles are you testing with elbow EXT contractile testing?

A

triceps
anconeus

25
Q

What muscles are you testing with SUP contractile testing?

A

supinator
biceps

26
Q

What muscles are you testing with PRON contractile testing?

A

PT
PQ

27
Q

What are the rules for palpating muscles and muscle tendons of the elbow?

A
  • have the target muscle contracted repeatedly to ensure you have the right tendon
  • palpate as close to the tendon as possible
28
Q

Where does the MCL connect?

A

medial epicondyle of humerus to the proximal medial ulna

29
Q

What does the MCL do?

A

Provides medial elbow against valgus forces

30
Q

What are the parts of the MCL?

A

anterior band
posterior band
transverse band

31
Q

To test the anterior band of the MCL, what position should you place the elbow in?

A

20-30 degrees of flexion

32
Q

To test the posterior band of the MCL, what valgus test should you use?

A

milking maneuver

33
Q

What does the LCL attach to?

A

lateral epicondyle of the humerus
annular ligament at the radial head
supinator crest of ulna

34
Q

What does the LCL do?

A

Provide stability against varus forces

35
Q

What are the lateral epicondylitis tests?

A

mill’s test
maudsley’s test
cozen’s test
tinel’s test

36
Q

What mobilization of the humeroradial joint restores FLX?

A

anterior glide of the radius

37
Q

What mobilization of the humeroradial joint restores EXT?

A

posterior glide of the radius

38
Q

What mobilization of the proximal radioulnar joint restores SUP?

A

anteromedial glide of the radius

39
Q

What mobilization of the proximal radioulnar joint restores PRON?

A

posterolateral glide of the radius

Musculoskeletal (23 decks)

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