Elbow and Forearm Complex

Question 1

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

Answer 1

valgus

Question 2

What is the male carrying angle?

Answer 2

5-15 degrees

Question 3

What is the female carrying angle?

Answer 3

10-15 degrees

Question 4

What does the carrying angle do?

Answer 4

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

Question 5

Describe FLX at the humeroulnar and humeroradial joints.

Answer 5

Ulna and radius anteriorly roll and glide

Question 6

Describe EXT at the humeroulnar and humeroradial joints.

Answer 6

Ulna and radius posteriorly roll and glide

Question 7

What is the open packed position of the humeroulnar joint?

Answer 7

70 degrees FLX
10 degrees SUP

Question 8

What is the close packed position of the humeroulnar joint?

Answer 8

Full EXT and SUP

Question 9

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

Answer 9

Flexion

Question 10

What is the open packed position of the humeroradial joint?

Answer 10

Full elbow EXT and SUP

Question 11

What is the close packed position of the humeroradial joint?

Answer 11

90 degrees FLX
5 degrees SUP

Question 12

Is the radius or ulna shorter?

Answer 12

radius

Question 13

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

Answer 13

70 degrees elbow FLX
35 degrees SUP

Question 14

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

Answer 14

5 degrees SUP

Question 15

Describe the capsular pattern of the proximal radioulnar joint.

Answer 15

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

Question 16

Describe proximal radioulnar joint SUP.

Answer 16

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

Question 17

Describe proximal radioulnar joint PRON.

Answer 17

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

Question 18

What is the range of elbow FLX/EXT?

Answer 18

0-150 degrees

Question 19

What is the range of forearm PRON/SUP?

Answer 19

0-90 degrees

Question 20

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

Answer 20

5th digit

Question 21

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

Answer 21

biceps

Question 22

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

Answer 22

brachialis

Question 23

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

Answer 23

brachioradialis

Question 24

What muscles are you testing with elbow EXT contractile testing?

Answer 24

triceps
anconeus

Question 25

What muscles are you testing with SUP contractile testing?

Answer 25

supinator biceps

Question 26

What muscles are you testing with PRON contractile testing?

Answer 26

PT PQ

Question 27

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

Answer 27

- have the target muscle contracted repeatedly to ensure you have the right tendon - palpate as close to the tendon as possible

Question 28

Where does the MCL connect?

Answer 28

medial epicondyle of humerus to the proximal medial ulna

Question 29

What does the MCL do?

Answer 29

Provides medial elbow against valgus forces

Question 30

What are the parts of the MCL?

Answer 30

anterior band posterior band transverse band

Question 31

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

Answer 31

20-30 degrees of flexion

Question 32

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

Answer 32

milking maneuver

Question 33

What does the LCL attach to?

Answer 33

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

Question 34

What does the LCL do?

Answer 34

Provide stability against varus forces

Question 35

What are the lateral epicondylitis tests?

Answer 35

mill's test maudsley's test cozen's test tinel's test

Question 36

What mobilization of the humeroradial joint restores FLX?

Answer 36

anterior glide of the radius

Question 37

What mobilization of the humeroradial joint restores EXT?

Answer 37

posterior glide of the radius

Question 38

What mobilization of the proximal radioulnar joint restores SUP?

Answer 38

anteromedial glide of the radius

Question 39

What mobilization of the proximal radioulnar joint restores PRON?

Answer 39

posterolateral glide of the radius