Test 3 Lecture 11 Flashcards Preview

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Flashcards in Test 3 Lecture 11 Deck (24)
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1
Q

The condyle of the elbow is made up of?

A

Radial fossa
Coronoid fossa
Capitulum
Trochlea

2
Q

Which is more lateral? Capitulum or trochlea?

A

Capitulum

3
Q

Which is more medial? Capitulum or trochlea?

A

Trochlea

4
Q

Which is more medial? The ulnar nerve or ulnar artery?

A

Ulnar nerve

5
Q

What shape is the trochlea?

A

Spoil shaped

6
Q

Which is longer the radius or ulna?

A

Ulna

7
Q

Two projections of the ulna

A

Olecranon
Coronoid
These form the trochlear notch

8
Q

What does the radius do during pronation and supination?

A

The radius rotates around the ulna

9
Q

What is the function of the interosseous membrane?

A

Transmission of forces from the radius and hands to the ulna then humerus

10
Q

The elbow joint capsule is weak where?

A

Anteriorly and posteriorly

- Strengthened on the sides by collateral ligaments

11
Q

How many bands does the UCL have?

A

3
Anterior cord
Posterior fan
Oblique band

12
Q

What is the strongest band of the UCL?

A

Anterior band

13
Q

What is the weakest of the UCL bands?

A

Posterior band

14
Q

What is the strongest flexor of the forearm?

A

Brachialis

15
Q

What is the strongest supinator of the forearm?

A

Biceps brachii

16
Q

What is the chief extensor of the forearm?

A

Triceps brachii

17
Q

What nerves supply the elbow?

A

Musculocutaneous, radial, ulnar

18
Q

What type of joint is the proximal radio-ulnar joint?

A

Pivot type synovial joint

19
Q

Pronator muscles are typically innervated by what?

A

Median nerve

20
Q

Supinator a are mainly innervated by what?

A

Musculocutaneous and radial nerves

21
Q

What type of joint is the distal radio-ulnar joint?

A

Pivot type synovial joint

22
Q

Blood supply of the distal radio-ulnar joint is?

A

Anterior and posterior interosseous arteries

23
Q

Innervation of the radio-ulnar joint?

A

Anterior and posterior interosseous nerves

24
Q

What type of joint is the elbow?

A

Hinge type synovial joint