Test 3 Lecture 11 Flashcards Preview

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

The condyle of the elbow is made up of?

Radial fossa
Coronoid fossa
Capitulum
Trochlea

2

Which is more lateral? Capitulum or trochlea?

Capitulum

3

Which is more medial? Capitulum or trochlea?

Trochlea

4

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

Ulnar nerve

5

What shape is the trochlea?

Spoil shaped

6

Which is longer the radius or ulna?

Ulna

7

Two projections of the ulna

Olecranon
Coronoid
These form the trochlear notch

8

What does the radius do during pronation and supination?

The radius rotates around the ulna

9

What is the function of the interosseous membrane?

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

10

The elbow joint capsule is weak where?

Anteriorly and posteriorly
- Strengthened on the sides by collateral ligaments

11

How many bands does the UCL have?

3
Anterior cord
Posterior fan
Oblique band

12

What is the strongest band of the UCL?

Anterior band

13

What is the weakest of the UCL bands?

Posterior band

14

What is the strongest flexor of the forearm?

Brachialis

15

What is the strongest supinator of the forearm?

Biceps brachii

16

What is the chief extensor of the forearm?

Triceps brachii

17

What nerves supply the elbow?

Musculocutaneous, radial, ulnar

18

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

Pivot type synovial joint

19

Pronator muscles are typically innervated by what?

Median nerve

20

Supinator a are mainly innervated by what?

Musculocutaneous and radial nerves

21

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

Pivot type synovial joint

22

Blood supply of the distal radio-ulnar joint is?

Anterior and posterior interosseous arteries

23

Innervation of the radio-ulnar joint?

Anterior and posterior interosseous nerves

24

What type of joint is the elbow?

Hinge type synovial joint