Flashcards in Test 3 Lecture 11 Deck (24)
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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
