LRA -217 Week 2 Flashcards
1
Q
what are the 3 concentric arcs int he elbow joint?
A
- Trochlear sulcus
- Outer ridges of Capitulum and Trochlea
- Trochlear notch of ulna
2
Q
what category of joint is the elbow?
A
- synovial
- diarthrodial
3
Q
what type of joint is the elbow?
A
- ginglymus/hinge joint
4
Q
what type of joint is the proximal radioulnar?
A
- trochoidal/pivot joint
5
Q
what carpal bones can we see when positioning in an ulnar deviation?
A
Scaphoid
6
Q
what carpal bones can we see when positioning in a radial deviation?
A
- Lunate
- Triquetrum
- Pisiform
- Hamate
7
Q
define a Supinated movement
A
- palm facing up
- radius and ulna bone are parallel
8
Q
define a pronated movement
A
- palm facing down
- radius and ulna bone cross over each other
9
Q
what are the 3 fat pads/stripes in the elbow joint?
A
- anterior fat pad
- Posterior fat pad
- Supinator fat pad
10
Q
how many radioulnar joints are there?
A
- 2
- proximal radialulnar
- distal radioulnar
11
Q
where is the head of the radius located at?
A
- elbow
12
Q
where is the head of the ulna located at?
A
- wrist
13
Q
where is the radial notch located?
A
- on the ulna
14
Q
where is the ulna head located?
A
- on the radius
15
Q
define the olecranon process
A
- it creates the elbow
- make the bump
