elbow, forearm and wrist Flashcards

elbow joint: describe the anatomy of the elbow joint; demonstrate the movements of flexion and extension; identify the muscles responsible for these movements; list the main attachments and nerve supply of these muscles

1
Q

elbow type of joint

A

synovial hinge joint

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

where is the elbow joint between

A

humerus proximally and ulna and radius distally

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

where does the distal humerus articulate with the ulna

A

at trochlea (medial condyle)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

where does distal humerus articulate with the radius, and significance

A

at capitulum (lateral condyle), but only in full flexion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

3 ligaments which contribute to elbow joint stability and allow pronation and supination or radio-ulnar joints

A

medial (ulnar) collateral ligament, lateral (radial) collateral ligament, annular ligament (part of proximal radio-ulnar joint)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

2 movements of elbow joint

A

flexion, extension

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

4 flexors of elbow joint and nerve spinal levels

A

brachialis, biceps brachii, brachioradialis, assistance from pronator teres; C5,6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

2 extensors of elbow joint and nerve spinal levels

A

triceps brachii, anconeus; C6,7

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

define carrying angle, and what this usually is

A

deviation (abduction) of long axis of radius and ulna from that of humerus in extension (larger in women, but usually 5-15 degrees)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

what bursa lies at the posterior of the elbow and frequently becomes inflamed

A

olecranon bursa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly