Elbow, Anterior Forearm Muscles Flashcards
OINAs
1
Q
Brachioradialis Action
A
- flex elbow in midpronated position
- assist to pronate and supinate forearm when movements are restricted/from end range
2
Q
Brachioradialis PA
A
lateral supra-epicondylar ridge of humerus
3
Q
Brachioradialis DA
A
distal lateral radius (proximal to styloid process)
4
Q
Brachioradialis Innervation
A
radial nerve (C5, C6, C7)
5
Q
Anconeus Action
A
- assist triceps w/ forearm extension
- stabilize elbow joint
- may abduct ulna during pronation
6
Q
Anconeus PA
A
lateral epicondyle of humerus
7
Q
Anconeus DA
A
lateral olecranon
8
Q
Anconeus Innervation
A
radial nerve (C7, C8, T1)
9
Q
Supinator Action
A
supinate forearm
10
Q
Supinator PA
A
lateral epicondyle of humerus, radial collateral ligament (RCL), annular ligament
11
Q
Supinator DA
A
lateral radius
12
Q
Supinator Innervation
A
PIN of radial nerve (C7, C8)
13
Q
Pronator Teres Action
A
- pronate forearm
- assists to flex elbow
14
Q
Pronator Teres PA
A
medial epicondyle of humerus (common flexor tendon), coronoid process
15
Q
Pronator Teres DA
A
middle radius