Posterior Extensor Compartment Flashcards
1
Q
Brachioradialis (Lateral)
A
- Radial Nerve (C5-C6)
- Elbow Flexion
- Supination and Pronation of the forearm
2
Q
Extensor Carpi Radialis Longus (Lateral)
A
- Radial Nerve (C6-C7)
- Weak flexion of the elbow and extension
- Weak abduction at the wrist
3
Q
Extensor Carpi Radialis Brevis (Lateral)
A
- Radial Nerve (C7-C8)
- Weak flexion of the elbow and extension
- Weak abduction at the wrist
4
Q
Anconeus (Post. Superficial)
A
- Radial Nerve
- Extension of the forearm
5
Q
Extensor Carpi Ulnaris (Post. Superficial)
A
- Radial Nerve (C7-C8)
- Ext. and add. of the wrist
6
Q
Extensor Digitorum (Post. Superficial)
A
- Radial Nerve
- Largest Muscle in Group
- Extension of the wrist
- Abduction of 2-5 fingers
- Extension of the MCP, proximal and distal IP joints of the 2nd-5th fingers
7
Q
Extensor Digiti Minimi (Post. Superficial)
A
- Posterior Interosseous Nerve
- Ext. and ulnar abduction of the wrist
- Abd. and Ext. of the MCP, proximal and distal IP joints of the 5th digit
8
Q
Supinator (Post. Deep)
A
- Radial Nerve (C6-C7)
- Supination of the forearm at the proximal radioulnar joint
9
Q
Abductor Pollicis Longus (Post. Deep)
A
- Radial Nerve
- Abd. of the radiocarpal jt. and carpometacarpal jt. of the 1st digit
10
Q
Extensor Pollicis Brevis (Post. Deep)
A
- Posterior Interosseous Nerve
- Abd. of the RC jt.
- Ext. of the CMP and MTCP joints of the 1st digit
11
Q
Extensor Pollicis Longus (Post. Deep)
A
- Posterior Interosseus Nerve
- Ext. and radial abduction of the wrist
- Abd. of the CMC jt. of the 1st digit
- Ext. of the MCP and IP joints of the 1st digit
12
Q
Extensor Indicis (Post. Deep)
A
- Posterior Interosseus Nerve
- Ext. of the wrist
- Ext. of the MCP, proximal and distal IP joints of the 2nd digit
13
Q
Abductor Pollicis Brevis (Post. Deep)
A
- Median Nerve
- Abd. of the CMC jt. of the 1st digit