Posterior Arm Flashcards
1
Q
Triceps Brachii: O
Long/lateral/medial Head
A
- Infraglenoid Tubercle of Scapula (Long Head)
- Posterior surface of Humerus superior to Radial Groove (Lateral Head)
- Posterior surface of Humerus inferior to Radial Groove (Medial Head)
2
Q
Triceps Brachii: I
Long/lateral/medial Head
A
Olecranon process
3
Q
Triceps Brachii: N
Long/lateral/medial Head
A
Radial Nerve C6-8
4
Q
Triceps Brachii: A
Long/lateral/medial Head
A
- Extends Arm
- Steadies Head of abducted Humerus (Long head)
5
Q
Anconeus: O
A
Lateral Epicondyle of Humerus
6
Q
Anconeus: I
A
Lateral aspect of Olecranon and posterior superior aspect of Ulna
7
Q
Anconeus: N
A
Radial nerve
C7-8 T1)
8
Q
Anconeus: A
A
- Assists Triceps in Extending Forearm
- Stabilizes Elbow joint
- Abducts Ulna during pronation – the only muscle to do this
