Arm Flashcards
1
Q
Origin of the Biceps Brachii
A
- Short head: Coracoid process/scapula
- Long head: Supraglenoid tuberosity/scapula
2
Q
Insertion of the Biceps Brachii
A
- Tuberosity/radius
- Shaft/ulna
3
Q
Action of the Biceps Brachii
A
- Flexion of the forearm
- Supinates radius
4
Q
Nerve supply of the Biceps Brachii
A
- Musculocutaneous nerve
5
Q
Origin of the Coracobrachialis
A
- Coracoid process/scapula
6
Q
Insertion of the Coracobrachialis
A
- Shaft/humerus
7
Q
Action of the Coracobrachialis
A
- Flexion and weak adduction of the arm (shoulder joint)
- Stabilizes shoulder joint
8
Q
Nerve supply of the Coracobrachialis
A
- Musculocutaneous nerve
9
Q
Origin of the Brachialis
A
- Shaft/humerus
10
Q
Insertion of the Brachialis
A
- Coranoid process/ulna
11
Q
Action of the Brachialis
A
- Flexes at the forearm
12
Q
Nerve supply of the Brachialis
A
- Musculocutaneous nerve
13
Q
Origin of the Triceps Brachii
A
- Long head: Infraglenoid tubercle/scapula
- Lateral head: Shaft/humerus
- Medial head: Shaft/humerus
14
Q
Insertion of the Triceps Brachii
A
- Olecranon fossa/ulna
15
Q
Action of the Triceps Brachii
A
- Extension of the forearm
