Anatomy of upper arm Flashcards
1
Q
The muscles of the front upper arm consist of 3 muscles
A
Bicep Brachii
Brachials muscle
Coracobrachialis muscle
2
Q
Bicep muscle function
A
Biceps is a strong supinator
Flexes the elbow joint
Long head of biceps stabilizes shoulder joint
3
Q
Brachialis muscles function
A
Primary flexor of the elbow joint
4
Q
Coracobrachialis muscle function
A
Flexion and adduction of the shoulder
5
Q
Arises from the lateral cord of the brachial plexus. It is the primary nerve supply to these 3 muscles. (lateral cutaneous n. of the forearm)
A
Musclocutaneous nerve
6
Q
Tricep muscle Function
A
powerful extensor of the elbow joint
muscle has 3 heads (long, Lateral,and medial)
7
Q
Radial nerve
A
from the posterior cord of the brachial plexus
