Arm Flashcards
1
Q
Biceps Brachii
A
Origin: Coracoid process, Supraglenoid tubercle
Insertion: Radial tuberosity
Action: Powerful flexor of forearm at elbow joints, Powerful supinator of forearm, weak flexor of arm at glenohumeral joint
Nerve: Musculocutaneous
2
Q
Coracobrachialis
A
Origin: Coracoid process
Insertion: Mid-shaft humerus
Action: Flexion of arm at glenohumeral joint
Nerve: Musculocutaneous
3
Q
Brachialis
A
Origin: Anterior humerus
Insertion: Ulnar tuberosity
Action: Flexes forearm
Nerve: Musculocutaneous
4
Q
Triceps Brachii
A
Origin: Long head - Infraglenoid tubercle
Lateral head - Posterior lateral suface of humerus
Medial head - Posterior medial surface of humerus
Insertion: Olecranon of ulna
Action: Extends forearm
Nerve: Radial
