Anterior & Posterior Arm Muscle Flashcards
Origin of Coracobrachialis
Coracoid Process
Insertion for Coracobrachialis
Distal medial aspect of humerus
Innervation for Coracobrachialis
musculocutaneous nerve C5-7
Action for Coracobrachialis
shoulder flexion, adduction
Origin for Bicep Brachii
Short head: Coracoid Process
Long Head: Supraglenoid tubercle
Insertion for Bicep Brachii
Radial Tuberosity
innervation for Bicep Brachii
Musculocutaneous C5-7
Action for Bicep Brachii
Supination, elbow flexion, Shoulder flexion (LH)
Origin for Brachialis
Distal 1/3 of the humerus
Insertion for Brachialis
Coronoid Process of ulna
Innervation for Brachialis
Musculocutaneous C5-7
Action for Brachialis
Elbow Flexion
Origin for Tricep
Long head: Infraglenoid tubercle
Lateral Head: Posterior aspect of the humerus superior to the radial groove
Medial Head: Posterior aspect of the humerus inferior to the radial groove
Insertion for Tricep
Olecranon process of ulna
Origin for Anconeus
Lateral epicondyle of humerus
Insertion for anconeus
olecranon process, posterior aspect of ulna
Innervation for anconeus
Radial Nerve C6-8
Action for anconeus
assist in elbow extension, stabilize elbow in extension
Innervation for Tricep
Radial Nerve C6-8
Action for Tricep
Elbow Extension, shoulder extension (LH)