Anterior Compartment Of Arm And Musculocutaneous Nerve Flashcards
Where does the short head of the biceps muscle originate?
Coracoid process of the scapula
Where does the long head of the biceps muscle originate?
Supraglenoid tubercle of the scapula.
What is the action of the biceps muscle?
Flexes both the shoulder and the elbow joint.
Where does the coracobrachialis insert into?
Medial aspect of the mid shaft of the humerus.
What is the action of the coracobrachialis muscle?
Flex and adduct the arm at the shoulder joint.
Where does the brachialis muscle arise from?
Anterior surface of the distal shaft of the humerus.
Where does the brachialis muscle attach to?
Coronoid process of the ulna
What is the main action of the brachialis muscle?
Flex the elbow joint
What nerve supplies all muscles in the anterior compartment of the arm?
Musculocutaneous nerve
What is the segmental root value of the musculocutaneous nerve?
C5-7
