Arm Flashcards
List the anterior muscles of the arm
Biceps brachii
Coracobrachialis
Brachialis
What is the origin + insertion of long head of biceps brachii?
Supraglenoid tubercle of scapula
Radial tuberosity
What is the origin + insertion of short head of biceps brachii?
Coracoid process of scapula
Radial tuberosity
What is the nerve + arterial supply to biceps brachii?
Musculocutaneous nerve
Brachial artery
Which movements does biceps brachii enable?
Elbow: flexion
Shoulder: flexion, abduction
Forearm: supination
What is the origin + insertion of coracobrachialis?
Coracoid process of scapula
Medial humerus
What is the nerve + arterial supply to coracobrachialis?
Musculocutaneous nerve
Brachial artery
Which movements does coracobrachialis enable?
Arm: adduction, flexion
What is the origin + insertion of brachialis?
Distal anterior humerus
Coronoid process of ulna
What is the nerve + arterial supply to brachialis?
Musculocutaneous nerve
Radial recurrent artery
Which movements does brachialis enable?
Elbow: flexion
Name the posterior muscle of the arm
Triceps brachii
What is the origin + insertion of long head of triceps brachii?
Infraglenoid tubercle of scapula
Triceps tendon
What is the origin + insertion of medial head of triceps brachii?
Inferior to radial sulcus
Triceps tendon
What is the origin + insertion of lateral head of triceps brachii?
Superior to radial sulcus
Triceps tendon