Anterior and Posterior Arm Flashcards
(20 cards)
Biceps Brachii Origin
Short head- coracoid process
Long Head- Supraglenoid tubercle of scapula
Biceps Brachii Insertion
radial tuberosity
Biceps Brachii Action
Supination and flexion at the elbow
Biceps Brachii Innervation
Musculocutaneous
Brachialis Origin
Distal half of anterior suface of humerus
Brachialis Insertion
Coronoid process and tuberosity of humerus
Brachialis Action
Flex forearm
Brachialis Innervation
Musculocutaneous
Coracobrachialis Origin
coracord process
Coracobrachialis Insertion
Middle 1/3 of medial surface of humerus
Coracobrachialis Action
Flex and adduct arm
Coracobrachialis Innervation
Musculocutaneous
Triceps Brachii Origin
Long head- infraglenoid tubercle of scapula
Lateral head- posterior surface of humerus superior to radial groove
Medical head- posterior surface of humerus inferior to radial groove
Triceps Brachii Insertion
Olecranon of ulna
Tricheps Brachii Action
Extension of forearm, long head extends arm
Triceps Brachii Innervation
Radial
Anconeus Origin
Lateral epicondyle of humerus
Anconeus Insertion
Lateral surface of the olecranon and posterior part of the ulna
Anconeus Action
Extends forearm, adducts ulna during pronation
Anconeus Innervation
Radial
