Forearm and Hand Part 1 Flashcards
Brachialis Action
Flex the elbow
Brachialis Origin
Distal half of anterior surface of humerus
Brachialis Insertion
Tuberosity and coronoid process of the ulna
Brachioradialis Action
Flex the elbow
Assist to pronate and supinate the forearm when these movements are resisted
Brachioradialis Origin
Proximal two thirds of the lateral supracondylar ridge of humerus
Brachioradialis Insertion
Styloid process of radius
Extensor Carpi Radialis Longus and Brevis Action
Extend the wrist
Abduct the wrist
Assist to flex the wrist
Extensor Carpi Radialis Longus and Brevis Origin: Longus and Brevis
Longus: Distal one third of the lateral supracondylar ridge of the humerus
Brevis: Common extensor tendon from the lateral epicondyle of humerus
Extensor Carpi Radialis Longus and Brevis Insertion: Longus and Brevis
Longus: Base of the second metacarpal
Brevis: Base of the third metacarpal
Extensor Carpi Ulnaris Action
Extend the wrist
Adduct the wrist
Extensor Carpi Ulnaris Origin
Common extensor tendon from the lateral epicondyle of humerus
Extensor Carpi Ulnaris Insertion
Base of the fifth metacarpal
Extensor Digitorum Action
Extend the second through fifth fingers
Assist to extend the wrist
Extensor Digitorum Origin
Common extensor tendon from the lateral epicondyle of humerus
Extensor Digitorum Insertion
Base of middle and distal phalanges of second through fifth finger
Anconeus Action
Extend the elbow
Anconeus Origin
Lateral epicondyle of humerus
Anconeus Insertion
Olecranon process and posterior, proximal surface of ulna
Extensor Indicis Action
Extend the second finger
Adduct the second finger
May assist to extend the wrist
Extensor Indicis Origin
Posterior surface of distal shaft of ulna and interosseous membrane
Extensor Indicis Insertion
Tendon of the extenson digitorum at the level of the second metacarpal
Carpals break down
Some Lovers Try Positions That They Cant Handle
Scaphoid
Lunate
Triquetrum
Pisiform
Trapezoid
Trapezium
Capitate
Hamate
