Practical 1 Flashcards
Pronator Quadratus - O/I
Origin:Medial, anterior surface of distal ulna
Insertion Lateral, anterior surface of distal radius
Pronator Quadratus Action
Pronate the forearm at radioulnar joints
Supinator- O/I
Origin:Lateral epicondyle
Insertion: Anterior, lateral surface of proximal one-third of radial shaft
Supinator Action
Supinate the forearm at radioulnar joints
Extensor Carpi Radialis Longus O/I
Origin:Supracondylar ridge of the lateral humeru
Insertion: Base of 2ndmetacarpa
Extensor Carpi Radialis Longus Action
Extends and radially (abducts) deviates the wrist
Extensor Carpi Radialis Brevis O/I
O:lateral epicondyle of humerus
I: Base of 3rdmetacarpal
Extensor Carpi Radialis Brevis Action
Extends and radially (abducts) deviates the wrist
Extensor Carpi Ulnaris O/I
O: Lateral Epicondyle of humerus
I: Base of 5thmetacarpal
Extensor Carpi Ulnaris Action
Wrist Extension (also Ulnar Deviation)
Extensor Digitorum O/I
O:lateral epicondyle of humerus
I:middle and distal phalangeals of digits 2-5
Extension Digitorum Action
MCP Extension
Extensor Indices O/I
O: Posterior distal ulna
I: 2ndmetacarpal
Extensor Indices Action
Index MCP Extension
Extensor Digiti Minimi O/I
O: lateral epicondyle
I:Extensor expansion at digit #5
Extensor Digit Minimi Action
Little MCP Extension
Flexor Carpi Radialis O/I
O: medial epicondyle
I: Base of the 2nd and 3rdmetacarpals
Flexor Carpi Radialis Action
Wrist Flexion (also Radial Deviation
Palmaris Longus O/I
O: medial epicondyle
I: Palmar aponeurosis and flexor retinaculum of the hand
Palmaris Longus Action
Assists with wrist flexion
Flexor Carpi Ulnaris O/I
O: medial epicondyle
I: Base of the 5thmetacarpal and pisiform