Deep Compartment Of Anterior Forearm Flashcards
What are the muscles in the deep compartment of the anterior forearm? (3)
Flexor pollicis longus, flexor digitorum profundus, pronator quadratus
Origin of flexor pollicis longus
Anterior surface of radius and surrounding interosseous membrane
Insertion of flexor pollicis longus
Base of distal phalanx of thumb
Action of flexor pollicis longus
Flexes IPJ and MCPJ of thumb
Innervation of flexor pollicis longus
Median nerve
Origin of flexor digitorum profundus
Ulna and associated interosseous membrane
Insertion of flexor digitorum profundus
Distal phalanges of 4 fingers
Action of flexor digitorum profundus
Flex DIPJs of fingers, flexes MCPJs at wrist
Innervation of flexor digitorum profundus
Medial half- ulnar nerve
Lateral half- anterior interosseous branch of median nerve
Origin of pronator quadratus
Anterior surface of ulna
Insertion of pronator quadratus
Anterior surface of radius
Action of pronator quadratus
Pronates forearm
Innervation of pronator quadratus
Median nerve