UL: Forearm Flashcards
Superficial layer of muscles of anterior compartment
Flexor carpi ulnaris
Palmaris longus
Flexor carpi radialis
Pronator teres
Origin and insertion of flexor carpi ulnaris
Humeral head - medial epicondyle
Ulnar head- olecranon
Origin and insertion of palmaris longus
Medial epicondyle
To palmar aponeurosis
Origin and insertion of flexor carpi radialis
medial epiconyle
base of 2,3 metacapal
Origin and insertion of pronator teres
Humeral head: medial epicondyle
Ulnar head: coronoic process
To midshaft of radius
Innervation of superficial muscles of forearm
Median- all except flexor carpi ulnaris (ulnar nerve)
Action of flexor carpi ulnaris
Wrist flexion
Adduction
Action of palmaris longsu
Flexion of wrist
Action of flexor carpi radialis
Flexion and abduction of wrist
Action of pronator teres
pronation
Intermediate muscles of forearm
Flexor digitorum superficialis
Origin and insertion of flexor digitorum superficialis
Humero-ulnar head- medial epicondyle and coronoid process
Radial head: oblique line of radius
To middle phalanges
Innervation of flexor digitorum superficialis
median nerve
Action of flexor digitorum superficialis
flexes PIP joint
Deep muscles of anterior compartment of forearm
Flexor digitorum profundus
Flexor pollicis longus
Pronator quadratus
Origin and insertion of flexor digitorum profundus
Ulna and interosseus membrane
Distal phalanges
Origin and insertion of flexor pollicis longus
Mid radius to distal phalanx of thumb
Origin and insertion of pronator quadratus
anterior ulna to anterior radius
Innervation of flexor digitorum profundus
Lateral half: anterior interosseus (median)
Medial half: ulnar
Innervation of flexor pollicis longus
Anterior interosseous (median)
Innervation of pronator teres
Anterior interosseous (median)
Action of flexor digitorum profundus
DIP flexion