Muscles of the Forearm Flashcards
O of Brachioradialis m.
Lateral border of distal end of humerus
I of Brachioradialis m.
Superior to styloid process of radius
Action of Brachioradialis m.
Flexion of forearm at elbow jnt.
Innervation of Brachioradialis m.
Radial n.
O of Pronator teres m.
Medial epicondyle of humerus and coronoid process of ulna
I of Pronator teres m.
Mid-lateral shaft of radius
Action of Pronator teres m.
Pronation of forearm at radio-ulnar jnt, & flexion of forearm at elbow jnt.
Innervation of Pronator teres m.
Median n.
O of Flexi carpi radialis m.
Medial epicondyle of humerus
I of Flexi carpi radialis m.
Base of 2nd and 3rd metacarpal
Action of of Flexi carpi radialis m.
FLexion & abduction (radial deviation ) of hand and wrist at wrist jnt.
Innervation of Flexi carpi radialis m.
Median n.
Origin of Palmaris longus m.
Medial epicondyle of humerus
I of Palmaris longus m.
FLexor retinaculum & palmar aponeurosis
Action of Palmaris longus m.
Tenses plamar aponeurosis, flexion of hand at wrist jnt.
Innervation of Palmaris longus m.
Median n.
O of FLexi carpi ulnaris m.
Medial epicondyle of humerus
I of FLexi carpi ulnaris m.
Pisiform, hook of hamate & base of 5th metacarpal
Action of FLexi carpi ulnaris m.
Flexion & adduction (ulnar deviation) of hand at wrist jnt.
Innervation of FLexi carpi ulnaris m.
Ulnar n.
What is on the 2nd layer of the forearm ?
Flexor digitorum superficialis m.
O of Flexor digitorum superficialis m.
Medial epicondyle of humerus, proximal radius & ulna
I of Flexor digitorum superficialis m.
Middle phalanx of digits 2-5
Action of Flexor digitorum superficialis m.
Flexion of middle phalanges of digits 2-5, flexion of hand at wrist jnt.
Innervation of Flexor digitorum superficialis m.
Median n.
What is on the 3rd layer ?
Flexor digitorum profundus & Flexor pollicis longus
O of Flexor digitorum profundus m.
Anterior medial surface of shaft of ulna & interosseous membrane
I of Flexor digitorum profundus m.
Base of digital phalanges digits 2-5
Action of Flexor digitorum profundus m.
Flexion of distal phalanges of digits 2-5 & flexion of hand at wrist jnt.
Innervation of Flexor digitorum profundus m.
Median & ulnar n.
O of Flexor pollicis longus m.
Anterior surface of radius &interosseous membrane
I of Flexor pollicis longus m.
Base of distal phalanx of thumb
Action of Flexor pollicis longus m.
Flexion of distal phalanx of thumb