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
Innervation of Flexor pollicis longus m.
Median n.
What is on the 4th layer ?
Pronator quadratus
O of Pronator quadratus m.
Distal shaft of ulna
I of Pronator quadratus m.
Distal shaft of radius
Action of Pronator quadratus m.
Pronation of forearm at radio-ulnar jnt.
Innervation of Pronator quadratus m.
Median n.
O of Extensor carpi radialis longus m.
Lateral supracondylar ridge of humerus
I of Extensor carpi radialis longus m.
Base of 2nd metacarpal
Action of Extensor carpi radialis longus m.
Extension and abduction of hand wrist jnt.
Innervation of Extensor carpi radialis longus m.
Radial n.
O of Extensor carpi radialis brevis m.
Lateral epicondyle of humerus
I of Extensor carpi radialis brevis m.
Base of 3rd metacarpal
Action of Extensor carpi radialis brevis m.
Extension and abduction of hand at wrist jnt.
Innervation of Extensor carpi radialis brevis m.
Radial n.
O of Extensor digitorum m.
Lateral epicondyle of humerus
I of Extensor digitorum m.
Middle & distal phalanges of digits 2-5
Action of Extensor digitorum m.
Extension of digits 2-5 & exentsion of hand at wrist jnt.
Innervation of Extensor digitorum m.
Radial n.
O of Extensor digiti minimi m.
Lateral epicondyle of humerus
I of Extensor digiti minimi m.
Tendon of extensor digitorum on 5th phalanx
Action of Extensor digiti minimi m.
Extension of 5th digit
Innervation of Extensor digiti minimi m.
Radial n.
O of Extensor carpi ulnaris m.
Lateral epicondyle of humerus & posterior border of ulna
I of Extensor carpi ulnaris m.
Base of 5th metarcarpal
Action of Extensor carpi ulnaris m.
Extension & adduction (ulnar deviation ) of hand at wrist jnt.
Innervation of Extensor carpi ulnaris m.
Radial n.
O of Anconeus m.
Lateral epicondyle of humerus
I of Anconeus m.
Olecranon of ulna
Action of Anconeus m.
Extension of forearm at elbow jnt.
Innervation of Anconeus m.
Radial n.
O of Supinator m.
Lateral epicondyle of humerus
I of Supinator m.
Lateral proximal 1/3 of radius
Action of Supinator m.
Supination of forearm at radio-ulnar jnts.
Innervation of Supinator m.
Radial n.
O of Abductor pollicis longus m.
Posterior middle surface of radius and ulna & interosseous membrane
I of Abductor pollicis longus m.
Base of 1st metacarpal
Action of Abductor pollicis longus m.
Abduction and extension of thumb & abduction of hand at wrist jnt.
Innervation of Abductor pollicis longus m.
Radial n.
O of Extensor pollicis brevis m.
Posterior middle surface of radius & interosseous membrane
I of Extensor pollicis brevis m.
Base of proximal phalanx of thumb
Action of Extensor pollicis brevis m.
Extension of proximal phalanx of thumb, extension of 1st metacarpal & abduction of hand at wrist jnt.
Innervation of Extensor pollicis brevis m.
Radial n.
O of Extensor pollicis longus m.
Posterior middle surface of ulna & interosseous membrane
I of Extensor pollicis longus m.
Base of distal phalanx of thumb
Action of Extensor pollicis longus m.
Extension of distal phalanx of thumb, extension of 1st metacarpal and abduction of hand at wrist jnt.
Innervation of Extensor pollicis longus m.
Radial n.
O of Extensor indicis m.
Posterior middle surface of ulna & interosseous membrane
I of Extensor indicis m.
Blends into tendon of extensor digitorum of 2nd digit
Action of Extensor indicis m.
Extension of index finger & extension of hand at wrist jnt.
Innervation of Extensor indicis m.
Radial n.
