wrist Flashcards
pronator teres
O: medial supracondylar ridge (common flexor tendon) and coronoid process of ulna
I: 1/3 of radius
A: pronates forearm
N: median nerve c6-c7
flexor carpi radialis
O: medial epicondyle of humerus
I: palmar aspects of second and third metacarpal bones
A: flexes hand at wrist, radial deviation
N: median nerve c6-c7
palmaris longus
O: medial epicondyle of humerus
I: palmar aponeurosis and flexor retinaculum
A: flexes hand, stabilizes palmar aponeurosis
N: median nerve c7-c8
flexor digitorum superficialis
O: medial epicondyle of humerus , sublime tubercle of ulna, proximal radius
I: palmar aspects of bodies of middle phalanges of middle, ring, and little fingers
A: flexes index, middle, ring, and little
N: median nerve c7-t1
flexor carpi ulnaris
O: medial epicondyle of humerus, proximal body of ulna, olecranon of ulna
I: pisiform, hook of hamate, palmar aspect base of 5th metacarpal
A: flexion at wrist, ulnar deviation
N: ulnar nerve c7-t1
flexor digitorum profundus
O: medial aspect coronoid process of ulna, anterior and medial ulna
I: palmar aspects distal phalanges of index, middle, ring, and little fingers
A: flexes index, middle, ring, and little fingers
N: medial- ulnar nerve c8-t1, lateral- median nerve c8-t1
pronator quadratus
O: ant distal 1/4 of ulna
I: ant distal 1/4 of radius
A: pronates forearm
N: ant. antebrachial interosseous nerve c7-c8
extensor carpi radialis longus
O: lateral supracondylar ridge of humerus
I: dorsal aspect of 2nd metacarpal base
A: extension and radial deviation
N: radial nerve c6-c7
extensor carpi radialis brevis
O: lateral epicondyle
I: dorsal base of 3rd metacarpal bone
A: extends wrist, radial deviation
N: radial nerve c7-c8, post. antebrachial interosseous nerve c7-c8
extensor digitorum
O: lateral epicondyle
I: dorsal aspects of middle and distal phalanges of index, middle, ring, and little fingers
A: extension of index, middle ring, and little
N: post. antebrachial interosseous nerve (c7-c8)
extensor carpi ulnaris
O: lateral epicondyle, post border of ulna
I: medial aspect of base of 5th metatarsal bone
A: extension and ulnar deviation
N: post. antebrachial interosseous nerve c7-c8
supinator
O; lateral epicondyle, supinator crest and fossa of ulna
I: proximal 1/3 radius
A: supinates forearm
N: post. antebrachial interosseous nerve c6-c7
