Extensor muscles in the hand/wrist
What is the insertion of extensor carpi radialis longus?
dorsal base of 2nd metacarpal
What is the insertion of extensor carpi radialis brevis?
dorsal base of 3rd metacarpal
What is the insertion of extensor carpi ulnaris?
dorsal base of 5th metacarpal
What is the function of extensor digitorium communis?
extends wrist & all finger joints
What is the insertion of extensor digitorium communis?
extensor hoods of digits 2-5
What is the origin of extensor carpi radialis brevis?
lateral epicndyle of humerus
What is the origin of extensor digitorium communis?
lateral epicondyle of humerus
What is the origin of extensor carpi ulnaris?
lateral epicondyle of humerus & posterior ulna
What is the origin of extensor carpi radialis longus?
lateral supracondylar ridge of humerus
What is the innervation of extensor carpi radialis brevis?
radial nerve (C6-7)
What is the innervation of extensor carpi radialis longus?
radial nerve (C6-7)
What is the innervation of extensor carpi ulnaris?
radial nerve (C6-7)
What is the innervation of extensor digitorium communis?
radial nerve (C6-7)
Where is the innervation of extensor muscles?
radial nerve (C6-7)
What is the function of extensor carpi radialis brevis?
wrist extension, radial deviation
What is the function of extensor carpi radialis longus?
wrist extension, radial deviation
What is the function of extensor carpi ulnaris?
wrist extension, ulnar deviation
