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IOAN

muscles of the wrist/hand

Muscle OriginInsertion ActionInnervation
Flexor carpi Radialis medial epicondyle of the humerus base of second and third metacarpals wrist flexion and radial deviation median nerve
Flexor carpi Ulnaris medial epicondyle of humerus pisiform and base of the fifth metacarpal Wrist flexion and ulnar deviation ulnar nerve
Extensor Carpi Radialis Longus supracondyler ridge of humerus base of the second metacarpal wrist extension and radial deviation radial nerve
Extensor Carpi Ulnaris lateral epicondyle of humerus base of the fifth metacarpal wrist extension and "ulnar deviation" (moving the wrist in a way that brings the pinky closer to ulna) radial nerve
Palmaris Longus Medial Epicondyle of humerus palmar aponeurosis assistive in wrist flexion median nerve.
Flexor Digitorum Profundus upper three fourths of the ulna distal phalanx of four fingers finger, flexion of all three joints (DIP, PIP, And MCP) Median and ulnar nerve.
Flexor Pollicis Longus Radius, Anterior surface distal phalanx of thumb thumb flexion of all joints (IP, MCM, CMC) median nerve
ABDuctor Pollicis Longus Posterior Radius, Interosseous membrane, and middle ulna base of the First metacarpal thumb abduction. (CMC Joint) Radial nerve.
Extensor Digitorum lateral epicondyle of the humerus base of the distal phalanx of the second through the fifth fingers extension of all three joints of the fingers (DIP,PIP,MCP) Radial nerve
Extensor Indicis Distal ulna base of distal phalanx of the second finer extension of all three joints of the second finger (DIP,PIP,MCP) radial Nerve
Created by: j2dap595
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