Forearm Flashcards
Palmaris longus
Origin- medial epicondyle
Insertion- palmar aponeurosis
Action- elbow flexor, wrist flexor
Flexor carpi radialis (FCR)
Origin- medial epicondyle
Insertion- anterior surface, base of metacarpals 2 & 3
Action-elbow flexor, wrist flexor, radial deviation
Flexor carpi ulnaris
Origin- medial epicondyle, proximal 2/3 posterior border do the ulna
Insertion- anterior surface, base of metacarpal 5, pisiform, hamate
Action- elbow flexor, wrist flexor, ulnar deviation
Extensor carpi ulnaris
Origin- lateral epicondyle, mid posterior ulna
Insertion- dorsal surface base of metacarpal 5
Action- extend elbow, extend wrist, ulnar deviation
Extensor carpi radialis brevis
Origin- lateral epicondyle
Insertion- dorsal surface base of metacarpal 3
Action- extend elbow and wrist, radial deviation
Extensor carpi radialis longus
Origin- lateral supracondylar ridge and lateral epicondyle
Insertion- dorsal surface base of metacarpal 2
Action- extend elbow and wrist, radial deviation
Flexor digitorum sulerficialis
Origin- medial epicondyle, coranoid process anterior 2/3 of radius
Insertion- sides of the middle phalanges of digits 2-5
Action- elbow and wrist flexor, flexor of proximal and middle phalanges 2-5
Flexor digitorum profoundus
Origin- proximal 3/4 anterior medial of the ulna
Insertion- anterior surface, base of the distal phalanges, digits 2-5
Action- wrist flexor, flexor of middle and distal phalanges 2-5
Flexor pollicis longus
Origin- anterior middle 1-3 of the radius and distal to coronoid process of ulna
Insertion- anterior surface, base of the distal phalanx of digit 1
Action- flexes wrist and thumb radial deviation
Extensor digitorum
Origin- lateral epicondyle
Insertion- dorsal surface bases of middle and distal phalanges digits 2-5
Action- extends elbow, wrist, mad digits 2-5
Extensor indicis
Origin- dorsal mid to distal 1/3 of ulna
Insertion- dorsal surface base of middle mad distal phalanx digit 2
Action- extend digit 2, wrist extension
Extensor digiti minimi
Origin- lateral epicondyle
Insertion- dorsal surface base of middle phalanx digit 5
Action- extend elbow and wrist, ulnar deviation, extension of digit 5
Extensor pollicis longus
Origin- dorsal middle of the ulna
Insertion- dorsal surface base of distal phalanx digit 1
Action- extends wrist and digit 1, radial deviation
Extensor pollicis brevis
Origin- dorsal surface of lower middle radius
Insertion- dorsal surface base of proximal phalanx digit 1
Action- extends wrist and proximal phalanx of digit 1m radial deviation
Abductor pollicis longus
Origin- dorsal middle 1/3 of ulna and the radius
Insertion- dorsal surface base of metacarpal 1
Action- abducts thumb, radial deviation
Flexion of the wrist joint
Flexor carpi radialis
Flexor carpi ulnaris
Flexor digitorum superficialis
Flexor digitorum profundus
- flexor pollicis longusExtension of the wrist joint
Extensor carpi radialis longus Extensor carpi radialis brevis Extensor carpi ulnaris Extensor digitorum - extensor digiti minimi - extensor indicis - extensor pollicis longus - extensor pollicis brevis
Abduction (radial deviation) of the hand
Flexor carpi radialis Extensor carpi radialis longus Extensor carpi radialis brevis Abductor pollicis longus Extensor pollicis longus and brevis Flexor pollicis longus
Adduction (ulnar deviation) of the hand
Flexor carpi ulnaris
Extensor carpi ulnaris
Extensor digiti minimi
Flexion of MCP digits 2-5
Flexor digitorum superficialis
Flexor digitorum profundus
Flexion of the proximal-middle phalanges (PIP) digits 2-5
Flexor digitorum superficialis
Extension of MCP digits 2-5
Extensor digitorum
Flexion of the middle-distal phalanges (DIP) digits 2-5
Flexor digitorum profundus
