Anterior And Posterior Forearm Flashcards
Flexor Carpi Radialis
O: medial epicondyle of humerus
I: bases if 2nd and 3rd metacarpals
A: flexion; radial deviation
Palmaris Longus
O: medial epicondyle of humerus
I: flexer retinaculum; palmar aponeurosis
A: flexes hand at wrist; tenses palmar aponeurosis
Flexor Carpi Ulnaris
O: medial epicondyle of humerus
I: pisiform; hook of hamate; base of 5th metatarsal
A: flexion; ulnar deviation
Flexor Digitorum Superificialis
O: medial epicondyle of humerus; coronoid process of ulna; upper anterior surface of radius
I: middle phalanges of digits 2-5
A: flexes middle phalanges; flexes hand at wrist
Extensor Carpi Radialis Longus
O: lateral supracondylar ridge
I: base of 2nd metacapals
A: extends and radially deviates wrist
Extensor Carpi Radialis Brevis
O: lateral epicondyle of humerus
I: base of 3rd metacarpals
A: extends and radially deviates wrist
Extensor Digitorum
O: lateral epicondyle of humerus
I: distal phalanges of digits 2-5
A: extends wrist and fingers 2-5
Extensor Carpi Ulnaris
O: lateral epicondyle of humerus
I: base of 5th metacarpal
A: extends; ulnar deviation
Flexor Pollicus Longus
O: ant. Surface of Radius; interosseus membrane
I: base of distal phalanx of thumb
A: flexes thumb at distal phalanx
Extensor Pollicus Longus
O: post. Surface of middle 1/3 of ulna; interosseus membrane
I: base of distal phalanx of thumb
A: extends distal phalanx
Extensor Pollicus Brevis
O: lower 1/3 of post. Shaft of radius; interosseus membrane
I: base of proximal phalanx of thumb
A: extension of MP joint
Abductor Pollicus Longus
O: upper post. Surface of ulna; middle 1/3 of post. Radius; interosseous membrane
I: base if 1st metacarpals; trapezium
A:abdication; thumb extension at CP joint
