term1 Definition1term2 Definition2term3 Definition3
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Extensor Carpi Radialis Longus
O: lateral supracondylar ridge of the humerus
I: posterior hand on the radial side(back) base of second digit
A: extension of hand
abduction
Extensor Carpi Radialis Brevis
O: lateral epicondyle via common extensor tendon
I: posterior hand on the radial side(back) base of third digit
Extensor Carpi Ulnaris
O: lateral epicondyle via common extensor tendon, and ulna
I: posterior hand on the radial side(back) base of the 5th digit
A: extension of the hand
adduction
Extensor Digitorum
I: posterior surfaces of the fingers
A: extension of fingers 2-5
extension of hand
Abductor Pollicis Longus
O: posterior radius & ulna
I: thumb(base of 1st metacarpal)
A: abducts thumb
extension of thumb
Extensor Pollicis Longus
O: posterior ulna
I: thumb(all the way to the tip)
A: extension of the thumb
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