abductor pollicis longus

Question 1

abductor pollicis longus origin

Answer 1

middle part, posterior surface of radius and ulna & adjacent interosseous membrane

Question 2

abductor pollicis longus insertion

Answer 2

radial side, base of metacarpal of thumb

Question 3

abductor pollicis longus nerve supply

Answer 3

radial nerve C7, 8

Question 4

abductor pollicis longus action

Answer 4

abducts the thumb