10-31-2008, 10:21 AM
Hey..i think ans is D..med epicondyle damade causes ulnar nerve injury..
ulnar supplies 4th n 5th lumbricals and interossi (palmar n dorsal)
damage cause inability of flex 4th n 5th finger only ,, so ans C is wrong both median n ulnar damage cause effect all the fingers to flex..
addction n abduction of all fingers is effected by only ulnar...
ulnar also supplies adductor pollicies to thumb so it is also effected..
answer s D.
ulnar supplies 4th n 5th lumbricals and interossi (palmar n dorsal)
damage cause inability of flex 4th n 5th finger only ,, so ans C is wrong both median n ulnar damage cause effect all the fingers to flex..
addction n abduction of all fingers is effected by only ulnar...
ulnar also supplies adductor pollicies to thumb so it is also effected..
answer s D.