A cut injury of the ulnar nerve results in -
Ulnar nerve injury will cause paralysis of all interossei, medial two lumbricals, hypothenar muscles, adductor pollicis, FCU and medial two slips of FDP.
There is ulnar claw hand (not total claw hand)
Total claw hand
Paralysis of all lumbricals
Paralysis of all interossei
Paralysis of all slips of the flexor digitonun profundus