A "true claw-hand" of severe type results from:
|A||A lesion of the ulnar nerve at the elbow|
|B||A lesion of the median nerve at the elbow|
|C||A combined lesion of median and ulnar nerves at the elbow|
|D||A combined lesion of ulnar and radial nerves at the elbow|
A combined lesion of median and ulnar nerves at the elbow
a. Claw hand-Hyperextension at meta carpo-phalangeal joint. Flexion at proximal and distal interphalangeal joint.
b. In ulnar nerve palsy-only medial two finger develop clawing, while all four finger develop clawing in combined median and ulnar nerve palsy.