They diagnosed ulnar palsy, or “claw hand”, by analyzing the depiction of his right hand in two artworks. It had been suggested that Leonardo's hand impairment was caused by a stroke.

What Is Ulnar Tunnel Syndrome? Ulnar tunnel syndrome is pain, tingling, or numbness in your hand, caused by a pinched nerve in your wrist. It isn’t pleasant, but treatments and simple changes to ...

Thrombosis of the ulnar artery can be a cause of significant morbidity. Most often a consequence of blunt trauma to the hypothenar eminence of the hand, it may be attributable to one traumatic ...