Ulnar Claw Hand (Claw Hand): this is because of a lesion on the ulnar nerve. The MCP joints are hyperextended for that ring and little fingers mainly because of the lack of the third and fourth lumbrical muscles resulting from a lesion from the deep department on the ulnar nerve. Due https://www.theorthopaedicandpainpractice.com/what-are-the-different-bones-found-in-my-hand/