The nerves with the hand and wrist originate within the structure known as the brachial plexus which is located proximally in the basis on the neck and axillary area. Boutonniere Deformity: The MCP (metacarpophalangeal) joints and also the DIP (distal interphalangeal) joints are impacted.  The main harm is always to flexion with https://www.theorthopaedicandpainpractice.com/what-are-the-different-bones-found-in-my-hand/