A health care provider assesses the hand for deformities, swelling, tenderness, and purposeful constraints. Adjacent parts just like the wrist and forearm will also be checked to rule out connected injuries. Circulation and sensation assessments make sure nerves and blood vessels are intact. Boutonniere Deformity: The MCP (metacarpophalangeal) joints as well https://www.theorthopaedicandpainpractice.com/what-are-the-different-bones-found-in-my-hand/