Finger joints are the connections between the bones in the fingers, allowing for movement and flexibility. Each finger has three joints, except for the thumb, which has two. These joints include the metacarpophalangeal joint at the base, the proximal interphalangeal joint in the middle, and the distal interphalangeal joint at the tip. The finger joints are classified as synovial joints, which means they are surrounded by a fluid-filled capsule that reduces friction during movement. They play a crucial role in hand function, enabling actions like gripping, pinching, and pointing. Proper joint health is essential for maintaining dexterity and strength in the hands.