metacarpophalangea
The metacarpophalangeal joints, often abbreviated as MCP joints, are the joints located in the hand between the metacarpal bones and the proximal phalanges. These are the knuckles of the hand, connecting the palm to the fingers. There are five MCP joints in each hand, corresponding to each of the five digits. Each MCP joint is a synovial joint, specifically a condyloid or ellipsoid type, allowing for a variety of movements.
These movements include flexion, extension, abduction (spreading of the fingers), adduction (bringing the fingers together), and