Metacarpophalangeal joint
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Metacarpophalangeal (MP or MCP) Joint

What is Metacarpophalangeal (MP or MCP) Joint? The metacarpophalangeal [ MP or MCP] joint, also known as “the knuckle,” is assembled by the articulation of the proximal phalanx & metacarpal head. This multiaxial joint permits flexion & extension as well as abduction & adduction movements. The MCP joint also dynamically corresponds with the interphalangeal (IP)…