Anatomy Explorer
Metacarpophalangeal (MCP) Joints
by
Written by
Tim Taylor
Anatomy & Physiology Senior Writer
Tim Taylor is a senior writer at Innerbody Research focusing on human anatomy and physiology. Tim earned both his Bachelor of Science degree in Biology and his Master's degree in Teaching from the University of Pittsburgh.
Last updated: Jan 13th, 2026
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The metacarpophalangeal (MCP) joints are where phalanges attach to the metacarpal joints. There are five of these joints in the hand.
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