Documenting joint damage in rheumatoid arthritis ... quantitative assessment of bone erosion volumes in the wrists and metacarpophalangeal (MCP) joints of RA patients. A semiquantitative scoring ...
The extensor mechanism functions through two sets of muscles which extend three joints (MCP, PIP, DIP) and flex one joint (the metacarpophalangeal [MCP]) (Fig. 6). The two systems are ...