We're thrilled to announce that Orthotic Prosthetic Center (OPC), a long-time leader in prosthetic care throughout Northern Virginia, has merged with MCOP. However, even though their name will be changing, OPC will still operate in the exact same manner it always has, providing the highest level of quality care to clients throughout Virginia.Learn More

Glossary of Terms

Learn about the mostly commonly used terms in prosthetics and orthotics industry.


Pistoning occurs when the residual limb moves up and down inside the socket, usually due to inadequate suspension. Pistoning is also referred to as vertical displacement.

Learn more about Pistoning

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