Shoulder and Elbow

CTA Prosthesis

Minimize Cuff tear arthropathy - CTA - prosthesis for shoulder arthritis: Surgery with a cementless CTA prosthesis can lessen pain and improve function in shoulders with the combination of arthritis and rotator cuff tears

Last updated: December 23, 2009
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Concavity Compression

Last Updated: Monday, February 4, 2013

Concavity compression is a stabilizing mechanism in which compression of the convex humeral head into the concave glenoid fossa stabilizes it against translating forces.

Depth and stability

The stability is related to the depth of the concavity and the magnitude of the compressive force.

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