J Am Acad Orthop Surg 2021 Nov;29(22):943-950
From the Attending Hand Surgeon, New York Hand & Wrist Center of Lenox Hill, New York, NY (Rabinovich, Beldner, and Polatsch), and the Attending Hand Surgeon, Cedars-Sinai Kerlan-Jobe Institute, Los Angeles, CA (Shin).
The basal joint complex of the thumb provides the framework necessary for function of the human hand. Although its unique saddle articulation allows for a wide range of motion necessary for routine function of the hand, it is rendered inherently unstable because of poor bony congruency and reliance on its capsuloligamentous support. Painful instability of this joint can stem from several causes including traumatic dislocation, various hypermobility conditions, and chronic overuse and microtrauma. Read More