Case Overview: This video discusses the case presentation of a young man with an unstable thumb carpometacarpal joint after a dislocation. Modified Eaton-Littler ligament reconstruction was performed with the use of a slip of flexor carpi radialis. Indications, contraindications, technical pearls, and potential pitfalls are discussed. Preoperative and postoperative imaging studies are included.

Method/Technique: The video highlights the technical aspects of the procedure and discusses clinical indications and outcomes.

Results: Historical results and outcomes from the literature are presented and discussed.

Summary: The technique for surgical stabilization of the thumb carpometacarpal joint is demonstrated. Indications for, contraindications for, and technical pearls and potential pitfalls of modified Eaton-Littler ligament reconstruction are presented.