A Stener lesion occurs when a UCL tear affects the adductor pollicis muscle. As a result of the interference between this muscle and the MCP joint, the healing process becomes more complicated.

Nonoperative treatment of acute UCL injury (with or without a Stener lesion) frequently fails, leading to chronic pain, instability, and weakness, eventually prompting surgical intervention.

Unlike the Stener lesion, sprains of the UCL and even Gamekeeper’s thumb fractures heal well on their own with immobilization and physical therapy. If there is significant opening of the joint with ...

To address the purposes of this systematic review, the authors conducted a search of the following medical databases: PubMed, SPORTDiscus, CINAHL (Cumulative Index to Nursing and Allied Health ...