Dynamic ulnar impaction syndrome in tennis players: report of two cases

Abstract

In this report, two tennis players with symptoms of ulnar impaction syndrome are reviewed. Both players have neutral ulnar variance. These cases represent dynamic ulnar impaction syndrome, when the impact between ulna and carpus occurs during conditions of pronated grip. The literature and the treatment of these two cases are discussed.

Commentary on Trehan et al. Arthroscopic treatment of triangular fibrocartilage complex injuries in paediatric and adolescent patients

“…Why therefore did they eventually need a USO? Possible explanations may be loss of axial stability after TFCC debridement or dynamic ulnocarpal impaction syndrome (UIS) (França Bisneto, 2017). As we know from previous studies, UIS can occur in cases with neutral and even negative ulnar variance in 9% of overall UIS cases (Tatebe et al., 2005; Tomaino, 1998).…”