little leaguer's shoulder
Proximal humeral epiphyseal injury in adolescent pitchers caused by repetitive throwing stress.
Full Definition
Little Leaguer's shoulder, also known as proximal humeral epiphysitis, is a specific injury affecting the growth plate of the proximal humerus in adolescent baseball players. The condition results from repetitive rotational and tensile stresses applied to the proximal humeral physis during the throwing motion, particularly during the acceleration phase. The injury is characterized by widening, irregularity, or fragmentation of the proximal humeral growth plate. Young athletes typically present with insidious onset of shoulder pain that worsens with throwing activities. Early recognition and appropriate rest are crucial to prevent permanent growth disturbances and allow proper healing of the physis.
Usage
Usage note: Capitalize 'Little Leaguer's' as it refers to Little League Baseball; age-specific condition in adolescents.
In Context
- "Radiographs confirmed the diagnosis of Little Leaguer's shoulder with visible physeal widening." — Pediatric sports medicine evaluation
- "The 13-year-old pitcher was placed on throwing restriction for 6 weeks due to Little Leaguer's shoulder." — Treatment plan documentation