Department of Orthopaedic Surgery;
University of Arizona Medical Center;
Tucson;
AZ;
USA;
Department of Orthopaedic Surgery;
University of Texas Health Science Center;
San Antonio;
TX;
USA;
Supracondylar; Humerus; Fracture; Pin; Fixation; Ulnar; Nerve; Injury; Biomechanical; Stability;