title: Diagnostic Differences for Anterior Knee Pain between Sexes in Adolescent Basketball Players.
abstract: BACKGROUND
  The purpose of this study was to determine if there is a sex difference in the prevalence of specific patellofemoral disorders that cause anterior knee pain in adolescent basketball players undergoing pre-participation screening.
  Biomechanical Laboratory.
  A total of 810 (688 female and 122 male) basketball players from a single county public school district.
  Prior to the start of three consecutive basketball seasons, participants were evaluated for anterior knee pain. Testing consisted of completion of the Anterior Knee Pain Scale. Those with positive findings completed an IKDC form, a standardized history and a physician-administered physical examination.
  
  
  RESULTS
  Anterior knee pain was noted in 410 of 1620 knees (25.3%). 26.6% of female knees and 18.0% of male knees were affected (p<0.05). Patellofemoral dysfunction (PFD) was the most common diagnosis with an overall prevalence of 6.4% (7.3% females; 1.2% males). Less common were Sinding-Larsen-Johanssen disease (SLJ), 4.8% (5.0% females; 3.7% males), Osgood-Schlatter Disease (OSD) 2.5% (2.3% females; 4.1% males); and plica syndrome 2.3% (2.1% females; 3.3% males). The remaining diagnoses (trauma, fat pad syndrome, IT band and pes anserine bursitis) had a combined prevalence of 1.7% (1.9% females; 1.6% males).
  
  
  CONCLUSIONS
  PFD was significantly more common in females (p<0.05). Anterior knee pain was more common in adolescent female basketball players than in adolescent male basketball players.
  
  
  METHODS
  Descriptive Laboratory Study. Level 1.
authors.affiliation: Division of Sports Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA ; Sports Medicine Biodynamics Center and Human Performance Laboratory, Cincinnati, Ohio, USA ; Rocky Mountain University of Health Professions, Provo, Utah, USA ; Division of Health Sciences, Department of Athletic Training, College of Mount St. Joseph, Cincinnati, Ohio, USA.
authors.forename: Kim D Barber
authors.initials: KD
authors.lastname: Foss
authors.affiliation: Division of Sports Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA ; Sports Medicine Biodynamics Center and Human Performance Laboratory, Cincinnati, Ohio, USA ; Department of Pediatrics and Orthopaedic Surgery, University of Cincinnati, Cincinnati, Ohio, USA ; Sports Health and Performance Institute, The Ohio State University Medical Center, Columbus, Ohio, USA ; The Micheli Center for Sports Injury Prevention, Boston, MA, USA ; Department of Orthopaedic Surgery, University of Cincinnati, Cincinnati, Ohio, USA.
authors.forename: Gregory D
authors.initials: GD
authors.lastname: Myer
authors.affiliation: Department of Orthopaedics, The Ohio State University College of Medicine, Columbus, Ohio, USA ; Sports Health and Performance Institute, The Ohio State University Medical Center, Columbus, Ohio, USA.
authors.forename: Robert A
authors.initials: RA
authors.lastname: Magnussen
authors.affiliation: Division of Sports Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA ; Sports Medicine Biodynamics Center and Human Performance Laboratory, Cincinnati, Ohio, USA ; Department of Pediatrics and Orthopaedic Surgery, University of Cincinnati, Cincinnati, Ohio, USA ; Departments of Biomedical Engineering and Rehabilitation Sciences, University of Cincinnati, Cincinnati, Ohio, USA.
authors.forename: Timothy E
authors.initials: TE
authors.lastname: Hewett
keywords: Anterior knee pain; Female athletes; PFD; PFPS