{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,1]],"date-time":"2026-06-01T12:16:19Z","timestamp":1780316179321,"version":"3.54.1"},"reference-count":37,"publisher":"National Athletic Trainers' Association","issue":"5","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2012,9,1]]},"abstract":"<jats:sec>\n                  <jats:title>Context<\/jats:title>\n                  <jats:p>Anterior knee pain is a common disorder in female athletes with an undefined cause. The relative prevalence of specific patellofemoral disorders associated with anterior knee pain in adolescent females remains undetermined.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Objective<\/jats:title>\n                  <jats:p>To determine the prevalence of specific patellofemoral disorders obtained using the differential diagnosis of anterior knee pain in adolescent female athletes during preparticipation screening.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Design<\/jats:title>\n                  <jats:p>Descriptive epidemiology study.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Setting<\/jats:title>\n                  <jats:p>Preparticipation screening evaluations at a county public school district in Kentucky.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Patients or Other Participants<\/jats:title>\n                  <jats:p>A total of 419 unique middle and high school\u2013aged female athletes.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Main Outcome Measure(s)<\/jats:title>\n                  <jats:p>Participants were evaluated by physicians for anterior knee pain over 3 consecutive basketball seasons. Given the longitudinal nature of this study, some participants were tested longitudinally over multiple years.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Results<\/jats:title>\n                  <jats:p>Over the course of 3 basketball seasons, 688 patient evaluations were performed. Of these, 183 (26.6%) were positive for anterior knee pain. A statistically significant difference was noted in the prevalence of anterior knee pain by school level, with 34.4% (n = 67) in high school\u2013aged athletes versus 23.5% (n = 116) in middle school\u2013aged athletes (P &amp;lt; .05). In the 1376 knees evaluated, patellofemoral dysfunction was the most common diagnosis, with an overall prevalence of 7.3% (n = 100). The only diagnosis shown to be statistically different between age levels was Sinding-Larsen-Johansson disease or patellar tendinopathy, with 38 cases (9.7%) in high school\u2013aged and 31 (3.1%) in middle school\u2013aged athletes (P &amp;lt; .05).<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Conclusions<\/jats:title>\n                  <jats:p>Anterior knee pain was present in 26.6% of the adolescent female athletes screened over 3 years. Symptoms of anterior knee pain likely persist after middle school\u2013aged onset and reach peak prevalence during the high school years.<\/jats:p>\n               <\/jats:sec>","DOI":"10.4085\/1062-6050-47.5.01","type":"journal-article","created":{"date-parts":[[2017,3,2]],"date-time":"2017-03-02T15:14:33Z","timestamp":1488467673000},"page":"519-524","source":"Crossref","is-referenced-by-count":60,"title":["Expected Prevalence From the Differential Diagnosis of Anterior Knee Pain in Adolescent Female Athletes During Preparticipation Screening"],"prefix":"10.4085","volume":"47","author":[{"given":"Kim D. Barber","family":"Foss","sequence":"first","affiliation":[{"name":"Cincinnati Children's Hospital Medical Center, OH;"},{"name":"Sports Medicine Biodynamics Center and Human Performance Laboratory, Cincinnati, OH;"},{"name":"Division of Health Sciences, Department of Athletic Training, College of Mount St Joseph, Cincinnati, OH;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gregory D.","family":"Myer","sequence":"first","affiliation":[{"name":"Sports Medicine Biodynamics Center and Human Performance Laboratory, Cincinnati, OH;"},{"name":"Rocky Mountain University of Health Professions, Provo, UT;"},{"name":"Department of Pediatrics, University of Cincinnati, OH;"},{"name":"Ohio State University Sports Health & Performance Institute, Departments of Physiology and Cell Biology, Orthopaedic Surgery, Family Medicine, and Biomedical Engineering, College of Medicine, Columbus;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stephen S.","family":"Chen","sequence":"first","affiliation":[{"name":"Cincinnati Children's Hospital Medical Center, OH;"},{"name":"Sports Medicine Biodynamics Center and Human Performance Laboratory, Cincinnati, OH;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Timothy E.","family":"Hewett","sequence":"first","affiliation":[{"name":"Cincinnati Children's Hospital Medical Center, OH;"},{"name":"Sports Medicine Biodynamics Center and Human Performance Laboratory, Cincinnati, OH;"},{"name":"Department of Pediatrics, University of Cincinnati, OH;"},{"name":"Ohio State University Sports Health & Performance Institute, Departments of Physiology and Cell Biology, Orthopaedic Surgery, Family Medicine, and Biomedical Engineering, College of Medicine, Columbus;"},{"name":"Department of Orthopaedic Surgery, College of Medicine, and the Departments of Biomedical Engineering and Rehabilitation Sciences, University of Cincinnati, OH"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"2557","reference":[{"issue":"1","key":"2020060411442434100_i1062-6050-47-5-519-b01","doi-asserted-by":"crossref","first-page":"75","DOI":"10.2165\/00007256-200333010-00006","article-title":"Overview of injuries in the young athlete","volume":"33","author":"Adirim","year":"2003","journal-title":"Sports Med"},{"issue":"6","key":"2020060411442434100_i1062-6050-47-5-519-b02","doi-asserted-by":"crossref","first-page":"488","DOI":"10.1097\/01.jsm.0000248848.62368.43","article-title":"Sports injuries in high school athletes: a review of injury-risk and injury-prevention research","volume":"16","author":"McGuine","year":"2006","journal-title":"Clin J Sport Med"},{"issue":"12","key":"2020060411442434100_i1062-6050-47-5-519-b03","doi-asserted-by":"crossref","first-page":"1209","DOI":"10.1093\/aje\/kwj337","article-title":"A prospective study of injury incidence among North Carolina high school athletes","volume":"164","author":"Knowles","year":"2006","journal-title":"Am J Epidemiol"},{"issue":"1","key":"2020060411442434100_i1062-6050-47-5-519-b04","doi-asserted-by":"crossref","first-page":"2","DOI":"10.1136\/bjsm.2007.035360","article-title":"Epidemiology of knee injuries among adolescents: a systematic review","volume":"42","author":"Louw","year":"2008","journal-title":"Br J Sports Med"},{"issue":"5","key":"2020060411442434100_i1062-6050-47-5-519-b05","first-page":"907","article-title":"Evaluation of patients presenting with knee pain: part I. 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