ArticleOrthopaedic journal of sports medicine2021
Prevalence of Morphological Variations Associated With Femoroacetabular Impingement According to Age and Sex: A Study of 1878 Asymptomatic Hips in Nonprofessional Athletes.
Article in Orthopaedic journal of sports medicine, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Prevalence of Cam Femoroacetabular Lesions in Medieval (1200-1600 CE) and Postmedieval (1600-1850 CE) Dutch Skeletal Collections.Arthroscopy, sports medicine, and rehabilitation · 2026Article
- Magnetic Resonance Imaging-Based Comparative Assessment of Cam and Pincer Hip Morphology between Soccer Players and Non-athlete Controls.Hip & pelvis · 2026Article
- Wide variations in the alpha angle reporting of the hip in asymptomatic individuals-a systematic review.Journal of hip preservation surgery · 2026Review
- Asymptomatic female softball pitchers have altered hip morphology and cartilage composition.Scientific reports · 2025Article
- The quest for optimal femoral torsion angle measurements: a comparative advanced 3D study defining the femoral neck axis.Journal of experimental orthopaedics · 2023Article
- Sex-Based Differences in Prevalence, Outcomes, and Complications of Hip Arthroscopy for Femoroacetabular Impingement: A Systematic Review and Meta-analysis.Orthopaedic journal of sports medicine · 2023Review
- Is Cam Pincer Deformity a Predisposing Factor for Patellofemoral Pain Syndrome?Indian journal of orthopaedics · 2023Article
- Sex differences in the anatomy of the anterior-superior acetabular rim in relation to pincer-type femoroacetabular impingement in Koreans: a three-dimensional quantitative analysis.Journal of orthopaedic surgery and research · 2023Article
- Validity and Test-Retest Reliability of the Spanish Version of the International Hip Outcome Tool (iHOT-12Sv).Journal of clinical medicine · 2022Article
- Characteristics of Biomechanical and Physical Function According to Symptomatic and Asymptomatic Acetabular Impingement Syndrome in Young Adults.Healthcare (Basel, Switzerland) · 2022Article
Corrections and comments
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Authors and funding
11 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundRadiographic findings related to the cam and pincer variants of femoroacetabular impingement (FAI) include measurements of the alpha angle and lateral center-edge angle (LCEA). The function of these radiographic findings has been put into question because of high heterogeneity in reported studies. PURPOSE: The aim of this study was 3-fold: (1) to determine the prevalence of cam and pincer variants according to sex and age on anteroposterior (AP) pelvic radiographs from an asymptomatic nonathletic population, (2) to identify the most common radiographic signs of cam- and pincer-type variants, and (3) to determine if there are variations in the prevalence of these radiographic signs according to sex and age. STUDY
designCross-sectional study; Level of evidence, 3.
methodsThere were 3 independent observers who retrospectively analyzed the 939 AP pelvic radiographs (1878 hips) of patients aged 18 to 50 years who did not have hip symptoms and who were not professional athletes. The prevalence of the cam and pincer variants according to the alpha angle and LCEA, respectively, and the presence of other radiographic signs commonly associated with these variables were determined in the overall population and by subgroup according to sex and age group (18-30, 31-40, and 41-50 years). Descriptive and inferential statistics were used to analyze the study sample.
resultsThe mean age of the included population was 31.0 ± 9.2 years, and 68.2% were male. The prevalence of the cam-type variant was 29.7% (558/1878), and that of the pincer-type variant was 24.3% (456/1878). The radiographic signs that were most associated with the cam and pincer variants were a pistol-grip deformity and the crossover sign, respectively. Significant differences (
conclusionRadiographic findings suggestive of FAI had significant variations with respect to sex and age in this study sample. This study provides information to determine the prevalence of these anatomic variants in the general population.
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