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- Title
Glenohumeral Internal Rotation Deficit in Young Asymptomatic Elite Swimmers.
- Authors
Preziosi Standoli, Jacopo; Candela, Vittorio; Bonifazi, Marco; Gumina, Stefano
- Abstract
Glenohumeral internal rotation deficit (GIRD) may affect overhead athletes and contribute to shoulder injury. To assess data on passive shoulder range of motion (ROM) in young elite swimmers and to determine the prevalence of anatomical and pure GIRD (aGIRD and pGIRD, respectively) in a large sample size of asymptomatic elite swimmers with a new classification method. Cross-sectional study. Research laboratory. A total of 752 asymptomatic elite swimmers were recruited by voluntary participation (391 males and 361 females; mean age, 15.88 ± 2.31 years). Passive glenohumeral rotational ROM was measured bilaterally to investigate the prevalence of aGIRD and pGIRD. Evaluations were performed with athletes at rest before any training or competition. Glenohumeral internal rotation deficit and associated aGIRD and pGIRD in elite youth swimmers by identifying a standard classification procedure. Glenohumeral internal rotation deficits were found in 136 participants (18.1%). Anatomical GIRD was present in 28 cases (3.7%), whereas pGIRD was observed in 108 cases (14.4%). No significant differences were found regarding GIRD between sex, age, age group, years of training, breathing side, and distance. Swimmers with pGIRD showed significantly less dominant internal rotation, total ROM, and external rotation gain (P <.01) than swimmers with aGIRD; conversely, swimmers with aGIRD showed significantly less nondominant internal rotation, external rotation, and total ROM than swimmers with pGIRD (P <.01). Glenohumeral internal rotation deficit is a relatively common condition in asymptomatic elite youth swimmers; as to not overestimate this condition, aGIRD and pGIRD have to be distinguished. Although they play a role, the respiratory side, dominant limb, and crawl did not have a significant impact on an elite swimmer with GIRD.
- Subjects
ITALY; RISK assessment; CROSS-sectional method; T-test (Statistics); DATA analysis; FISHER exact test; SEX distribution; SHOULDER joint; DESCRIPTIVE statistics; CHI-squared test; AGE distribution; PHYSICAL training &; conditioning; SWIMMING; ONE-way analysis of variance; STATISTICS; SHOULDER injuries; CONFIDENCE intervals; DATA analysis software; CEREBRAL dominance; RANGE of motion of joints; TIME; DISEASE risk factors
- Publication
Journal of Athletic Training (Allen Press), 2024, Vol 59, Issue 7, p731
- ISSN
1062-6050
- Publication type
Article
- DOI
10.4085/1062-6050-0263.23