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Med Sci Sports Exerc ; 52(11): 2483-2488, 2020 11.
Artigo em Inglês | MEDLINE | ID: mdl-33064416

RESUMO

PURPOSE: This study aimed to determine whether a measure of lower limb segment stability derived from body-worn inertial measurement units can predict risk for lower limb musculoskeletal injury in Division I Collegiate Football Players (D1CFP). METHODS: The region of limb stability (ROLS) values were collected in a cohort of D1CFP during preseason. ROLS is a measure of knee joint stability, defined by thigh and shank excursion (cm) in the anterior-posterior and medial-lateral direction during single limb stance. The ROLS symmetry index (SI) (%) is the ratio between lower limb ROLS values where 100% suggests absolute symmetry. RESULTS: One-hundred and four D1CFP participated in this study and were divided into two groups: 1) no previous lower limb injury or no in-season injury (n = 70, "noninjured group") and 2) no previous lower limb injury, but in-season injury requiring surgery (n = 34, "injured group" group). The mean ± SD ROLS SI was 82.86% ± 14.75% and 65.58% ± 16.46% for the noninjured and injured group, respectively. Significant differences in ROLS SI were found between groups (P < 0.001). The ROLS SI demonstrated an area under the curve of 0.8 (P < 0.001; 95% confidence interval = 0.71-0.88) with an SE of 0.04, indicating that the ROLS SI has good predictive accuracy in detecting those healthy D1CFP at risk for lower limb injury resulting in surgery. CONCLUSION: The ROLS SI was found to have good predictive accuracy in detecting individuals at risk for injury that were healthy and asymptomatic during preseason testing. Increase in thigh and shank excursions and/or decrease in SI between lower limbs may be a predictor of risk for future injury.


Assuntos
Traumatismos em Atletas/epidemiologia , Futebol Americano/lesões , Instabilidade Articular/fisiopatologia , Extremidade Inferior/lesões , Programas de Rastreamento/métodos , Equilíbrio Postural , Humanos , Articulação do Joelho/fisiopatologia , Programas de Rastreamento/instrumentação , Valor Preditivo dos Testes , Universidades , Adulto Jovem
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