Background: In Australian football, lower limb injuries have had the highest incidence and prevalence rates. Previous studies have shown that football players with relatively more severe preseason and playing season hip, groin, and thigh injuries had a significantly smaller multifidus muscle compared with players with no lower limb injuries. Rehabilitation of the multifidus muscle, with restoration of its size and function, has been associated with decreased recurrence rates of episodic low back pain and decreased numbers of lower limb injuries in football players. Assessment of multifidus muscle size and function could potentially be incorporated into a model that could be used to predict injuries in football players.

I Congreso Nacional de Entrenadores de Judo, Murcia (España), 13-15 de julio, 2018 Resumen El objetivo del presente estudio fue describir el Perfil Funcional Básico (VAFB) de un grupo de 13 judokas competidores a nivel nacional. Se utilizó la batería Valoración Funcional Básica propuesta por Gil-López (2018). Los datos obtenidos indican un Índice Global de Riesgo de Lesión (IGRL) de 45,74±2,01%. Las compensaciones que más se han dado entre todos los judokas fueron rotación externa del pie derecho/izquierdo, pronación pie derecho/izquierdo, pérdida de disociación lumbo-pélvica, movimiento del tórax, escápulas aladas y protacción cervical. En cuanto, a los años de práctica se muestran diferencias en el test de la articulación del hombro (SM), donde aparece mayor número de compensaciones en los sujetos qu upo de judokas analizado no muestra un alto riesgo de lesión, pero se re ora de los déficits registrados. e llevan menos de diez años practicando judo. El gr comienda incluir un trabajo correctivo para la mej alabras clave: Judo; estabilidad; movilidad; valoración funcional. P Basic functional assessment of the judoka: A pilot study AbstractThe aim of this study was to describe the basic functional profile (VAFB) of a group of 13 competitive judokas at the national level. The method used was the basic functional Assessment tests battery proposed by Gil-López (2018). The results obtained indicate a Global Injury Risk Index (LRTI) of 45.74 ± 2.01%. The most common compensations among all judokas were external rotation of the foot, right/left, left/right foot pronation, loss of lumbo-pelvic dissociation, chest movement, winged scapulae and cervical protation. As for the years of practice, there were differences in the shoulder joint test (SM), where there was a greater number of compensations in the judoka who had been practicing judo less than ten years. P rrective exercises to improve the judokas articipants did not show a high risk of injury, but it is recommended to include co ' detected deficits.

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ObjectiveTo examine whether physical measurements of the sensorimotor system predict concussion incurred by footballers.DesignProspective cohort study.SettingAustralian professional sport setting.ParticipantsFifty-three rugby union and rugby league players.Assessment of risk factorsPhysical measurements including balance (sway across six test conditions), vestibular function (assessments of oculo-motor and vestibular ocular reflex) and spinal control (cervical joint position error and trunk muscle size and contraction ability) were performed during the preseason.Outcome measuresConcussion injuries during the season were diagnosed and recorded by club medical staff.ResultsAge, height, weight, and years playing football were not associated with concussion in the season (p=0.43, 0.43, 0.19, 0.25). Preseason cross-sectional area of the multifidus muscle at the L5 vertebral level was 10% smaller in players who went on to sustain a season concussion compared to those who did not: mean difference (95% confidence interval) 1.0 cm2 (0.1 cm2 to 1.9 cm2), p=0.031. This difference in size was moderate (effect size 0.7) and exceeds the minimal detectable change of 0.4 cm2. There were no significant differences observed for the other measures, p>0.05.ConclusionsOptimal spinal control is likely to be a key requirement in a physically demanding sport such as football. The multifidus is one of the muscles crucial for spinal control, and our findings report this measure to be predictive of footballers sustaining a concussion. This novel finding provides preliminary evidence that warrants further investigation as to the possible importance of spinal control in prevention programsCompeting interestsNone.

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