EFFECT OF “FIFA 11+” ON THE PATTERN OF FUNDAMENTAL MOVEMENTS IN UNDER-14 SOCCER PLAYERS

<div><p>ABSTRACT Introduction: Increasing youth participation in soccer has several benefits, but it also brings risks of injury. The use of neuromuscular techniques is effective in preventing injuries, especially in periods of growth as occurs in puberty, which coincides with the development of fundamental basic movements. Therefore, it is important to implement and evaluate prevention programs that focus on neuromuscular control during this stage. Objective: To determine the effect of the FIFA 11+ over a six-week training period in order to quickly improve fundamental movement patterns in under-14 soccer players. Method: A quasi-experimental study that evaluated the fundamental movement patterns through the Functional Movement Screen (FMS) in 22 athletes who were divided into a control group (CG; N=11) and an experimental group (EG; N=11), submitted to the program FIFA 11+ for six weeks. The SPSS 20.0 program was used to analyze the data. Results: Statistically significant improvements were found in the in-line lunge (IL) and in the post-intervention FMS total scores in EG, as well as intergroup improvements when testing the deep squat (DS) in the EG, but not in both groups. Conclusions: The six week FIFA 11+ program did not produce significant improvements in players’ fundamental movements.</p></div

5-week suspension training program increase physical performance of youth judokas: a pilot study

Introduction: Judo is a high-intensity sport, characterized by a series of acyclic movements that require high technical masteryduring combat.It was previously shown that growth of components of physical function is related with an increased probabilitysuccessful competitive performance. Suspension training is effective at improving components of physical function. Objective: Therefore,the aim of this study was to determine the changes in physical performance traits of youth judokas after a 5-week suspension-trainingprogramme. Methods: Ten judokas (age, 15.4 ± 2.8 y) completed a 5-week suspension training routine into their normal trainingschedule. The difficulty and intensity of the exercises were increased each week. Before and after the intervention athletes were assessedin the single-leg horizontal jumping, Sorensen test, sit-and-reach, Y balance, prone instability and handgrip strength tests. Results:Significant improvements (p<.05; Cohen d effect size e».2) were observed in the single-leg horizontal jumping (right leg: 137 ± 23.3 vs164 ± 22.0; left leg: 131 ± 24.1 vs 169 ± 26.5 cm), Sorensen (134 ± 43.4 vs 195 ± 46.7 s), sit-and-reach (42.1 ± 8.2 vs 46.2 ± 7.5 cm),leg Y balance test (right leg: 91.3 ± 6.6 vs 101 ± 7.6%; left leg: 91.2 ± 4.8 vs 103 ± 6.6%) and arm Y balance test (right arm: 80.9 ± 9.2vs 89.3 ± 8.4; left arm: 81.4 ± 8.6 vs 90.0 ± 9.6%) Conclusions: Lower-body muscle power, muscle endurance, flexibility, lower-bodyand upper-body balance physical performance traits were improved after a 5-week training period in youth judokas that replaced a partof their regular judo training with a suspension training routine.Key words: physical fitness; judo; sports injury; unstable surface training; plyometric exercise; combat sport; martial arts, maturity.Resumen. Introducción: El judo es un deporte de alta intensidad, caracterizado por una serie de movimientos acíclicos con una altamaestría técnica durante el combate. Se ha demostrado previamente que el desarrollo de componentes de la función física se relaciona conuna mayor probabilidad de rendimiento competitivo exitoso. El entrenamiento de suspensión es efectivo en mejorar los componentes dela función física. Objetivo: Determinar los cambios en el rendimiento físico en judocas jóvenes, después de un programa de entrenamientode suspensión de 5 semanas. Método: Diez judocas (15.4 ± 2.8 años de edad) completaron un programa de entrenamiento de suspensiónde 5 semanas dentro de su programación normal de entrenamiento. La dificultad e intensidad de los ejercicios se incrementó cada semana.Antes y después de la intervención se evaluó un salto horizontal monopodal, test de Sorensen, sit and reach, Y balance test de miembrosinferiores y superiores, test de inestabilidad en prono y fuerza prensil. Resultados: Mejoras significativas (p<.05; Cohen d effect sizee».2) fueron encontradas en salto horizontal monopodal (derecha: 137 ± 23.3 vs 164 ± 22.0; izquierda: 131 ± 24.1 vs 169 ± 26.5 cm), testde Sorensen (134 ± 43.4 vs 195 ± 46.7 s), sit-and-reach (42.1 ± 8.2 vs 46.2 ± 7.5 cm), Y balance test de miembros inferiores (derecha: 91.3± 6.6 vs 101 ± 7.6%; izquierda: 91.2 ± 4.8 vs 103 ± 6.6%) and Y balance test de miembros superiores (derecho: 80.9 ± 9.2 vs 89.3 ± 8.4;izquierdo: 81.4 ± 8.6 vs 90.0 ± 9.6%). Conclusiones: La potencia de miembros inferiores, resistencia muscular, flexibilidad y balance demiembros inferiores y superiores mejoró después de un programa de entrenamiento de suspensión de 5 semanas en judocas jóvene

Frequency of Injury and Illness in the Final 4 Weeks before a Trail Running Competition

We aimed to (i) determine self-reported injury and illness frequency in trail runners 4 weeks preceding competition; (ii) compare athletes with and without injury/illness by sex, age, body mass index (BMI) and competition distance; (iii) describe mechanism of injury, anatomical region (injury)/organ system (illness) involved, consequences of injury on preparation and self-perception of injury severity; (iv) compare anatomical region (injury) and organ system (illness) by sex. A total of 654 trail runners (age 36.2, IQR 30.6–43.0; 36.9% females) participated in this retrospective cross-sectional study by completing a self-reported questionnaire. Injury and illness frequency rates were 31.3% (n = 205, CI: 27.7–35.0%) and 22.3% (n = 146, CI: 19.1–25.7%), respectively. No significant difference was found between injured vs. non-injured or ill vs. non-ill study participants by sex, age, BMI and competition distance. Regarding injuries, gradual onset (41.6%) and knee (33.2%) were the most indicated mechanism and anatomical region of injury. At least 85.4% of trail runners changed their training following injury and 79% indicated that their injury would affect their competition performance. Regarding illness, the respiratory tract was the most frequent organ system involved (82.9%). Male and female participants reported similar proportions of anatomical regions (injury) and organ systems (illness) affected. These results could help to generate education strategies and appropriate medical support before and during these competitions

The Effect of Sleep Quality on Pain in Chilean Individuals with Musculoskeletal Disorders

Poor sleep quality (SQ) negatively affects pain associated with musculoskeletal disorders (MSD). As the level of economic development of a country determines its sanitary conditions, these can influence the sleep–pain relationship; therefore, it is relevant to generate evidence in the population with MSD in developing countries. This cross-sectional study sought to determine the effect of poor SQ on pain in Chilean individuals with MSD, controlling for sex and duration of pain (in months). Method: A total of 228 individuals were included. SQ was measured with the Pittsburg Sleep Quality Index (PSQI), pain (intensity, interference and distress relative to pain) was measured with visual analog scales. Structural equation modeling (SEM) was performed to analyze the effect of SQ on pain. Results: A high frequency of poor SQ was present in the studied group, and was more prevalent in women. The SEM model evidenced that poor SQ predicts greater pain. Sex influences sleep quality and pain, but not pain duration. Conclusions: These findings indicate that poor SQ predicts higher pain in MSD and that women exhibit worse SQ and more significant pain than men. Our findings support that SQ should be considered in the comprehensive approach to pain in individuals with MSD

Psicothema

Resumen tomado de la publicaciónPropiedades psicométricas de la PCS y PCS-4 en individuos con dolor musculoesquelético. Antecedentes: la estructura factorial de la Escala de Catastrofización del Dolor (PCS) rara vez se ha analizado adecuadamente. El objetivo de este estudio fue evaluar las propiedades psicométricas del PCS a través de diferentes enfoques factoriales exploratorios y confirmatorios. Método: se incluyeron trescientos noventa y cuatro pacientes chilenos con dolor musculoesquelético (edad, M=49,61; DE=18,00; 71,57% mujeres). Se propusieron ocho modelos factoriales. Asimismo, se analizó la evidencia de validez de la PCS basada en relaciones con otras variables considerando la intensidad del dolor y la kinesiofobia. Resultados: los resultados sugieren una estructura unidimensional. Los modelos con más de una dimensión mostraron cargas factoriales o índices de ajuste inadecuados. A partir de estos resultados se propone una versión corta de la escala compuesta por 4 ítems (PCS-4). Las puntuaciones de PCS-4 mostraron altos niveles de invarianza entre sexos, cronicidad del dolor y niveles educativos. La PCS-4 también se asoció con otras medias de dolor y kinesiofobia. Conclusiones: los resultados de la PCS-4 versión en español mostraron evidencia de fiabilidad y validez para medir adecuadamente el catastrofismo del dolor en chilenos con dolor musculoesquelético. El PCS-4 es una forma corta que debería explorarse en estudios futuros (por ejemplo, en otras poblaciones hispanoparlantes).ES

Trail running injury risk factors: a living systematic review

OBJECTIVE: To review and frequently update the available evidence on injury risk factors and epidemiology of injury in trail running. DESIGN: Living systematic review. Updated searches will be done every 6 months for a minimum period of 5 years. DATA SOURCES: Eight electronic databases were searched from inception to 18 March 2021. ELIGIBILITY CRITERIA: Studies that investigated injury risk factors and/or reported the epidemiology of injury in trail running. RESULTS: Nineteen eligible studies were included, of which 10 studies investigated injury risk factors among 2 785 participants. Significant intrinsic factors associated with injury are: more running experience, level A runner and higher total propensity to sports accident questionnaire (PAD-22) score. Previous history of cramping and postrace biomarkers of muscle damage is associated with cramping. Younger age and low skin phototypes are associated with sunburn. Significant extrinsic factors associated with injury are neglecting warm-up, no specialised running plan, training on asphalt, double training sessions per day and physical labour occupations. A slower race finishing time is associated with cramping, while more than 3 hours of training per day, shade as the primary mode of sun protection and being single are associated with sunburn. An injury incidence range 0.7-61.2 injuries/1000 hours of running and prevalence range 1.3% to 90% were reported. The lower limb was the most reported region of injury, specifically involving blisters of the foot/toe. CONCLUSION: Limited studies investigated injury risk factors in trail running. Our review found eight intrinsic and nine extrinsic injury risk factors. This review highlighted areas for future research that may aid in designing injury risk management strategies for safer trail running participation.PROSPERO registration numberCRD42021240832