Efecto de la carrera contínua sobre el cartílago articular de ratas jóvenes

[Resumen] Nuestro propósito en este trabajo será averiguar la influencia del ejercicio físico sobre el cartílago articular del cóndilo femoral interno de la rodilla izquierda de las ratas, para ello, contamos con 12 ratas Sprague-Dawley, 6 en un grupo control y 6 en otro grupo entrenado (carrera continua sobre tapiz rodante) en las que hemos valorado los siguientes aspectos: Obtener el patrón normal de crecimiento de las ratas (peso, longitud corporal, longitud ósea y alimentación) y el efecto del ejercicio físico sobre el mismo, encontrando que los animales entrenados pesan menos, son de menor longitud, tienen los femures más pequeños que los animales control, su alimentación es proporcionalmente a su peso, similar. Establecer una disivión del cartílago articular en regiones morfofuncionales distintas. No existen diferencias grupales, todos los cóndilos tienen cuatro regiones distintas que soportan diferentes niveles de carga mecánica, numeradas de anterior y posterior como R1, R2, R3, y R4. Estudiar la longitud y la curvidad de la superficie articular completa y de cada una de las regiones morfofuncionales del cartílago articular, así como el efecto del ejercicio físico sobre las mismas. No existen diferencias grupales. La región de mayor tamaño (R3) coincide con la de mayor carga mecánica. La región central de carga (R2+R3) representa aproximadamente el 60% del desarrollo del cóndilo. Establecer las características histológicas normales para cada una de las regiones morfofuncionales del cartílago articular (el grosor del cartílago aumenta en R3 con el ejercicio, la celularidad en R2 disminuye, la definición zonal es mejor en el grupo entrenado, y la apetencia tintoriale por la Safranina 0 aumenta y se redistribuye con el ejercicio físico. Estudiar las características histológicas normales del tejido cartilaginoso epifisario que presenta mayor grosor en las regiones de menor carg

A new approach to study the relative age effect with the use of additive logistic regression models: a case of study of FIFA football tournaments (1908-2012)

[Abstract]: The relative age effect plays an important role in the pursuit of excellence, providing advantage to athletes born at the beginning of the year or near the cut-off date. This phenomenon has been observed in areas such as sports, education or business. Traditionally, the chisquare test has been used to analyze whether there are statistically significant differences in the distribution of births in each of the four quarters of the year. However, this approach is limited, focusing only on the analysis of the response variable, without taking into account the effect of a set of predictive variables. In this paper a new approach is proposed to study the relative age effect with the use of a logistic regression additive model. The new method has been evaluated with a sample of 21,639 players involved in football tournaments organized by the Fédération Internationale de Football Association (FIFA) between 1908 and 2012. New conclusions have been established that the relative age effect exists regarding player age and the year of the competition in male FIFA competitions and its effect is dynamic and complex.Xunta de Galicia; ED431G/0

A 47-Year Comparison of Lower Body Muscular Power in Spanish Boys: A Short Report

This article belongs to the Special Issue Health Promotion in Children and Adolescents through Sport and Physical Activities—2nd Edition[Abstract] Much of the evidence examining temporal trends in fitness among youth has found a decrease in measures of muscular strength and muscular power over recent decades. The aim of this study was to examine trends in lower body muscular power in Spanish boys over 47 years. In 1969 140 boys (10–11 years; body mass index = 19.24, SD = 2.91 kg/m2) and in 2016, 113 boys (10–11 years; body mass index = 19.20, SD = 3.15 kg/m2) were recruited. Lower body power was assessed using the vertical jump (VJ) and standing long jump (SLJ) tests. Significant differences and a large effect size were shown between groups in the SLJ (p = 0.001; d = 0.94) and the VJ (p = 0.001; d = 0.66). SLJ data in 1969 were higher (1.52 m, SD = 0.19) when compared to the 2016 data (1.34 m, SD = 0.18). The VJ performance of the 1969 sample was also higher (25.95 cm; SD = 6.58) than the 2016 sample (21.56 cm; SD = 4.72). SLJ and VJ performance of the 2016 group decreased 11.8% and 16.9%, respectively. There were no significant differences between groups in body mass index. The results indicate a secular decline in lower body muscular power in 10–11-year-old Spanish boys with no significant changes in body mass index over the 47-year study period

Effectiveness of an occupational therapy home programme in Spain for people affected by stroke

[Abstract] The main aim of this paper is to assess the effects of an occupational therapy home programme in Spain on 23 people who had had stroke (mean age 61.17 years). The programme was made up of a set of activities and techniques of physical, cognitive, social and functional nature aimed at preventing, maintaining and/or rehabilitating the abilities affected of people who had had stroke. A multiple-baseline intrasubject design and replication with a treatment withdrawal period to check whether the effects of the programme remained was applied. The results show a significant statistical improvement, concerning not only the participants' cognitive skills through Loewenstein Occupational Therapy Cognitive Assessment Battery - Second Edition but also their functional independence as assessed by the Barthel Index. Despite the low number of participants, being one of the limitations of our study, the results support the need to carry out research about the effectiveness of rehabilitation treatments in the home with the goal to plan how public healthcare systems should tackle them and how to improve those already being used

Producción científica Iberoamericana sobre TIC en el contexto educativo

ICT in the educational context can be seen as information transmitting resources that link the teacher and the student in the improvement of teaching-learning adapted to the needs and characteristics of each subject. From this perspective, we seek to describe the state of Iberoamerican scientific production on the inclusion of ICT in the educational discipline in the period 2010 to 2020, based on a retrospective descriptive analysis of publications collected in journals indexed in Scopus. A total of n=1976 contributions were collected. It was found that production increased by 8.51%. Spain is the Iberoamerican country that contributes with the highest scientific production, authors with Iberoamerican affiliation usually publish through conference articles, highlighting ACM International Conference Proceeding Series. In front of an analysis of maturity of knowledge we are facing a development of scientific production in process of growth.Las TIC en el contexto educativo pueden verse conocidos como recursos transmisores de información que vincula al docente y al estudiante en la mejora de la enseñanza - aprendizaje adaptado a las necesidades y características de cada sujeto. Desde esta perspectiva se busca describir el estado de la producción científica Iberoamericana sobre la inclusión de las TIC en la disciplina educativa en el periodo 2010 al 2020. El estudio se basa en el análisis descriptivo retrospectivo de publicaciones recopiladas en revistas indizadas en Scopus. Se recolectó un total de n=1976 contribuciones. Se encontró que la producción aumentó en un 8,51%. España es el país Iberoamericano que contribuye con mayor producción científica, los autores con afiliación Iberoamericana suelen publicar a través de Artículos de conferencia, destacando ACM International Conference Proceeding Series. Frente a un análisis de madurez de conocimiento estamos ante un desarrollo de producción científica en proceso de crecimiento

Producción científica Iberoamericana sobre TIC en el contexto educativo

ICT in the educational context can be seen as information transmitting resources that link the teacher and the student in the improvement of teaching-learning adapted to the needs and characteristics of each subject. From this perspective, we seek to describe the state of Iberoamerican scientific production on the inclusion of ICT in the educational discipline in the period 2010 to 2020, based on a retrospective descriptive analysis of publications collected in journals indexed in Scopus. A total of n=1976 contributions were collected. It was found that production increased by 8.51%. Spain is the Iberoamerican country that contributes with the highest scientific production, authors with Iberoamerican affiliation usually publish through conference articles, highlighting ACM International Conference Proceeding Series. In front of an analysis of maturity of knowledge we are facing a development of scientific production in process of growth.Las TIC en el contexto educativo pueden verse conocidos como recursos transmisores de información que vincula al docente y al estudiante en la mejora de la enseñanza - aprendizaje adaptado a las necesidades y características de cada sujeto. Desde esta perspectiva se busca describir el estado de la producción científica Iberoamericana sobre la inclusión de las TIC en la disciplina educativa en el periodo 2010 al 2020. El estudio se basa en el análisis descriptivo retrospectivo de publicaciones recopiladas en revistas indizadas en Scopus. Se recolectó un total de n=1976 contribuciones. Se encontró que la producción aumentó en un 8,51%. España es el país Iberoamericano que contribuye con mayor producción científica, los autores con afiliación Iberoamericana suelen publicar a través de Artículos de conferencia, destacando ACM International Conference Proceeding Series. Frente a un análisis de madurez de conocimiento estamos ante un desarrollo de producción científica en proceso de crecimiento

Producción científica Iberoamericana sobre TIC en el contexto educativo

ICT in the educational context can be seen as information transmitting resources that link the teacher and the student in the improvement of teaching-learning adapted to the needs and characteristics of each subject. From this perspective, we seek to describe the state of Iberoamerican scientific production on the inclusion of ICT in the educational discipline in the period 2010 to 2020, based on a retrospective descriptive analysis of publications collected in journals indexed in Scopus. A total of n=1976 contributions were collected. It was found that production increased by 8.51%. Spain is the Iberoamerican country that contributes with the highest scientific production, authors with Iberoamerican affiliation usually publish through conference articles, highlighting ACM International Conference Proceeding Series. In front of an analysis of maturity of knowledge we are facing a development of scientific production in process of growth.Las TIC en el contexto educativo pueden verse conocidos como recursos transmisores de información que vincula al docente y al estudiante en la mejora de la enseñanza - aprendizaje adaptado a las necesidades y características de cada sujeto. Desde esta perspectiva se busca describir el estado de la producción científica Iberoamericana sobre la inclusión de las TIC en la disciplina educativa en el periodo 2010 al 2020. El estudio se basa en el análisis descriptivo retrospectivo de publicaciones recopiladas en revistas indizadas en Scopus. Se recolectó un total de n=1976 contribuciones. Se encontró que la producción aumentó en un 8,51%. España es el país Iberoamericano que contribuye con mayor producción científica, los autores con afiliación Iberoamericana suelen publicar a través de Artículos de conferencia, destacando ACM International Conference Proceeding Series. Frente a un análisis de madurez de conocimiento estamos ante un desarrollo de producción científica en proceso de crecimiento