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Introduction
I investigate the effects of inspiratory muscle training on lung function, muscle oxygenation and physical performance.
Skills and Expertise
Additional affiliations
December 2017 - present
Ministerio de Economía Fomento y Turismo de Chile
Position
- Embajador Internacional
Publications
Publications (178)
Introducción: La práctica profesional constituye un componente fundamental en la formación docente, ya que facilita la integración de conocimientos teóricos y prácticos. Sin embargo, los estudiantes en esta etapa enfrentan diversos desafíos debido a su limitada experiencia pedagógica, los cuales no siempre se resuelven positivamente. La retroalimen...
Objective: To analyze the distribution and evolution of sports investment in Chile during the 2006-2024 period, focusing on how these resources have been allocated to different sports disciplines and regions of the country, and their impact on sports development. Method: Quantitative and descriptive study based on data provided by the National Inst...
Introducción: La actividad física realizada en el contexto escolar juega un papel importante en el bienestar físico y psicológico de niños y adolescentes. Objetivo: evaluar el efecto de un programa integral de actividad física basado en juegos modificados y hábitos saludables en la aptitud física de escolares de un establecimiento educacional Metod...
Trail running (TR) is an endurance sport practised on irregular natural terrain with significant elevation changes. The aim was to analyse cardiorespiratory fitness parameters, bilateral body composition and maximal strength profiles in the lower limbs of elite Chilean trail runners. A 26-year-old Chilean amateur ultra trail runner was studied (bod...
This study analyze the effect of a single functional neurology session on sports performance, pain perception, fatigue perception and thermographic muscular response in an international female weightlifting athlete with incapacity to tolerate weight. Functional neurology is a discipline leveraging neuroplasticity for non-invasive recovery and per-f...
Introduction: Numerous studies have utilized the ALPHA-Fitness battery to evaluate physical fitness (PF) and its positive impact on school-aged children's health. However, despite its extensive use, no bibliometric review has systematically examined the research trends or scientific production surrounding the ALPHA-Fitness battery, leaving a gap in...
Introduction: The Daily Mile is a school intervention that aims to improve health parameters in students through a daily physical activity that consists of walking or running a mile at their own pace. Objective: To determine, through a systematic review, the effect of Daily Mile interventions on health parameters in children and adolescents. Method...
Introduction: School uniforms play a crucial role in promoting physical activity among schoolchildren during school hours, which can help reduce the risk of metabolic diseases linked to physical inactivity and a sedentary lifestyle. This systematic review aimed to explore the differences in physical activity levels, physical fitness, and cognitive...
Introduction: Various studies have used the 20-meter shuttle run test to estimate cardiorespiratory fitness in different population groups, aiming to associate test performance with the physiological, psychosocial, and cognitive health of children and young people. However, to date, no bibliometric review study has been found that analyzes the rese...
Objective
To evaluate the relationship between adherence to muscle-strengthening guidelines in young adulthood and inflammation markers over a 17-year follow-up period. Additionally, it aims to examine whether body mass index (BMI) and waist circumference (WC) act as mediators in this relationship.
Methods
The study analysed data from young adults...
Objective
This study aimed to explore the association between handgrip strength, cardiometabolic risk (CMR) and body composition in youth with type 1 diabetes.
Methods
For this prospective cohort study, muscular fitness was assessed via handgrip test and relativised by weight, and body composition, evaluated through dual-energy X-ray absorptiometr...
Background and Objectives: Soccer is a sport characterized by various unpredictable situations in which physical abilities are associated with athletic performance. There are several capa- bilities that young soccer players must develop to adapt to the needs of the competition. This study analyzes the physical characteristics, tactical knowledge, e...
La retroalimentación formativa es una estrategia pedagógica esencial que facilita el aprendizaje activo y reflexivo, permitiendo a los estudiantes involucrarse de manera crítica en su propio proceso educativo, y a los docentes ajustar de forma efectiva sus métodos de enseñanza, promoviendo un ambiente de aprendizaje continuo y adaptativo. Esta estr...
This study aimed to automatically classify physical fitness and cardiometabolic risk in a Chilean adolescent using self-organizing maps. This cross-sectional study analysed a nationally representative database from the Physical Education Quality Measurement System (n = 7197). Physical fitness and cardiometabolic risk variables were derived from ant...
Antecedentes: Esta revisión sistemática tuvo como objetivo explorar la relación entre la actividad física (AF) y el estrés escolar en niños y adolescentes. El estudio examinó cómo las intervenciones de AF, los deportes y el ejercicio afectan los resultados de salud mental, particularmente la reducción del estrés en poblaciones escolares. Métodos: S...
This study aimed to automatically classify physical fitness and cardiome-tabolic risk in a Chilean adolescent using self-organizing maps. This cross-sectional study analysed a nationally representative database from the Physical Education Quality Measurement System (n = 7197). Physical fitness and cardiometabolic risk variables were derived from an...
In Chile, accreditation of pedagogy programs is crucial to ensure quality in teacher training, according to Law 20.129. This qualitative documentary study reviewed 29 accreditation resolutions of Physical Education Pedagogy programs, using content analysis with Atlas.ti 24. The findings reveal that: a) practice is essential in teacher training; b)...
Objective
This study aimed to assess associations between chronotype and obesity‐related indicators in a sample of Spanish adolescents.
Methods
This cross‐sectional study used data from The Eating Healthy and Daily Life Activities (EHDLA) Study, which included a representative sample of adolescents from Spain. A total of 820 adolescents (54.7% gir...
In skydiving, the monitoring of external and internal load is essential to establish energy demands. The objective of the study was to analyze the internal and external load performed by the Chilean national skydiving team during a national championship. A non-experimental, cross-sectional and descriptive study was carried out with the participatio...
En el paracaidismo, el monitoreo de la carga externa e interna es esencial para establecer las demandas de energía. El objetivo del estudio fue analizar la carga interna y externa realizada por la selección nacional de paracaidismo de Chile durante un campeonato nacional. Se realizó un estudio no experimental, transversal y descriptivo con la parti...
Insufficient and unequal access to food (i.e. food insecurity [FI]) has a negative impact on health, especially in vulnerable groups such as adolescents. This study investigates the prevalence of FI and its sociodemographic correlates among adolescents in the Valle de Ricote , Murcia, Spain. Using data from the Eating Healthy and Daily Life Activit...
Obstacle course races (OCR) have experienced significant growth in recent years, with millions of participants worldwide. However, there is limited research on the specific physiological demands and injury prevention strategies required for these events. This study aimed to analyze the physiological responses and injury risks in participants of a 5...
El uso de la realidad virtual y plataformas inestables en el ámbito deportivo ha ganado interés en el último tiempo por su potencial para mejorar el rendimiento físico gracias a la simulación de distintos entornos. En este sentido, es necesario investigar los efectos del ejercicio de alta intensidad utilizando realidad virtual en una plataforma ine...
Editorial on the Research Topic Muscle oxygenation and vascular adaptations in sports performance and rehabilitation Technological advancements in sports and health have enabled the indirect (and non-invasive) measurement of metabolism, blood flow, and oxygenation at the muscle level, during exercise. This has significantly enhanced our understandi...
Introduction: Non-disabled throwing athletes face unique challenges related to injuries and pain in the upper-body due to high demands placed on the shoulders and upper limbs. However, there is limited research on the epidemiology of sports injuries in para athletes participating in the Para Athletics throwing events. Hence, the aim of this study w...
Background: This study aimed to analyze the relationship between socioeconomic status (SES), poverty rate, and the prevalence of overweight/obesity or obesity in children and adolescents aged 2–14. Methods: Parents or guardians reported the weight and height of participants, used to calculate body mass index (BMI) and BMI z-scores according to the...
En el presente estudio se utilizó una metodología cualitativa fenomenológica y tuvo como objetivo analizar la reflexión profesional narrada por un grupo de estudiantes de Educación Física posterior al desarrollo de una propuesta de innovación educativa basada en el aprendizaje basado en proyectos (ABP) y la gamificación educativa. Participaron 30 e...
En el presente estudio se utilizó una metodología cualitativa fenomenológica y tuvo como objetivo analizar la reflexión profesional narrada por un grupo de estudiantes de Educación Física posterior al desarrollo de una propuesta de innovación educativa basada en el aprendizaje basado en proyectos (ABP) y la gamificación educativa. Participaron 30 e...
Antecedentes: La búsqueda de herramientas que fortalezcan el prácticum en la formación docente ha generado nuevas formas de acompañamiento de los estudiantes. Entre estas herramientas, las grabaciones audiovisuales han surgido como un recurso valioso porque permiten a los futuros profesores de educación física revisar y reflexionar sobre su práctiu...
La calidad educativa en Chile demanda esfuerzos integrados que incluyan la implementación de políticas efectivas destinadas a asegurar una educación inclusiva y de calidad. Es esencial un currículo que promueva el desarrollo de competencias y un alineamiento de las asignaturas que contribuya al desarrollo integral de los estudiantes. Desde esta per...
Objective:
To compare the cardiovascular risk and physical fitness, according to type of school in a national sample of Chilean school students.
Methods:
A total of 7,218 students participated, who completed all the national tests of the National System for Measuring the Quality of Education, which included physical fitness and anthropometric te...
Objective
This systematic review was conducted to analyze the existing evidence on the effects of strength training (ST) and complex/contrast training (CCT) on repeated sprint ability (RSA) in team sports players.
Methods
A systematic review of the literature was performed following the PRISMA statement. PubMed, Web of Science, and Scopus database...
Background: Evidence assessing the relationship between chronotype and disordered eating in adolescents is scarce. The current study tried to evaluate the association between chronotype and disordered eating in a sample of Spanish adolescents. Methods: This secondary cross-sectional study analyzed data from the Eating Healthy and Daily Life Activit...
El objetivo central de este estudio fue identificar y comparar las tendencias fitness más destacadas para el año 2024 en Chile, contrastándolas con los hallazgos obtenidos a través de la encuesta internacional llevada a cabo por el American College of Sport Medicine (ACSM). La recopilación de información se realizó mediante una encuesta online que...
Military readiness relies heavily on the physical fitness and operational capability of its personnel. This study aims to enhance the effectiveness of body composition assessment and classification protocols within the military context. A comprehensive evaluation of 4370 active-duty Chilean military personnel was conducted, focusing on anthropometr...
This study aimed to determine the differences in muscle O 2 extraction capacity and physical fitness between physically active and sedentary schoolchildren. 19 students aged 10 to 14 years participated, categorized as physically active or inactive. In addition, a battery of basic physical condition and cardiovascular variables assessments was carri...
Esta investigación tuvo como objetivo comparar las necesidades psicológicas básicas entre mujeres y hombres adolescentes durante la clase de Educación Física. Se utilizó una metodología cuantitativa con un diseño transversal, de alcance comparativo. Participaron 551 estudiantes (302 mujeres y 249 hombres con edades entre los 14 y 17 años), a quiene...
El objetivo de este estudio fue determinar las diferencias en la capacidad de extracción de O2 muscular y la condición física entre escolares físicamente activos y sedentarios. Participaron 19 estudiantes de 10 a 14 años, categorizados como físicamente activos o inactivos. Además, se llevó a cabo una batería de evaluaciones de la condición física b...
La cantidad de horas de Educación Física (EFI) podrían estar asociadas a beneficios en la calidad del sueño de adolescentes. El objetivo de este estudio fue determinar la asociación de la frecuencia de clases de EFI y la calidad de sueño en estudiantes de enseñanza media de colegios de la quinta región de Valparaíso. Participaron 286 estudiantes (1...
Basic motor skills are recognized as fundamental movements that allow children to interact with their environment and are identified as the basic structure on which more complex movements are built. Objective: to identify the level of motor development of children from 3 to 10 years of age according to sex and age group. Methodology. We studied a s...
Resumen. Antecedentes: En respuesta a las demandas de mejora en la formación docente, las prácticas profesionales han emergido como un componente fundamental para integrar la teoría con la práctica en la preparación de futuros profesores. Sin embargo, es crucial comprender las orientaciones y funciones inherentes a estas prácticas en la formación d...
Brief Summary: Sport specialization requires an understanding of morphological variability to optimize performance. However, the current literature lacks a detailed analysis of the anthropometric profile of track and field athletes, especially in Latin America. Additionally, the five-way fractionation method of body mass has been under-documented....
Postural hygiene is the technique of positioning the body in a natural way, whether in a static or dynamic state. In this sense, the spinal column is the base structure for the stability of the human being, therefore, preventive measures must be taken for its correct functioning. The objective of this review is to identify the factors that influenc...
Resumen. Antecedentes. El fútbol es un deporte colectivo que genera altas demandas bioenergéticas, pero en la actualidad existe escasa evidencia del análisis de la intensidad de juego en futbolistas jóvenes en Chile. Objetivo. Comparar la carga externa según posi-ción de juego en futbolistas jóvenes (sub-19) de un equipo de la liga profesional de f...
Antecedentes. El fútbol es un deporte colectivo que genera altas demandas bioenergéticas, pero en la actualidad existe escasa evidencia del análisis de la intensidad de juego en futbolistas jóvenes en Chile. Objetivo. Comparar la carga externa según posición de juego en futbolistas jóvenes (sub-19) de un equipo de la liga profesional de fútbol de C...
The study aimed to calculate training intensity and load using muscle oxygen saturation (SmO 2) during two differentiated physical tasks. 29 university athletes participated in a 40-m Maximal Shuttle Run Test (MST, 10 × 40-m with 30 s recovery between sprints) and a 3000-m time trial run. Distance and time were used to calculate external load (EL)....
Tang Soo Do is a versatile martial art that stands out for the use of the hip for its technical gestures. Karate is one of the most attractive martial arts around the world. Both karate and Tang Soo Do share a firm style in their techniques and combat. However, some of the forms in Tang Soo Do possess a gentle style similar to Kung Fu and Tai Chi....
El uso de escalas de tasa de esfuerzo percibido (RPE) basadas en repeticiones de reserva (RIR) puede ser un complemento a los métodos absolutos, como 1 repetición máxima (1RM), la variable porcentual con respecto a 1RM (xRM) y la velocidad concéntrica media (VCM), optimizando el control de la intensidad del entrenamiento. El objetivo de este estudi...
El Tang Soo Do es un arte marcial versátil que destaca por el uso de la cadera para sus gestos técnicos. El karate es una de las artes marciales más atractivas alrededor del mundo. Tanto karate como Tang Soo Do comparten un estilo firme en sus técnicas y combate. Sin embargo, algunas de las formas en Tang Soo Do poseen un estilo suave similar al ku...
An increase in the delivery and use of oxygen to the musculature in physically active subjects are determinants of improving health-related aerobic capacity. Additional health benefits, such as an increase in the muscle mass and a decrease in fat mass, principally in the legs, could be achieved with weekly global physical activity levels of more th...
Citation: Clemente-Suárez, V.J.; Peris-Ramos, H.C.; Redondo-Flórez, L.; Beltrán-Velasco, A.I.; Martín-Rodríguez, A.; David-Fernandez, S.; Yáñez-Sepúlveda, R.; Tornero-Aguilera, J.F. Personalizing Abstract: In recent years, although life expectancy has increased significantly, non-communicable diseases (NCDs) continue to pose a significant threat to...
Modified invasion games promote the development of real and perceived motor competence. Children with higher motor competence are more likely to participate in physical activity practice and to remain in it, both in adolescence and adulthood. (1) Background: The purpose of this study is to determine the effect of modified invasion games on the real...
Trail running (TR), an extreme endurance sport, presents unique challenges due to the variety of terrain and distances, where physiological capacity and body composition have been considered better predictors of performance. This longitudinal case study examines the impact of training intensity distribution (TID) on an elite trail runner's physiolo...
l autoconcepto físico es uno de los principales dominios del autoconcepto general y su investigación se ha centrado principalmente en poblaciones escolares y universitarias. Con el propósito de contribuir al conocimiento del autoconcepto físico en otros contextos, el presente estudio tuvo como objetivo determinar el nivel de autoconcepto físico en...
El autoconcepto físico es uno de los principales dominios del autoconcepto general y su investigación se ha centrado principalmente en poblaciones escolares y universitarias. Con el propósito de contribuir al conocimiento del autoconcepto físico en otros contextos, el presente estudio tuvo como objetivo determinar el nivel de autoconcepto físico en...
Durante la pandemia por COVID-19, el confinamiento, los cambios radicales en los hábitos de vida y las sospechas de contagio, favoreció el aumento de la vulnerabilidad al estrés. Con el objetivo de analizar la actividad física y la asociación con el estado nutricional, los hábitos nutricionales y la vulnerabilidad al estrés en estudiantes universit...
Objetivo: Relacionar el tiempo en pantalla y tiempo sedentario con el clima escolar en tiempos de pandemia en alumnos entre 11 y 14 años de la Región de Valparaíso. Materiales y métodos: estudio no experimental, de enfoque cuantitativo, con alcance descriptivo y correlacional. La muestra fue de 179 alumnos (104 mujeres y 75 hombres) entre los 11 y...
367-Retos, número 53, 2024 (abril) Tiempo en pantalla, tiempo sedentario y clima escolar en tiempo de pandemia en estudiantes entre 11 y 14 años de la región de Valparaíso, Chile. Screen time, sedentary time and school climate level in times of pandemic in students between 11 and 14 years of age in the Valparaíso Region Resumen. Objetivo: Relaciona...
Background
Physical inactivity is prevalent in childhood. Schools can be an ideal context to promote the regular practice of physical activity since children spend there a large part of the day. In this sense, an emerging and current trend is active breaks at school. This article presents a study protocol that seeks to assess the feasibility and ef...
En la actualidad se ha visto un explosivo aumento de las enfermedades mentales que afectan el autoconcepto personal. El autoconcepto se define como la percepción que la persona tiene de sí misma y se puede clasificar en diversos ámbitos, dentro de los ámbitos se encuentra el autoconcepto físico (ACF), que es una autoevaluación individual de atribut...
University physical activity is vital when talking about healthy lifestyle habits within a population which often does not have enough time or adequate space to do it for different reasons such as academics, timetables, etc. Because of this, having a quality sports service within the university is fundamental when motivating students to participate...
Esta investigación tuvo como objetivo comparar las necesidades psicológicas básicas entre mujeres y hombres adolescentes du-rante la clase de Educación Física. Se utilizó una metodología cuantitativa con un diseño transversal, de alcance comparativo. Participaron 551 estudiantes (302 mujeres y 249 hombres con edades entre los 14 y 17 años), a quien...
This review examines the transformation of educational practices to online and distance learning during the COVID-19 pandemic. It specifically focuses on the challenges, innovative approaches, and successes of this transition, emphasizing the integration of educational technology, student well-being, and teacher development. The COVID-19 pandemic h...
The maturation process has a great influence on the anthropometric factors and physical capabilities of the athlete, and therefore, on the selection process of sporting talents. The objective of this work was to analyze the maturational state and anthropometric characteristics together with the comparison of these data by sex in a sample of 39 youn...
RESUMEN: El proceso madurativo tiene una gran influencia sobre los factores antropométricos y las capacidades físicas del atleta, y por tanto, sobre el proceso de selección de talentos deportivos. El objetivo de este trabajo fue analizar el estado madurativo y las características antropométricas junto con la comparación de estos datos por sexo en u...
Citation: Yáñez-Sepúlveda, R.; Olivares-Arancibia, J.; Cortés-Roco, G.; Vasquez-Bonilla, A.; Monsalves-Álvarez, M.; Alvear-Órdenes, I.; Tuesta, M. Association between Fractional Oxygen Extraction from Resting Quadriceps Muscle and Body Composition in Healthy Men. Abstract: This study aimed to associate body composition with fractional oxygen extrac...
Asthma is one of the most common atopic disorders in all stages of life. Its etiology is likely due to a complex interaction between genetic, environmental, and lifestyle factors. Due to this, different non-pharmacological interventions can be implemented to reduce or alleviate the symptoms caused by this disease. Thus, the present narrative review...
Body composition encompasses a series of variables that are health-related and influence physical condition. Nevertheless, there is little evidence on its effects on the operational capacity of the military. The objective of this study was to relate the body composition, the physical condition and the operational capacity of the Chilean military. F...
Epithelial transport is a multifaceted process crucial for maintaining normal physiological functions in the human body. This comprehensive review delves into the pathophysiological mechanisms underlying epithelial transport and its significance in disease pathogenesis. Beginning with an introduction to epithelial transport, it covers various forms...
This study aims to assess the nutritional status of Aymara and non-Aymara children in Arica, comparing anthropometric measurements of boys and girls aged 4-10 to inform interventions for child health and development. We conducted a non-experimental, quantitative, cross-sectional study in Arica, Chile. The sample included 458 children, with equal re...