Most research support positive relationships between physical activity and mental health. However, possible moderating variables of these relationships have also been identified, such as age, gender, level of physical activity, and the scope of physical activity. This study aimed to analyze the relationships between physical activity and mental health levels in undergraduate students, assessing whether these associations can change depending on the level of physical activity (low, medium, or high) and the setting (occupational, commuting, or leisure time physical activity) in which it was performed. A descriptive and cross-sectional study was conducted. The sample comprised 847 undergraduate students. Physical activity and mental health were measured by the Global Physical Activity Questionnaire (GPAQv2) and the General Health Questionnaire (GHQ-12). We found relationships between students’ physical activity level and their mental health status. The higher the total physical activity, the better their mental health scores. High levels of commuting and leisure time physical activity is also associated with better mental health, while only moderate levels of occupational physical activity are associated with better mental health status. Regarding the possible associations between physical activity and vulnerability to mental health problems, with the fully adjusted regression model, leisure time and occupational physical activity remain protective of a poor state of mental health. Leisure time physical activity, performed at a high level, and moderate occupational physical activity seems to be the best combination of physical activity to reduce students’ vulnerability to potential mental health problems.

Work engagement is a scientifically consolidated variable, due to its fundamental role in business practice. To increase work engagement in companies, it is necessary to know which variables are antecedents and how they relate to each other. These variables include job autonomy, job crafting, and psychological capital. This research evaluates the relationships between job autonomy, job crafting, psychological capital, and work engagement. Specifically, based on the job demands and resources model and the conservation of resources theory, the study examines these relationships in a sample of 483 employees, through a serial mediation model. The results show that job crafting, and psychological capital mediates the relationship between job autonomy and work engagement. These results have practical implications for interventions to promote employee work engagement.

El fenómeno de los esports ha venido creciendo de manera exponencial durante los últimos años. Numerosos equipos han creado centros de alto rendimiento para generar deportistas cada vez más competitivos. Diferentes estudios han indicado la importancia del entrenamiento en los jugadores de esports. El objetivo de este trabajo fue realizar una revisión sistemática sobre los artículos científicos publicados en los últimos 10 años (2012-2022) sobre el entrenamiento en jugadores de esports. Se realizó una búsqueda en PubMed con las palabras clave “esports” y “training”. En la revisión se incluyeron trabajos en inglés, que reportaran información cuantitativa sobre los entrenamientos y variables entrenables que tenga por objeto mejorar el rendimiento deportivo. En un primer paso se obtuvieron 62 artículos, pero únicamente 8 cumplieron los criterios de inclusión. A pesar de la importancia de la industria del videojuego en general y de los esports en concreto, han sido muy pocos los estudios encontrados sobre el entrenamiento para el rendimiento de las diferentes variables. Asimismo, los estudios encontrados no son concluyentes debido a que no se pueden contrastar, tienen un pobre diseño, o mezclan criterios de elegibilidad de la muestra. Esta investigación pone de manifiesto la necesidad de desarrollar estudios longitudinales con intervención que expongan relaciones causales entre las propuestas y la mejora del rendimiento obtenida. Palabras clave: Esports, Entrenamiento, Rendimiento, Competición, Videojuegos, Jugador The esports phenomenon has been growing exponentially in recent years. Numerous teams have created high performance centres to generate increasingly competitive athletes. Different studies have indicated the importance of training in esports players. This research aimed to conduct a systematic review of the scientific articles published in the last 10 years (2012-2022) on training in esports players. A PubMed search was conducted using the keywords "esports" and "training". The review included papers in English that reported quantitative information on training and trainable variables aimed at improving sports performance. In a first step, 62 articles were obtained, but only 8 met the inclusion criteria. Despite the importance of the video game industry in general and esports in particular, very few studies have been found on training for the performance of the different variables. Furthermore, the studies found are not conclusive because they cannot be contrasted, have a poor design, or mix sample eligibility criteria. This research highlights the need to develop longitudinal studies with intervention that expose causal relationships between the proposals and the performance improvement obtained. Key words: Esports, Training, Performance, Competition, Videogames, Gamer