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Reply to second letter to the editor about the article ‘‘The addition of blood flow restriction to resistance exercise in individuals with knee pain: a systematic review and meta analysis’’
No full textCorresponde a Carta al editorCarta al edito
Exploring the mediating role of promoting school physical activity on the relationship between low socioeconomic status and academic achievement and school climate: evidence from 4,990 Chilean schools
No full textThere is evidence that promoting school physical activity (PSPA) benefits children and adolescents, but little is understood about how this promotion may relate to academic achievement and school climate across varying levels of socioeconomic status (SES). Hence, the study aimed to address this knowledge gap by examining two main objectives: (1) determining the association between PSPA and academic achievement and school climate according to schools' SES and (2) exploring the potential mediating role of PSPA in the relationship between schools' SES and academic achievement and school climate. This cross-sectional study at the school level focused on 4,990 schools (including public, subsidized, and private schools) that participated in the National Educational Study 2018 (Chile), which was applied to primary schoolchildren (4th grade, aged 8-10 years). Schools were divided into non-PSPA (n = 4,280) and PSPA (n = 710) during the year 2018. Changes in academic achievement from 2017 to 2018 and school climate were considered. PSPA was associated with improvements in maths (low-SES OR: 1.80, p < 0.001) and reading (middle-SES OR: 1.45, p = 0.029; low-SES OR: 1.47, p < 0.001). The indirect effect (IE) showed that PSPA partially mediated the relationship between SES and academic achievement in reading (IE = 1.017; SE = 0.12; 95%CI, -1.27, -0.77), maths (IE = -1.019; SE = 0.12; 95%CI, -1.25, -0.78), and school climate (IE = -0.46; SE = 0.52; 95%CI, -0.56, -0.35). In conclusion, PSPA was linked to positive changes in academic achievement, especially among low SES, and PSPA presented a potential mediating role in the relationship between SES of schools and academic achievement and school climate
Exploring the destiny and distribution of thiocyanate in the water-soil-plant system and the potential impacts on human health
Get PDFEndocrine disruptors like thiocyanate are some of the principal causes of chronic disorders worldwide. Prenatal and postnatal exposure to thiocyanate can interfere with normal neurological development in both fetuses and newborns. Currently, little information regarding thiocyanate levels and potential sources of exposure is available. In this study, we evaluated thiocyanate uptake and accumulation in chard and spinach grown under greenhouse conditions. Both chard and spinach are commonly used to produce baby foods. Three thiocyanate concentrations were compared: Control, T1 (30 ng mL−1), and T2 (70 ng mL−1). Thiocyanate accumulation depended on the concentration and exposure time. Chard was found to accumulate more thiocyanate than spinach, with leaf accumulation > stem accumulation (p < 0.0194) and maximum concentrations of 76 ng g−1 (control), 112 ng g−1, (T1), and 134 ng g−1 (T2). The estimated daily intake (EDI) of thiocyanate for chard and spinach (fresh) exceeded the subchronic reference dose of 200 ng−1 kg−1 day−1 and the chronic reference dose of 600 ng−1 kg−1 day−1. In addition, the EDI of thiocyanate for spinach in baby food exceeded twice the chronic reference dose in the vulnerable newborn–1 year age group
Effect and influence of storytelling on vocabulary acquisition through active listening among second-grade students in primary school
Get PDFAnimitas in the Araucanía: Mourning and Tragedies Crystallized in the Public Space
Get PDFThe animita is installed in the public space unrelated to any formal or institutional regulation, it is incorporated into the citizen’s traffic at the specific place where a tragedy has occurred; or where a violent or accidental death has occurred (murders or children murders, suicides, accidents to pedestrians, delinquents or travellers). The blood spilled together with candles lighted by the mourners, demarcates the point of orientation for the soul of the deceased and it will be the place where a new animita, (temple house), or whatever the constructive imaginary on a small scale permits. It is there where life and death give way to the ineffable; where the deceased becomes a Popular Saint through favours granted, and, thanks to them, he or she will be able to atone for his or her sins and conclude their mission, abruptly truncated in life. The animitas are incorporated into the urban or rural architectural scene, presenting themselves as areas for devotion and indirectly as a reminder of the fragility of life. Because they’re part of communal heritage and take place as social warrens, they represent a
challenge for the architectural planning of the city and its road connectivity networks. The tension between the practices of the mortuary rite of the past and the present warns us about the challenges to think and reflect on the new intelligent city, which must dialogue in a respectful
and sustainable way with its secular manifestations and its roots in cultural identity in southern Chile
(The plurality of the common and the imaginaries of property)
No full textThis paper proposes a reflective look at the modern limits of legal thought, insofar as it questions how one can speak of common rights, of emerging rights, of the common as its own sphere, different, complementary and coexistent with modern forms of legal business, for valuation and subsistence of natural and social ecosystems without understanding that in the history of property there are certain logics and ways that up to now do not include the idea of common goods or in liberal private rights or in constitutional or international orders. The conclusion is reached that in order to get out of the epistemological blindness of patrimonial law and formalism, it is necessary to settle more in the nomadic paradigm of the question than in that of the established answer
Clinical simulation with dramatization, a teaching-learning strategy for undergraduate students of nutrition and dietetics
Get PDFAt present, education in Health Sciences requires interaction with real patients, which is made more complex due to the need to ensure their health safety. For this reason, new teaching methodologies are now being implemented, which help to improve and protect safe care. Objective: This study was carried out using a quantitative approach with a non-experimental, descriptive design. Materials and Methods: The sample was non-probabilistic and consisted of 87 undergraduate students. A questionnaire was used, with 18 statements divided into 3 dimensions: dimension 1, simulation structure, with six questions reflecting aspects related to its implementation; dimension 2, learning, with seven questions related to aspects of effective communication, trust, learning and respect for diversity; dimension 3, feedback for learning, with five questions, including feedback by the teacher and the simulated patient, as well as their own views with regard to participating in another similar experience again. A five-point Likert scale was used. Results: The three dimensions studied, simulation structure, learning and feedback for learning, report a high level of positive perceptions. Conclusion: The simulation strategy is an educational tool in health-related careers that enhances the clinical competencies of the students as well as the relevant theoretical and practical skills and abilities in their learning process, promoting integration of the knowledge acquired in previous subjects.
Resumen
En la actualidad, la formación en Ciencias de la Salud requiere de la interacción con pacientes reales, lo que se hace más complejo por la necesidad de velar por la seguridad de su salud. Por ello, ahora se están implementando nuevas metodologías docentes que ayudan a mejorar y proteger la atención segura. Objetivo: Este estudio se llevó a cabo con un enfoque cuantitativo con un diseño no experimental, descriptivo. Materiales y métodos: La muestra fue no probabilística a conveniencia y estuvo conformada por 87 estudiantes de pregrado. Se utilizó un cuestionario, con 18 enunciados divididos en 3 dimensiones: dimensión 1, estructura de simulación, con seis preguntas que reflejan aspectos relacionados con su implementación; la dimensión 2, aprendizaje, con siete preguntas relacionadas con aspectos de comunicación efectiva, confianza, aprendizaje y respeto a la diversidad; dimensión 3, retroalimentación para el aprendizaje, con cinco preguntas, que incluye la retroalimentación del docente y del paciente simulado, así como sus propias opiniones con respecto a participar nuevamente en otra experiencia similar. Se utilizó una escala tipo Likert de cinco puntos. Resultados: Las tres dimensiones estudiadas, estructura de simulación, aprendizaje y retroalimentación para el aprendizaje, reportan un alto nivel de percepciones positivas. Conclusión: La estrategia de simulación es una herramienta educativa en carreras afines a la salud que potencia las competencias clínicas de los estudiantes, así como las destrezas y habilidades teóricas y prácticas pertinentes en su proceso de aprendizaje, favoreciendo la integración de los conocimientos adquiridos en materias anteriores
The Persistence of the University Dream: Class and Social Mobility as Projected by Students at a Chilean University
No full textHigher education is considered an important dimension for building more egalitarian societies. However, despite the social value assigned to it, international evidence indicates that the social status of students' families continues to prevent significant mobility in the social structure. In Chile, despite policies to increase access to higher education, the university system continues to reproduce inequalities of origin through selection, separating elite students from low-income students. In this context, little is known about the perception that university students have of the role that these institutions play in social mobility, especially for those of more disadvantaged social origins. This article explores and describes the persistence of the university dream among Chilean's students at the Catholic University of Temuco, the Chilean educational institution with the highest percentage of poor students in the country, analyzing it on the understanding that aspirations represent idealist targets of the desired social class, while expectations represent realistic goals regarding the expected social class. Based on a statistical analysis of survey data from 209 students, results show that students' family origin does not prevent them from projecting themselves as part of a higher class, with the university acting as an agent that dynamizes positions to favor greater homogeneity in the future social structure. In addition, postgraduate degrees are defined as a catalyst for future social mobility. Finally, the future tensions between the still-hegemonic meritocratic discourse and the reality of the social space that these students will occupy are discussed
LYOPHILIZED SMALL EXTRACELLULAR VESICLES (SEV) FROM GLYCOLYTICALLY ACTIVATED MESENCHYMAL STEM/STROMAL CELLS PROMOTE CHONDROPROTECTION IN VITRO AND CARTILAGE REGENERATION IN VIVO
No full textReview on properties of GGBFS and fly ash incorporated aerated concrete with filler materials
Get PDFLight weight concrete has been an area of interest for a lot of researchers over the years. While reducing the weight of concrete, mechanical strength and durability should not be compromised. Use of GGBFS and fly ash as partial replacement of cementitious material has been proved effective from various studies previously done. Along with the weight reduction, waste recycling is also an important concern for the researchers. Various waste materials like plastic particles, quarry dust, rubber powder etc. are studied for their effectiveness as a partial replacement for fine aggregates. Common issue with most of the filler materials is the strength reduction occurring with their addition. Apart from mechanical strength tests, micro structure study on the specimens will help to analyse the effect of addition of each material in detail.El hormigón ligero ha sido un área de interés para muchos investigadores a lo largo de los años. Si bien se reduce el peso del hormigón, la resistencia mecánica y la durabilidad no deben verse comprometidas. El uso de GGBFS y cenizas volantes como reemplazo parcial de material cementoso ha demostrado ser efectivo a partir de varios estudios realizados anteriormente. Junto con la reducción de peso, el reciclaje de residuos también es una preocupación importante para los investigadores. Se estudian diversos materiales de desecho como partículas de plástico, polvo de cantera, polvo de caucho, etc. para determinar su eficacia como sustituto parcial delos áridos finos. El problema común con la mayoría de los materiales de relleno es la reducción de resistencia que se produce con su adición. Además de las pruebas de resistencia mecánica, el estudio de la microestructura de las probetas ayudará a analizar en detalle el efecto de la adición de cada material