Universidad Mayor (Chile): últimos ingresos
Mostrando ítems 281-300 de 7087
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Componentes Anatómicos e Histológicos de la Zona Bilaminar de la Articulación Temporomandibular. Una Revisión Narrativa
(SOC CHILENA ANATOMIA, 2021-06-01)RESUMEN: Una de las estructuras que contribuye al correcto funcionamiento de la Articulación Temporomandibular (ATM) es el Disco Articular (DA). Visto en sección sagital, el DA se divide en cuatro zonas, la última de las ... -
Relación entre la condición física, índices antropométricos y parámetros de laboratorio en mujeres adultas mayores
(SOC MEDICA SANTIAGO, 2021-05-05)Antecedentes: El envejecimiento causa involución de indices antropométricos y de salud, los cuales pueden afectar la condición física. Objetivo: Determinar la influencia de indices antropométricos y de salud sobre la ... -
Prevalencia de debilidad muscular en personas mayores chilenas: resultados de la Encuesta Nacional de Salud 2016-2017
(SOC MEDICA SANTIAGO, 2021-05-10)Background: Handgrip strength is an indicator of frailty in older people. Aim: To determine the prevalence of low handgrip strength in older Chilean adults. Material and Methods: A cross-sectional analysis of 244 individuals ... -
Effects of Small-Sided Game Interventions on the Technical Execution and Tactical Behaviors of Young and Youth Team Sports Players: A Systematic Review and Meta-Analysis
(FRONTIERS MEDIA SA, 2021-05-07)Background: Small-sided games (SSGs) are an adjusted form of official games that are often used in training scenarios to introduce a specific tactical issue to team sports players. Besides the acute effects of SSGs on ... -
Effects of Recreational Small-Sided Soccer Games on Bone Mineral Density in Untrained Adults: A Systematic Review and Meta-Analysis
(MDPI, 2021-05-13)This systematic review with meta-analysis was conducted to assess the effects of small-sided games (SSG)-based training programs on bone mineral density (BMD) in untrained adults. The data sources utilized were Cochrane, ... -
Effects of the Small-Sided Soccer Games on Blood Pressure in Untrained Hypertensive Adults: A Systematic Review and Meta-Analysis of Randomized Controlled Trials
(MDPI, 2021-04-17)This systematic review with meta-analysis was conducted to assess the effects of small-sided games (SSGs)-based programs on the systolic and diastolic blood pressure of untrained hypertensive adults. The data sources ... -
Effects of Mental Fatigue in Total Running Distance and Tactical Behavior During Small-Sided Games: A Systematic Review With a Meta-Analysis in Youth and Young Adult's Soccer Players
(FRONTIERS MEDIA SA, 2021-04-19)Background: Mental fatigue can impact physical demands and tactical behavior in sport-related contexts. Small-sided games (SSGs) are often used to develop a specific sport-related context. However, the effects of mental ... -
A Meta-Analytical Comparison of the Effects of Small-Sided Games vs. Running-Based High-Intensity Interval Training on Soccer Players' Repeated-Sprint Ability
(MDPI, 2021-04-01)This systematic review with a meta-analysis was conducted to compare the effects of small-sided games (SSGs)-based interventions with the effects of running-based high-intensity interval training (HIIT) interventions on ... -
Effects of Small-Sided Games vs. Running-Based High-Intensity Interval Training on Physical Performance in Soccer Players: A Meta-Analytical Comparison
(FRONTIERS MEDIA SA, 2021-04-03)Objectives: This systematic review with meta-analysis (SRMA) was conducted to compare the effects of SSG-based interventions vs. running-based HIIT interventions on soccer players' sprinting time (ST), vertical height jump ... -
Strength Training to Prevent Falls in Older Adults: A Systematic Review with Meta-Analysis of Randomized Controlled Trials
(MDPI, 2021-07-31)We performed a systematic review with meta-analysis of randomized controlled trials (RCTs) to assess the effects of strength training (ST), as compared to alternative multimodal or unimodal exercise programs, on the number ... -
Nonlocal self-organization of a dissipative system
(AMER PHYSICAL SOC, 2021-01-01)We study the self-organization process induced by a nonlocal critical field, in analogy with the electric field that is derived from the global spatial profile of electric charge density during a discharge. In this nontrivial ... -
Stable and unstable trajectories in a dipolar chain
(AMER PHYSICAL SOC, 2021-05-27)In classical mechanics, solutions can be classified according to their stability. Each of them is part of the possible trajectories of the system. However, the signatures of unstable solutions are hard to observe in an ... -
Non-coding RNAs and chromatin: key epigenetic factors from spermatogenesis to transgenerational inheritance
(Chile. Universidad Mayor, 2021-12-28)Cellular fate and gene expression patterns are modulated by different epigenetic factors including non-coding RNAs (ncRNAs) and chromatin organization. Both factors are dynamic throughout male germ cell differentiation on ... -
Efficient ground state cooling of a membrane by the combination of continuous-wave field and pulses
(IOP Publishing Ltd, 2021-05-28)We present an approach that realizes the ground state cooling of the membrane-in-middle optomechanical system. Instead of straightforwardly using the continuous-wave (CW) or pulsed external drives, we consider the combinations ... -
Gingival Crevicular Placental Alkaline Phosphatase Is an Early Pregnancy Biomarker for Pre-Eclampsia
(MDPI, 2021-05-13)Early and innovative diagnostic strategies are required to predict the risk of developing pre-eclampsia (PE). The purpose of this study was to evaluate the performance of gingival crevicular fluid (GCF) placental alkaline ... -
Home-based exercise programmes improve physical fitness of healthy older adults: A PRISMA-compliant systematic review and meta-analysis with relevance for COVID-19
(ELSEVIER IRELAND LTD, 2021-04-19)This systematic review and meta-analysis aimed to examine the effects of home-based exercise programmes on measures of physical-fitness in healthy older adults. Seventeen randomized-controlled trials were included with a ... -
The Effects of Combined Balance and Complex Training Versus Complex Training Only on Measures of Physical Fitness in Young Female Handball Players
(HUMAN KINETICS PUBL INC, 2021-10-03)Purpose: To examine the effects of balance exercises conducted prior to complex training (bCT) versus complex training (CT) only on measures of physical fitness in young female elite handball players. Methods: Participants ... -
Hypertension in Prenatally Undernourished Young-Adult Rats Is Maintained by Tonic Reciprocal Paraventricular-Coerulear Excitatory Interactions
(MDPI, 2021-07-05)Prenatally malnourished rats develop hypertension in adulthood, in part through increased alpha(1)-adrenoceptor-mediated outflow from the paraventricular nucleus (PVN) to the sympathetic system. We studied whether both ... -
Environmental and Psychosocial Barriers Affect the Active Commuting to University in Chilean Students
(MDPI, 2021-03-14)Biking and walking are active commuting, which is considered an opportunity to create healthy habits. Objective: The purpose of this study was to determine the main environmental and psychosocial barriers perceived by ... -
Levels of low-molecular-weight hyaluronan in periodontitis-treated patients and its immunostimulatory effects on CD4+ T lymphocytes
(SPRINGER HEIDELBERG, 2021-02-26)Objectives During periodontitis, chronic inflammation triggers soft tissue breakdown, and hyaluronan is degraded into fragments of low molecular weight (LMW-HA). This investigation aimed to elucidate whether LMW-HA fragments ...