Universidad Manuela Beltrán

About: Universidad Manuela Beltrán is a education organization based out in Bogotá, Colombia. It is known for research contribution in the topics: Population & Body mass index. The organization has 690 authors who have published 611 publications receiving 2526 citations.

Cuestionario PAR-Q & YOU y antecedentes cardiovasculares frente a la práctica de la actividad física en adultos mayores en diálisis

Abstract: Introduction: During the last few years, physical activity has become a therapeutic tool and a protective mechanism for the elderly; it reduces cardiovascular risk in patients undergoing different types of dialysis and receiving palliative care. Objective: The aim of this study was to establish the inclusion criteria for a therapeutic physical activity program through the use of the PAR-Q & YOU Questionnaire with elderly patients treated with different types of hemodialysis, and to relate it with cardiovascular risk factors. Methods: Pearson's chi-squared test was used to determine the possible association among variables, considering the medical history and discomfort caused by physical activity against the results of PAR-Q & YOU. Binary logistic regression was used with the variables in the chi-squared test. Conclusions: Through logistic regression, we found that cardiovascular history was 10.44 times more significant to establish the relevance of the PAR-Q & YOU as a basic assessment instrument for the inclusion in a physical activity program which is part of a physiotherapy-led renal rehabilitation.

Impedance spectroscopy and structural properties of the perovskite-like Sn(Ba,Sr)O3 stagnate

Abstract: An exhaustive study of structural, electrical and transport properties on the perovskite stagnate Sn(Ba,Sr)O3 was performed. Samples of SnBa1−xSrxO3 with 0≤x≤1.00 were prepared by the solid state reaction method. The crystallographic structure was studied by X-ray diffraction experiments and Rietveld refinement using the GSAS code. Results reveal the material synthesized in a cubic structure (space group Pm3m, #221) for 0≤x≤0.50 and in an orthorhombic (space group Pnma, #62) for x>0.50. The approximate grain size was found from experiments' Scanning Electron Microscopy. The electric response was studied by the Impedance Spectroscopy technique from 10.0 mHz up to 0,10 MHz. Electric polarization measurements for SnSrO3 and SnBaO3 were determined through curves of polarization as a function of applied electric field, which reveal the ferroelectric character of the material. From the saturation polarization the dielectric constants of materials were calculated.

Núcleos problemáticos para la inclusión escolar de adolescentes en situación de discapacidad

Abstract: Resumen es: El presente articulo describe los nucleos problematicos encontrados en el contexto escolar de adolescentes en situacion de discapacidad en instituciones ...