Alternativas al entrenamiento tradicional para combatir la obesidad en escolares: entrenamiento concurrente polarizado

With this work we want to show another type of training different from the traditional recommendations that from the most influential organizations (ACSM-American College Sports Medicine, WHO-World Health Organization and AHA-American Heart Association) do to make the training more effective in light of the latest studies on Physical Activity (PA) and Health.The concurrent training (strength-resistance) combined with a work of polarized intensity (high and low) produces better results for the fight of obesity than the isolated work of both and submaximal intensities as it had been working in the most classic protocols.Con este trabajo queremos poner de manifiesto otro tipo de entrenamiento distinto a las recomendaciones tradicionales que desde las organizaciones más influyentes (ACSM-American Collegue Sport Medicine, WHO-World Health Organization y AHA-American Heart Association) hacen para que el entrenamiento sea más efectivo a la luz de los últimos estudios sobre Actividad Física (AF) y salud.El entrenamiento concurrente (fuerza-resistencia) unido con un trabajo de intensidad polarizada (alta y baja) produce mejores resultados para la lucha de la obesidad que el trabajo aislado de ambas y de intensidades submáximas como se venía trabajando en los protocolos más clásicos

Potential of a new strain of Bacillus amyloliquefaciens BUZ-14 as a biocontrol agent of postharvest fruit diseases

The biocontrol potential of the Bacillus amyloliquefaciens strain BUZ-14 was tested against the main postharvest diseases of orange, apple, grape and stone fruit. After characterizing the temperature and pH growth curves of strain BUZ-14, its in vitro antifungal activity was determined against Botrytis cinerea, Monilinia fructicola, M. laxa, Penicillium digitatum, P. expansum and P. italicum. Subsequently, in vivo activity was tested against these pathogens by treating fruit with cells, endospores and cell-free supernatants. The in vitro results showed that BUZ-14 inhibited the growth of all the pathogens tested corresponding to the least susceptible species, P. italicum, and the most susceptible, M. laxa. In vivo tests corroborated these results as most of the treatments decreased the incidence of brown rot in stone fruit from 100% to 0%, establishing 107 CFU mL-1 as the minimum inhibitory concentration. For the Penicillium species a preventive treatment inhibited P. digitatum and P. italicum growth in oranges and reduced P. expansum incidence in apples from 100% to 20%. Finally, it has been demonstrated that BUZ-14 was able to survive and to control brown rot in peaches stored at cool temperatures, making it a very suitable biocontrol agent for application during the post-harvest storage and marketing of horticultural products

Experimental Test of a Two-dimensional Approximation for Dielectric Microcavities

Open dielectric resonators of different shapes are widely used for the manufacture of microlasers. A precise determination of their resonance frequencies and widths is crucial for their design. Most microlasers have a flat cylindrical geometry, and a two-dimensional approximation, the so-called method of the effective index of refraction, is commonly employed for numerical calculations. Our aim has been an experimental test of the precision and applicability of a model based on this approximation. We performed very thorough and accurate measurements of the resonance frequencies and widths of two passive circular dielectric microwave resonators and found significant deviations from the model predictions. From this we conclude that the model generally fails in the quantitative description of three-dimensional dielectric resonators.Comment: 10 pages, 13 figure

Casimir-Polder interaction of atoms with magnetodielectric bodies

A general theory of the Casimir-Polder interaction of single atoms with dispersing and absorbing magnetodielectric bodies is presented, which is based on QED in linear, causal media. Both ground-state and excited atoms are considered. Whereas the Casimir-Polder force acting on a ground-state atom can conveniently be derived from a perturbative calculation of the atom-field coupling energy, an atom in an excited state is subject to transient force components that can only be fully understood by a dynamical treatment based on the body-assisted vacuum Lorentz force. The results show that the Casimir-Polder force can be influenced by the body-induced broadening and shifting of atomic transitions - an effect that is not accounted for within lowest-order perturbation theory. The theory is used to study the Casimir-Polder force of a ground-state atom placed within a magnetodielectric multilayer system, with special emphasis on thick and thin plates as well as a planar cavity consisting of two thick plates. It is shown how the competing attractive and repulsive force components related to the electric and magnetic properties of the medium, respectively, can - for sufficiently strong magnetic properties - lead to the formation of potential walls and wells.Comment: 16 pages, 6 figures, minor additions and correction

Las TIC como herramientas didácticas para el profesorado de educación física en la formación reglada utilizando el modelo Flipped Classroom

ICTs are tools present in our life's areas, the rise of which has led to their introduction in the educational curriculum and in teaching as a key and indispensable part of it. Thanks to scientific advancement, performance measurement devices are becoming more frequent and easy to use by professionals in physical activity and sports. Therefore, the present work aims to make a didactic proposal based on the use of ICT as a methodological strategy and tool for assessing and implementing training programs within the curricular framework of the educational stage Professional Training of the Higher Technician in Physical Conditioning. This proposal will consist of seven sessions for the subject of "Assessment of the physical condition and intervention in accidents" where they will handle digital tools that favor developing their objectives and skills and integration into the professional market.Las TIC son una herramienta presente en todos los ámbitos de nuestra vida, cuyo auge ha provocado su introducción en el currículum educativo y en las enseñanzas como una pieza clave e indispensable del mismo. Gracias al avance científico, el uso de dispositivos para la medición del rendimiento es cada vez más frecuente y fácil de usar por parte de profesionales de la actividad física y del deporte. Por eso, el presente trabajo tiene como objetivo realizar una propuesta didáctica basada en el uso de las TIC como estrategia metodológica y herramienta para la valoración y realización de programas de entrenamiento dentro del marco curricular de la etapa educativa Formación Profesional del Técnico Superior en Acondicionamiento Físico. Esta propuesta estará compuesta por siete sesiones para la asignatura de “Valoración de la condición Física e intervención en accidentes” donde manejarán herramientas digitales que favorezcan el desarrollo de sus objetivos y competencias e integración en el mercado profesional

Selective Reflection Spectroscopy on the UV Third Resonance Line of Cs : Simultaneous Probing of a van der Waals Atom-Surface Interaction Sensitive to Far IR Couplings and of Interatomic Collisions

We report on the analysis of FM selective reflection experiments on the 6S1/2->8P3/2 transition of Cs at 388 nm, and on the measurement of the surface van der Waals interaction exerted by a sapphire interface on Cs(8P3/2). Various improvements in the systematic fitting of the experiments have permitted to supersede the major difficulty of a severe overlap of the hyperfine components, originating on the one hand in a relatively small natural structure, and on the other hand on a large pressure broadening imposed by the high atomic density needed for the observation of selective reflection on a weak transition. The strength of the van der Waals surface interaction is evaluated to be 73$\pm$10 kHz.$\mu$m3. An evaluation of the pressure shift of the transition is also provided as a by-product of the measurement. We finally discuss the significance of an apparent disagreement between the experimental measurement of the surface interaction, and the theoretical value calculated for an electromagnetic vacuum at a null temperature. The possible influence of the thermal excitation of the surface is evoked, because, the dominant contributions to the vW interaction for Cs(8P3/2) lie in the far infrared range.Comment: submitted to Laser Physics - issue in the memory of Herbert Walther

Doctor, how much weight will I lose? - a new individualized predictive model for weight loss

Bariatric surgery is an effective treatment for weight loss, but the patient’s ability to reach a sustained weight loss depends upon several technical and individual factors. Creating an easy model that adapts bariatric surgery’s weight loss goals for each patient is very important for pre-surgery and follow-up evaluations.info:eu-repo/semantics/publishedVersio