Sprint performance and mechanical outputs computed with an iPhone app: Comparison with existing reference methods

The purpose of this study was to assess validity and reliability of sprint performance outcomes measured with an iPhone application (named: MySprint) and existing field methods (i.e. timing photocells and radar gun). To do this, 12 highly trained male sprinters performed 6 maximal 40-m sprints during a single session which were simultaneously timed using 7 pairs of timing photocells, a radar gun and a newly developed iPhone app based on high-speed video recording. Several split times as well as mechanical outputs computed from the model proposed by Samozino et al. [(2015). A simple method for measuring power, force, velocity properties, and mechanical effectiveness in sprint running. Scandinavian Journal of Medicine & Science in Sports. https://doi.org/10.1111/sms.12490] were then measured by each system, and values were compared for validity and reliability purposes. First, there was an almost perfect correlation between the values of time for each split of the 40-m sprint measured with MySprint and the timing photocells (r = 0.989–0.999, standard error of estimate = 0.007–0.015 s, intraclass correlation coefficient (ICC) = 1.0). Second, almost perfect associations were observed for the maximal theoretical horizontal force (F0), the maximal theoretical velocity (V0), the maximal power (Pmax) and the mechanical effectiveness (DRF – decrease in the ratio of force over acceleration) measured with the app and the radar gun (r = 0.974–0.999, ICC = 0.987–1.00). Finally, when analysing the performance outputs of the six different sprints of each athlete, almost identical levels of reliability were observed as revealed by the coefficient of variation (MySprint: CV = 0.027–0.14%; reference systems: CV = 0.028–0.11%). Results on the present study showed that sprint performance can be evaluated in a valid and reliable way using a novel iPhone app.Actividad Física y Deport

Hodgkin disease of thymic origin

AbstractJ Thorac Cardiovasc Surg 2002;123:1208-1

A method for the inline measurement of milk gel firmness using an optical sensor

At present, selection of cutting time during cheesemaking is made based on subjective methods, which has effects on product homogeneity and has prevented complete automation of cheesemaking. In this work, a new method for inline monitoring of curd firmness is presented. The method consisted of developing a model that correlates the backscatter ratio of near infrared light during milk coagulation with the rheological storage modulus. The model was developed through a factorial design with 2 factors: protein concentration (3.4 and 5.1%) and coagulation temperature (30 and 40°C). Each treatment was replicated 3 times; the model was calibrated with the first replicate and validated using the remaining 2 replicates. The coagulation process was simultaneously monitored using an optical sensor and small-amplitude oscillatory rheology. The model was calibrated and successfully validated at the different protein concentrations and coagulation temperatures studied, predicting the evolution of storage modulus during milk coagulation with coefficient of determination values >0.998 and standard error of prediction values <3.4 Pa. The results demonstrated that the proposed method allows inline monitoring of curd firming in cheesemaking and cutting the curd at a proper firmness to each type of cheese

Developing an optical backscatter method for determining casein micelle particle size in heated milk

Altres ajuts: Acord transformatiu CRUE-CSICA plethora of different factors, such as heat treatment, pH, soluble calcium and phosphate concentrations, colloidal calcium phosphate, ionic strength, redox potential, etc., affect functionally of critical milk components such as casein micelles, fat globules and whey proteins. These physicochemical changes induce fat- or protein-protein interactions that would be associated to changes in particle size that might be revealed using light backscatter measurements. We hypothesized that inline, simple, low-cost light backscatter measurements might have the potential to provide functionally related information, representing an interesting opportunity for process control. Casein micelle particle size and near infrared light backscatter spectra were measured in milks heat treated at 80 and 90 °C and pH 6.3, 6.7 and 7.1 in order to obtain prediction models for estimating changes in casein micelle particle size during milk heat treatment. Light intensity was measured over a spectral range of 200-1100 nm using a simple optical backscatter sensor and was implemented into models for particle size predictions as a function of heat treatment temperature and pH. Models which included an exponential factor containing a ratio of two specific wavebands were found to improve R when compared to single wavelength models. The best model exhibited an R of 0.993 and SEP of 2.36 nm. The developed prediction models show promise for in-line monitoring of whey protein denaturation and casein micelle particle size

Intraductal Papillary Mucinous Neoplasms of the Pancreas: Challenges and New Insights

Cystic lesions of the pancreas are a common entity with almost a 25% incidence of the general population. These types of lesions are being increasingly diagnosed partly explained due to the technological advances over the past years. The management and treatment varies per cyst type. However, the most threatening cyst lesions are intraductal papillary mucinous neoplasms (IPMNs). These lesions represent nowadays a relatively new clinical entity and in many aspects remain poorly understood. The aim of this chapter is to provide a comprehensive review of the classification, diagnosis, treatment and follow-up strategy

González Moreno and the Mediterranean in the Archconfraternity of the Blood of Murcia

Tras la Guerra Civil y ante necesidad de recuperar el patrimonio religioso perdido, surgen en Murcia varios escultores que optan por un lenguaje novedoso dentro de lo que una expresión tan tradicionalista como la imaginería puede permitir, destacando la figura de Juan González Moreno y sus obras para las cofradías de Semana Santa. En este artículo exponemos dos de sus grandes creaciones de la década de los cincuenta, punto culminante de su carrera, para la antigua Archicofradía de la Sangre de Murcia, teniendo presente las distintas fuentes bibliográficas sobre este particular, así como la documentación encontrada en el archivo de la Archicofradía para un efectivo análisis de la inserción de un dialéctica que, a sus cualidades insertas en el clasicismo, aporta grandes dosis de modernidad.After the Civil War and in the face of the need to recover the lost religious heritage, several sculptors emerged in Murcia who opted for a novel language within what an expression as traditionalist as imagery can allow, highlighting the figure of Juan González Moreno and his works for the brotherhoods of Holy Week. In this article we present two of his great creations from the fifties, the culminating point of his career, for the former Archconfraternity of the Blood of Murcia, bearing in mind the different bibliographic sources on this subject, as well as the documentation found in the archive of the Arch Confraternity for an effective analysis of the insertion of a dialectic that, to its qualities inserted in classicism, contributes large doses of modernity

De Ovidio a Sor Juana Inés de la Cruz: el tímido monarca Acteón en "Primero sueño"

In this paper we focus on the mention of the deer in the poem Primero sueño, where we fly with the soul in the search for some knowledge throughout 975 verses. This is a significant example of Classical Reception in Mexican Baroque, as we have to know a variety of information about Ancient World, in order to undertand the poem. Soror Juana Inés de la Cruz dedicates a few verses to the deer, identifying it with mythical hunter Actaeon: former monarch, now a feeble animal wich sleeps aflutter. We analyse the sources of the Actaeon myth and the deer symbol. We delve into the main mythographic source for Primero sueño: Ovidius’ Metamorphoses. We define which are the characteristics of the deer and the myth that are developed by the author regarding the poem’s context. In addition, we examine the naming of Actaeon as a monarch.En este artículo estudiamos la mención al ciervo en el poema Primero sueño, en el que acompañamos al alma en su vuelo en busca de conocimiento. Éste es un ejemplo señalado de la recepción de la cultura clásica en el Barroco mexicano, debido a las numerosas referencias al mundo antiguo que debemos conocer para conseguir la comprensión del poema. Sor Juana Inés de la Cruz dedica unos versos al ciervo, identificándolo con el mítico cazador Acteón: antes monarca, ahora miedoso animal que duerme intranquilo. Analizamos las fuentes del mito de Acteón y del símbolo del ciervo y profundizamos en el intertexto principal de la recepción de la mitografía en Primero sueño, las Metamorfosis de Ovidio. Determinamos cuáles son las características del ciervo y del mito desarrolladas por la autora en relación con el contexto en el poema. Además, demostramos que la denominación de Acteón como “monarca” cobra sentido en el marco del texto

Mariano Benlliure Gil, the exponent of modernity in Malaga processional imagery after the destruction of May 1931

La caída del régimen monárquico y el advenimiento de la II República en 1931 no conllevó la paz social tan deseada en España, acrecentándose el enfrentamiento entre dos facciones diametralmente opuestas en su ideario: el nacionalcatolicismo y el anticlericalismo. Los terribles sucesos del mes de mayo de ese año provocaron la destrucción patrimonial más brutal hasta esa fecha, siendo Málaga una de las ciudades más afectadas. Las cofradías de Semana Santa se vieron en la necesidad de reponer todo sus enseres perdidos y ahí entra en juego la figura del escultor Mariano Benlliure Gil, que con sus obras del Nazareno del Paso y el Cristo de la Expiración configura un novedoso lenguaje en la imaginería religiosa del sur peninsular.The fall of the monarchical regime and the advent of the Second Republic in 1931 did not bring about the much desired social peace in Spain, increasing the confrontation between two factions diametrically opposed in their ideology: National Catholicism and anticlericalism. The terrible events of the month of May of that year caused the most brutal des-truction of heritage to that date, with Malaga being one of the most affected cities. The brotherhoods of Holy Week saw the need to replace all their lost belongings and that is where the figure of the sculptor Mariano Benlliure Gil comes into play, who with his works of the Nazarene of the step and the Christ of the Expiration configures a new language in imagery religious of the peninsular south

“Tejes la muerte, el canto”: palimpsestos homéricos en Ida Vitale

Estudiamos cómo Ida Vitale ha recibido a Homero en su obra. Para ello, a través de la imagen del palimpsesto, descubrimos cómo este referente se transparenta una y otra vez, y recorremos a través de los textos los diferentes caminos en los que se demuestra su relevancia, que abarcan desde la visión de Penélope hasta el acercamiento por la sonoridad o el humor, pasando por una tradición indirecta a través de la pintura. La multiplicidad de textos que demuestran la profundidad de la asimilación y las posibilidades de la misma y la falta de acercamientos previos a este tema justifican nuestra aportación

Estrés e inestabilidad laboral en un equipo de ventas

Una de las tareas más desafiantes para una empresa lo constituye el proceso de ventas. Parte de este proceso incluye cumplir con las metas y exigencias que la empresa requiere. Este proceso de venta conlleva a eventos que generan estrés y malestar en el equipo de trabajo, percibido por la inestabilidad laboral, propia de la dinámica actual del mercado. Se busca describir el nivel de estrés e inestabilidad laboral que presenta la muestra, que es no probabilística, de tipo intencional, y está conformada por 11 sujetos adultos varones, que trabajan como vendedores de planes de ahorro de vehículos de un concesionario, para poder obtener algunas sugerencias y por consiguiente optimizar el rendimiento y la productividad de los vendedores. En pro de estos objetivos se seleccionan los siguientes instrumentos de medición: Cuestionario de Estrés Laboral (Job Stress Survey; JSS) de Spielberger C. D Y Vagg P. R (2010) y el Inventario de Malestar Percibido en la Inestabilidad Laboral (IMPIL) de Leibovich de Figueroa N. y Schufer M. (2006). La investigación es de tipo cuantitativa, el estudio a realizar es de tipo descriptivo y el diseño que se va a aplicar es no experimental y, a su vez, transeccional descriptivo. Se concluye que aunque el equipo de ventas presenta cierto nivel de estrés, el mismo no es significativo, por el contrario, los vendedores presentan un alto nivel de malestar debido a la inestabilidad laboral.The Selling process represents one of the most challenging tasks for a company. Part of this process, includes carry out with the objectives and demands that the company requires. This selling process leads to several events that generate stress and some sense of unease, perceived by the job instability typical of the current market dynamic. It will be tried to describe the level of stress and job instability that shows the sample, which is not probabilistic of intentionally type and it is Constituted by 11 adult males, who work as salesmen in the car’s credits area of a dealership, in order to get a few suggestions and as a result optimize the salesmen’s performance and productivity. In order to achieve these objectives different scales were selected: the job stress survey (JSS) by the authors Spielberg C. D and Vagg P. R. and the perceived unease in the job instability inventory (IMPIL) by the authors Leibovich de Figueroa N. and Schufer M. (2006). The research is quantitative in type, the study is descriptive and the applied design is non-experimental and descriptive trans-sectional at the same time. In conclusion, although the selling team presents certain level of stress, this is not significant; on the other hand, the salesmen present a high level of unease due to the job instability.Fil: Zambudio, Andrea Natali