Associations between physical activity and comorbidities in people with COPD residing in Spain: A cross-sectional analysis

There is a high prevalence of comorbidities among patients with chronic obstructive pulmonary disease (COPD). Comorbidities are likely common in patients with any COPD degree and are associated with increased mortality. The aim of this study was to determine the prevalence of thirty-one different COPD comorbidities and to evaluate the association between physical activity (PA) levels in people with COPD residing in Spain. Cross-sectional data from the Spanish National Health Survey 2017 were analysed. A total of 601 adults (52.2% females) with COPD aged 15 to 69 participated in this study. PA (exposure) was measured with the International Physical Activity Questionnaire (IPAQ) short form and comorbidities (outcomes) were self-reported in response to the question “Have you ever been diagnosed with…?” Multivariable logistic regression, in three different models, was used to assess this association. Results showed a high prevalence of comorbidities (94%), these being chronic lumbar back pain (38.9%), chronic allergy (34.8%), arthrosis (34.1%), chronic cervical back pain (33.3%), asthma (32.9%) and hypertension (32.8%) the most prevalent. Low PA level was significantly associated with urinary incontinence (2.115[1.213–3.689]), chronic constipation (1.970[1.119–3.459]), cataracts (1.840[1.074–3.153]), chronic anxiety (1.508[1.002–2.269]) and chronic lumbar back pain (1.489[1.044–2.125]). Therefore, people with COPD should increase their PA levels in order to reduce their risk of comorbidities and increase their quality of life

EFECTOS DE UN PROGRAMA DE ACTIVIDAD FÍSICA EN LA FRECUENCIA CARDIACA, TENSIÓN ARTERIAL Y SATURACIÓN DE OXÍGENO DE ESCOLARES CON TDAH

Este artículo se centra en estudiar los efectos de un programa de actividad física sobre la frecuencia cardiaca, tensión arterial y saturación de oxígeno de un grupo de escolares con TDAH. MÉTODO: Han participado 12 escolares (12 niños), entre los 7 y los 12 años de edad. La frecuencia cardiaca y tensión arterial se midieron con tensiómetro de brazo Visomat Comfort 20/40 y la saturación de oxígeno con pulsioxímetro de dedo OXYM2001. El procedimiento ha sido: pre-test, intervención y pos-test. La intervención ha consistido en 2 días a la semana de actividad física, 60 minutos al día, durante 12 semanas. RESULTADOS Y DISCUSIÓN: Se han encontrado mejoras significativas en la frecuencia cardiaca tras ejercicio (p=0,029). CONCLUSIONES: El programa utilizado es eficaz para mejorar la frecuencia cardiaca tras ejercicio de niños con TDAH

DENDROID: A text mining approach to analyzing and classifying code structures in Android malware families

The rapid proliferation of smartphones over the last few years has come hand in hand with and impressive growth in the number and sophistication of malicious apps targetting smartphone users. The availability of reuse-oriented development methodologies and automated malware production tools makes exceedingly easy to produce new specimens. As a result, market operators and malware analysts are increasingly overwhelmed by the amount of newly discovered samples that must be analyzed. This situation has stimulated research in intelligent instruments to automate parts of the malware analysis process. In this paper, we introduce DENDROID, a system based on text mining and information retrieval techniques for this task. Our approach is motivated by a statistical analysis of the code structures found in a dataset of ANDROID OS malware families, which reveals some parallelisms with classical problems in those domains. We then adapt the standard Vector Space Model and reformulate the modelling process followed in text mining applications. This enables us to measure similarity between malware samples, which is then used to automatically classify them into families. We also investigate the application of hierarchical clustering over the feature vectors obtained for each malware family. The resulting dendo-grams resemble the so-called phylogenetic trees for biological species, allowing us to conjecture about evolutionary relationships among families. Our experimental results suggest that the approach is remarkably accurate and deals efficiently with large databases of malware instances.Publicad

Efectos de un programa de actividad física en la condición física de escolares con TDAH

INTRODUCTION: This paper focuses on studying the effects of a physical activity program on physical fitness of a group of schoolchildren with ADHD.METHOD: This investigation involved 12 students (12 boys), aged between 7 and 12 years. The physical fitness was measured by hand dynamometry, horizontal jump and Course-Navette. The procedure was as follows: pre-test, intervention and post-test. The intervention consisted of 2 days per week of physical activity, 60 minutes per day, during 12 weeks. RESULTS AND DISCUSSION:  There have been significant improvements in physical fitness [musculoskeletal capacity of the lower limbs (p = 0.037) and aerobic capacity (p =0.011)].CONCLUSIONS: The program used is effective to improve the physical fitness of children with ADHD.Este artículo se centra en estudiar los efectos de un programa de actividad física sobre la condición física de un grupo de escolares con TDAH.MÉTODO: Han participado 12 escolares (12 niños), entre los 7 y los 12 años de edad. La condición física se ha medido mediante dinamometría manual, salto horizontal y Course-Navette. El procedimiento ha sido: pre-test, intervención y pos-test. La intervención ha consistido en 2 días a la semana de actividad física, 60 minutos al día, durante 12 semanas. RESULTADOS Y DISCUSIÓN: Se han producido mejoras significativas en condición física [capacidad músculo-esquelética del tren inferior (p=0.037) y capacidad aeróbica (p=0,011)]. CONCLUSIONES: El programa utilizado es eficaz para mejorar la condición física de niños con TDAH

Manipulador aéreo con brazos antropomórficos de articulaciones flexibles

Este artículo presenta el primer robot manipulador aéreo con dos brazos antropomórficos diseñado para aplicarse en tareas de inspección y mantenimiento en entornos industriales de difícil acceso para operarios humanos. El robot consiste en una plataforma aérea multirrotor equipada con dos brazos antropomórficos ultraligeros, así como el sistema de control integrado de la plataforma y los brazos. Una de las principales características del manipulador es la flexibilidad mecánica proporcionada en todas las articulaciones, lo que aumenta la seguridad en las interacciones físicas con el entorno y la protección del propio robot. Para ello se ha introducido un compacto y simple mecanismo de transmisión por muelle entre el eje del servo y el enlace de salida. La estructura en aluminio de los brazos ha sido cuidadosamente diseñada de forma que los actuadores estén aislados frente a cargas radiales y axiales que los puedan dañar. El manipulador desarrollado ha sido validado a través de experimentos en base fija y en pruebas de vuelo en exteriores.MINECO Retos AEROMAIN DPI2014-5983-C2-1- RMINECO proyecto AEROARMS (AErial RObotic system integrating multiple ARMS and advanced manipulation capabilities for inspection and maintenance), contrato 644271Ministerio de Educación, Cultura y Deporte (España) programa FP

Suelos de las terrazas cuaternarias del curso medio del Río Guadalete (Arcos de la Frontera, Cádiz)

El curso medio del río Guadalete, a su paso por Arcos de la Frontera (Cádiz) presenta un sistema de terrazas cuaternarias (Pleistoceno y Holoceno) que se corresponden con distintos niveles de encajamiento de la red fluvial. De modo genérico, es posible diferenciar hasta 4 niveles de terrazas más el actual. En el presente trabajo se aborda el estudio de los procesos edafogenéticos que actúan sobre las terrazas más recientes asociadas al río Guadalete (3ª, 4ª y actual) y al Majaceite (4ª), que se une al primero aguas abajo del embalse de Arcos. El material original de los suelos que se forman sobre dichas terrazas está constituido principalmente por gravas y arenas, que reciben aportes carbonatados procedentes de las rocas calcáreas (margas y margocalizas) que las rodean. La principal consecuencia de estos aportes es la presencia de horizontes de diagnóstico cálcicos en el suelo. Los procesos de lavado se manifiestan tanto como acumulación de nódulos de CO3Ca como de horizontes de acumulación de arcilla (Bt).The middle course of Guadalete river, near Arcos de la Frontera (Cadiz) shows a system of quaternary terraces (Pleistocene and Holocene), which belong to different levels of the fluvial net. It is possible to see until 5 terrace levels including the actual one. In this paper, we study the pedogenetic processes acting in the more recent terraces linked to Guadalete river (3rd, 4th and actual) and Majaceite river (4th), that joins to the first after A r c o s r e s e r v o i r. The parent material of soils formed on such terraces is mainly constitued by graves and sand, wich receive calcareous sediments from marls and limic marls all around. The first consequence of this is the ocurrence of calcic diagnostic horizons in the soils. Lixiviation can be appreciated either the presence of CO3Ca nodules or arg i c diagnostic horizons (Bt

Secure publish-subscribe protocols for heterogeneous medical wireless body area networks

Security and privacy issues in medical wireless body area networks (WBANs) constitute a major unsolved concern because of the challenges posed by the scarcity of resources in WBAN devices and the usability restrictions imposed by the healthcare domain. In this paper, we describe a WBAN architecture based on the well-known publish-subscribe paradigm. We present two protocols for publishing data and sending commands to a sensor that guarantee confidentiality and fine-grained access control. Both protocols are based on a recently proposed ciphertext policy attribute-based encryption (CP-ABE) scheme that is lightweight enough to be embedded into wearable sensors. We show how sensors can implement lattice-based access control (LBAC) policies using this scheme, which are highly appropriate for the eHealth domain. We report experimental results with a prototype implementation demonstrating the suitability of our proposed solution.This work was supported by the MINECO grant TIN2013-46469-R (SPINY: Security and Privacy in the Internet of You)

Reconceptualising workplace resilience - A cross-disciplinary perspective

Stressful situations, performance pressure, and setbacks are part of contemporary organizational life. The dynamic nature of technological advances and globalisation of business leads to tougher competitive pressures and constant change. People‘s responses to these challenging circumstances vary widely. Some bounce back and adapt to increasing challenges and adversity, others‘ healthy functioning is significantly impaired. Even though resilience is recognised as a crucial issue in the workplace, the rates of new cases of work-related stress and depression have remained broadly flat for more than 10 years. Resilience research within Applied Psychology typically focuses on the psychological domain of a person‘s functioning. This means that also resilience trainings or interventions focus on only one area. The present paper aims to build a comprehensive conceptualization of workplace resilience ultimately to assist in informing targeted intervention and in developing a model to move the research area forward as a whole. A cross-disciplinary understanding of and approach to individual resilience in the workplace would allow to better understand the mechanism of why some people bounce back from adverse events whereas others‘ well-being declines. We propose a resilience framework with antecedents considering psychological (cognitive and emotional) and physiological correlates (cardiovascular, gastrointestinal and metabolic)