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The objective of the present research study is the development of a multifunctional textile structure to prevent the appearance of pressure ulcers. The concept of the overall structure was inspired by plant structures morphology, resulting in a 3D patchwork knitted fabric, specially designed according to the necessities of body segments, for a mattress overlay. To simulate the pressure that causes the occurrence of bedsores, compression tests were performed allowing the analysis of strain/stress behaviour, energy absorption and thickness variation under load. The results show the suitable behaviour of the textile structure developed to prevent pressure ulcers., The authors acknowledge the funding from Compete 2020 – Program Portugal2020 under the grant SENSEBED – 10422.

The present research aims to systematically review the determinants and reasons for swimming dropout. The systematic review was conducted through electronic searches on the Web of Knowledge and PsycInfo databases from 2 February to 29 July 2015, using the keywords dropout, withdrawal, motives, reasons, sport, framework-theories, motivation, swim*, review, attrition and compliance. Fifteen studies were found and six were fully reviewed and its data extracted and analysed. Most studies were undertaken in Canada and in the United States of America (USA), and one study was conducted in Spain. Most participants were female (65.74%), and the main reasons for dropout were 'conflicts with their trainers', 'other things to do', 'competence improvements' failure', 'parents, couples or trainers' pressure', 'lack of enjoyment' and 'get bored'. This review contributes to the present knowledge on the understanding of dropout in swimming. However, it is necessary to continue researching on this topic, validating measurement instruments and studying the motivational processes related to dropout and persistence.

The objective of this academic work is to present the evidences available in literature about the relation between physical activity and sleep in regards to individuals living with HIV/AIDS. The databases: Web of Science, PubMed/MEDLINE, Science direct, Bireme, Scopus and EBSCO, were used to identify four articles, published until September 2015 to be included in this systematic review. According to the analyzed studies, interventions with physical activity for persons living with HIV/AIDS were significantly associated with the quality of sleep, total sleep time, efficiency, decreased of number of awakenings during sleep and improvement of sleeping disorders (insomnia). Therefore, the results presented in this research paper makes evident that physical activity has a relation with the quality of sleep amongst this specific population group, causing benefits to the quality of life of the patients. Nonetheless, it has been noticed that there is a necessity for more research and investigation in regards to the topic presented. Resumen El objetivo de este trabajo es presentar las evidencias disponibles en la literatura sobre la relación entre la actividad física y el sueño en personas que viven con VIH/sida. Las bases de datos Web of Science, PubMed/MEDLINE, Science Direct, Bireme, Scopus y EBSCO, fueron utilizadas para identificar cuatro artículos publicados hasta septiembre de 2015, para su inclusión en esta revisión sistemática. Según los estudios analizados, las intervenciones basadas en actividad física, para personas que viven con el VIH/sida, se asocian significativamente con la calidad del sueño, el tiempo total del sueño, la eficiencia, la disminución de la fragmentación del sueño y mejoras en trastornos del sueño (insomnio). De esta manera, los resultados de este estudio evidencian que la actividad física está relacionada con la calidad del sueño de este grupo específico de población, generando beneficios en la calidad de vida de los pacientes. Aun así, se ha constatado la necesidad de realizar más investigaciones y estudios sobre el tema presentado. Resumo O objetivo deste trabalho é apresentar as evidências disponíveis na literatura sobre a relação entre atividade física e o sono de pessoas que vivem com HIV/AIDS. As bases de dados Web of Science, PubMed/MEDLINE, Science Direct, Bireme, Scopus e EBSCO, foram utilizadas para identificar quatro artigos, publicados até setembro de 2015, para a inclusão nesta revisão sistemática. De acordo com os estudos analisados, intervenções com atividade física para pessoas que vivem com HIV/AIDS associam-se significativamente com a qualidade do sono, tempo total do sono, eficiência, diminuição da fragmentação do sono e melhoras nos distúrbios do sono (insônia). Desta forma, os resultados do presente estudo evidenciam que a atividade física tem relação com o sono dessa população, gerando benefícios para a qualidade de vida dos pacientes. Ainda sim, percebe-se a necessidade de mais indagações e pesquisas acerca da temática apresentada.