The aim of this study was to evaluate the time course of the effects of far-infrared emitting fabric (FIR) on neuromuscular performance of knee extensor over 120 h and to investigate whether the use of FIR affects semen. This is a crossover, randomized, double-blind, and placebo-controlled trial split into neuromuscular and fertility assessments. Four (28.8 ± 4.7 years old) and six (29 ± 3.9 years old) healthy, resistance-trained males completed all neuromuscular and fertility assessments, respectively. In neuromuscular assessments, for five consecutive days, the participants underwent neuromuscular tests in an isokinetic dynamometer (maximal isometric voluntary contraction (MVC) and fatigue test) every 24 h in both conditions (FIR and Placebo). In fertility assessments, participants performed three semen collections: Baseline, FIR, and Placebo. FIR and Placebo collections were performed after five consecutive days of use of the pants. Conventional parameters and sperm DNA fragmentation were evaluated. In the FIR condition, the participants showed significant differences in total work at 96 h ( p < 0.001; Cohen’s d = 3.73), 120 h ( p = 0.01; Cohen’s d = 2.65), and pre-MVC at 120 h ( p = 0.02; Cohen’s d = 2.15) when compared to Placebo. FIR did not significantly ( p > 0.05) affect the conventional semen parameters or sperm DNA fragmentation compared to Baseline or Placebo. FIR improved the knee extensor neuromuscular performance of healthy resistance-trained individuals, with 112.4 ± 7.8 h accumulated, and did not affect their seminal parameters (conventional or sperm DNA fragmentation), with 113.1 ± 10.2 h accumulated.
O artigo tem por objetivo a apresentação de estudos de casos de obras para recuperação de construções históricas. As obras estudadas correspondem às antigas Casa do Estudante de Natal e Escola de Artes e Oficios de Natal, esta recém recuperada para integrar Campus do Instituto Federal de Educação, Ciência e Tecnologia do Rio Grande do Norte (Brasil). Comenta-se no trabalho sobre o emprego de materiais e técnicas, tradicionais e modernas, de intervenção para a recuperação da capacidade portante dos componentes estruturais das obras e para a recuperação dos aspectos funcionais dos sistemas construtivos das mesmas. A integridade estrutural associada à manutenção das características arquitetônicas originais das obras, foram consideradas como fatores fundamentais para a seleção de materiais e técnicas adequadas para a solução dos problemas identificados nos diagnósticos de manifestações patológicas, associados à ocorrência de danos em diversos componentes construtivos das obras em estudo. Os materiais e técnicas empregadas foram estudados em função da capacidade de restabelecer a adequada resistência aos elementos estruturais das construções históricas sem comprometer as características arquitetônicas originais das obras, mantendo-se intactos os atributos históricos das mesmas.
A emissão de infravermelho (IV) sobre a musculatura é uma estratégia eficiente para a melhora do desempenho físico. No entanto, os equipamentos convencionais para emissão de IV são dependentes de fonte elétrica e de pouca mobilidade dificultando seu uso em práticas esportivas reais. Tecidos contendo nanopartículas capazes de emitir IV podem ser a solução para a aplicação de IV no esporte. No entanto, seus possíveis efeitos foram pouquíssimo investigados. Esse estudo, utilizando um desenho randomizado, cruzado, duplo-cego e controlado por placebo, testa os efeitos do tecido emissor de IV longo sobre o desempenho de ciclistas. Demostramos que o uso do tecido resultou em redução no tempo de prova contrarrelógio de 4000m, sem alterar a temperatura do quadríceps. Contudo, nenhum dos mecanismos testados foram alterados, sugerindo outros fatores como responsáveis pelos benefícios do tecido IV.
Technological materials emitting infrared may exert positive physiological effects on skeletal muscle. Studies have shown that far-infrared (FIR) can increase availability of nitric oxide and calcium in cell culture, and delay fatigue during ex-vivo skeletal muscle contractions. However, FIR effects on muscle performance in humans are poorly studied. Here, using a double-blind, placebo-controlled, crossover design, we show that individuals in FIR condition had a higher maximun knee extensors torque before and after fatigue protocol and obtained higher values of total work in dynamic exercise. These findings demonstrate the ergogenic effect of FIR on neuromuscular performance in humans.
For the oncology patient in palliative care, talking about the process of death and dying can cause discomfort, because, in addition to insecurity about their future, it can awaken a negative feeling that influences the way the patient and his family deal with the situation imposed by illness. The aim of this study was to discuss the role of spirituality in coping with death in patients under palliative care. This is a descriptive, exploratory study with a qualitative approach carried out through a literature review. A search was carried out in the sources of concepts and principles: National Palliative Care Agency-ANCP and the National Cancer Institute-INCA, as well as research in Scientifc Eletronic Library Online (Scielo), in the databases, in the virtual health library (VHL) ) and Latin American in Health Sciences (LILACS) in the period from July to November 2019. One can experience spirituality even though conceptualizing it as atheism, as the search for spirituality does not necessarily mean a search for God. This demonstrates how spirituality has a particular and subjective character, without having to follow absolute truths imposed by religions. Ignoring the spiritual dimension makes the patient's approach incomplete because it puts the focus of care centered on the disease. It is concluded that the humanization of palliative care for cancer patients must go further, contemplating the patient's spiritual issues, since the concern and questions about death take on a greater proportion when physical symptoms are no longer a challenge to be addressed. overcome, but rather, the fear of the unknown before the prospect of death.
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