This study aimed to evaluate the impact of strength training on bone mineral density (BMD) in individuals harboring HIV exhibiting lipodystrophy. The study included 20 subjects (16 men) aged 50.60 ± 6.40 years with reduced BMD, presenting positive serology for HIV, using highly active antiretroviral therapy, and performing no regular practice of physical exercise before being enrolled in the study. Bone mineral density levels were evaluated by dual-energy x-ray absorptiometry in the lumbar spine, femoral neck, and 1/3 radius, before and after 36 sessions (12 weeks) of strength training. Compared with pre-exercise period, the results showed increased BMD in lumbar spine (3.28%; p = 0.012), femoral neck (8.45%; p = 0.044), and 1/3 radius (5.41%; p = 0.035). This is the first study evaluating the impact of strength training in patients living with HIV and exhibiting lipodystrophy, showing an increased BMD in all the regions measured (lumbar spine, femoral neck, and 1/3 radius). This study showed the beneficial impact of the strength training on BMD increase in patients living with HIV as an effective and available approach to improve bone health.
The sample consisted of ten individuals of both sexes aged on average 49.30 ± 6.36 years, who are monitored in the Nutrition and Dyslipidemia outpatient clinic of the
O objetivo do presente estudo foi discutir e analisar as consequências enfrentadas no retorno há prática de atividade física do indivíduo acometido pela COVID-19. Realizou-se uma pesquisa descritiva com delineamento exploratório do tipo survey com 34 participantes, acometidos pela COVID-19 e com histórico prévio de treinamento físico. Os instrumentos de pesquisa foram construídos a partir de dois blocos independentes: a) caracterização dos participantes e; b) aplicação do SF-36. Os dados não apresentaram normalidade pelo teste de Shapiro-Wilk e homogeneidade pelo teste de Levene’s. Os resultados foram apresentados a partir de uma análise descritiva. O teste Qui quadrado mostrou associação significativa entre as variáveis fraqueza ou fadiga muscular e dispneia (p<0,05). Foi observado que os participantes, em especial as mulheres, relataram perda de desempenho. Por se tratar de uma condição de saúde pouco conhecida, análises mais aprofundadas devem ser realizadas para evidenciar as consequências do COVID-19, principalmente em estudos longitudinais.
©FUNPEC-RP www.funpecrp.com.br Genetics and Molecular Research 18 (3): gmr18227 W.R. Santos et al. 2 lipodystrophy was in sedentary men. More studies would be needed, using other markers, to allow precise use of genetic polymorphisms as a diagnostic parameter for lipodystrophy syndrome.
ResumoA introdução da terapia antirretroviral transformou a AIDS em uma doença crônica, com manifestações clínicas típicas da infecção e do uso dos antirretrovirais, que frequentemente vem acompanhadas de distúrbios psicológicos como a depressão e síndrome do pânico. Este estudo objetivou caracterizar a qualidade de vida de pessoas que vivem com HIV/AIDS, em uso da terapia antirretroviral. Foram investigadas 30 pessoas apresentando a infecção pelo HIV, de ambos os sexos e com idade média de 43,5 anos (± 4,38), através da aplicação do questionário SF-36. Das 30 pessoas, 21 responderam melhora na qualidade de vida após o diagnóstico da doença, destacando positivamente as variáveis de capacidade funcional (88,7), estado geral da saúde (83,7), saúde mental (81,3), vitalidade (78,4) e, em menor grau, a dor (69,4) e a limitação por aspectos físicos (72,8). Os resultados sugerem que o cuidado com a saúde após o diagnóstico da infecção pelo HIV
Este estudo investigou o efeito do treinamento pliométrico (TP) no salto vertical em atletas jovens de basquete. Participaram 39 atletas, divididos em dois grupos experimentais (masculino - GEM e feminino - GEF) e dois grupos controle (masculino - GCM e feminino - GCF). O aplicativo My Jump quantificou a altura do salto a partir do tempo de voo. Para análise dos dados utilizou-se anova de medidas repetidas, tamanho de efeito de Cohen (TE) e a inferência baseada na magnitude, com nível de significância (p≤ 0,05). Os resultados indicam que o GEM e GCM apresentaram melhoras significativas no countermovement jump (CMJ) e squart jump (SJ). O GEF e GCF apresentaram diferenças significativas no SJ com efeito de interação, no CMJ apenas o GEF apresentou melhoras com efeito de interação. No TE, o GEM apresentou maiores efeitos no CMJ e SJ quando comparado ao GCM, no GEF, o TE foi maior somente no CMJ em relação ao GCF. As respostas qualitativas mostraram que o TP é provavelmente benéfico no GEM, já no GEF, mostrou que é provavelmente benéfico no SJ e muito provavelmente benéfico no CMJ. Conclui-se que o TP promoveu efeitos positivos no GEM e GEF, tanto no CMJ quanto no SJ. Nos grupos controles, ambos obtiveram melhorias significativas no SJ, porém no CMJ, somente o GCM apresentou aumento. Ademais, os resultados foram maiores no GEM e GEF em comparação com o GCM e GCF. Assim, o TP é indicado para potencializar o salto vertical em atletas jovens de basquete.
Due to the high intensity of competitive sports, the anaerobic power is a very important physical capacity for most sports. However, the diverse surfaces were these sports may interfere in the performance of this capacity. In running-based sports, the Running Anaerobic Sprint Test – RAST is largely used to evaluate anaerobic power. Considering the specificity of each sport, it is suggested to apply this test on the surface that it is played. Thus, the aim of the present study is to analyze the performance of RAST on different surfaces. The sample was composed by 10 subjects, mean age 20.2 ± 0.9 years old, mean height 1.8 ± 0.1 meters, mean body weight 77.4 ± 15.9 kg, and practice time of 6.0 ± 2.0 years. RAST was conducted on three different surfaces (hard, grass and sand). The maximum and minimum power and the fatigue index were compared between the surfaces. The results indicate that maximum and minimum power were lower in sand when compared to grass and hard surfaces. However, the fatigue index did not change. So, we observed that the surface is an important factor in RAST performance.
The introduction of highly active antiretroviral therapy (HAART) was able to help to control viral condition in patients living with HIV/AIDS, diminishing virus concentration and increasing T CD4 + cells. However, adverse effects follow the treatment, like lipodystrophy syndrome, characterized by morphological changes in body fat distribution and changes serum lipids and glycides levels, increasing the risk for chronical diseases with cardiovascular effects. Thus, complimentary non-drug practices, as strength training, are essential to treat these patients, helping to improve their immunometabolic condition, leading to a better coping with the disease. The aim of this study was to investigate the influence of a 12-week strength training protocol on immunometabolic system of people living with HIV/AIDS. It is a quasi-experimental study, conducted on 20 patients (16 men), all living with HIV/AIDS using HAART. T CD4 + cell numbers, serum triglycerides, cholesterol (total and fractions) and glycemia were measured before and after training. The data underwent to descriptive statistics using a paired T test, with the significance level set at p <0.05.There was a significant increase of 15.4% (p=0.009) on T CD4 + cells and, although not statistically significant, reduction on glycemia, total cholesterol and triglycerides and increase on HDL-cholesterol fraction. So, it is suggested that strength training may be effective on immunometabolic condition of people living with HIV / AIDS, increasing T CD4+ cells and controlling serum levels of lipids and glycides.
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