Borneol is a bicyclic monoterpenoid alcohol commonly used in traditional Chinese and Indian medicine. It is extracted from the essential oil of various medicinal plants. It has antibacterial, analgesic, and anti-inflammatory action proven in studies that used oral and intraperitoneal applications of this monoterpene in mice. The current study was designed to develop a topical gel formulation containing the monoterpene borneol using carbopol as gel base and to evaluate its stability. The prepared formulation was subjected to physical characterization and physical-chemistry assessment. The gel was prepared from carbopol and 5% of borneol. The prepared gel was subjected to pharmacotechnical tests such as its pH, viscosity, conductivity, spreadability, centrifugation, and accelerated stability with freezing-thaw cycle. The borneol was successfully incorporated into the carbopol formulation. Borneol gel (BG5) showed good stability after eight months of its development and after 12 days in the freeze-thaw cycle, not showing statistical difference in pH value, conductivity, and viscosity before and after test. Furthermore, the formulation showed a good spreadability. Therefore, it was concluded that the formulation could be very promising alternative for the topical or transdermal treatment of skin diseases.
Health-Related Physical Fitness in Students from RESUMOO objetivo deste estudo foi analisar a aptidão física relacionada à saúde (AFRS) em escolares de Jequié, BA, Brasil. Para tanto, a AFRS de 182 meninos e 160 meninas (sete a 12 anos), escolares da rede pública de ensino, foi avaliada mediante a aplicação dos testes motores corrida/caminhada de nove minutos (indicador de resistência cardiorrespiratória), abdominal modificado em um minuto (indicador de força e resistência abdominal), sentar-e-alcançar (indicador de flexibilidade). O somatório das espessuras das dobras cutâneas tricipital e subescapular foi utilizado como indicador de gordura corporal. Os resultados encontrados indicaram maior prevalência de meninos e meninas abaixo (19% e 49%, respectivamente) do que acima (3% e 1%, respectivamente) dos critérios estabelecidos pela AAHPERD (1988) para indicadores de gordura corporal. Por outro lado, somente 51% dos meninos e 58% das meninas no sentar-e-alcançar; 11% e 7%, respectivamente, no abdominal modificado em um minuto, e 15% e 14%, respectivamente, na corrida/caminhada de nove minutos alcançaram os critérios estabelecidos. Portanto, os resultados sugerem que programas efetivos de intervenção parecem necessários para a promoção de mudanças no estado nutricional e na atividade física habitual de escolares de Jequié.Palavras-chave: aptidão física, desempenho motor, testes motores, adiposidade corporal, crianças. ABSTRACTThe aim of this study was to analyze the health-related physical fitness (HRPF) in students from Jequié, BA, Brazil. Therefore, the HRPF of 182 boys and 160 girls aged 7-12 years, students from public schools, was assessed by the application of 9-minute-run/walk (indicator of cardiorespiratory capacity), modified in one minute abdominal (indicator of abdominal strength and endurance), sit-and-reach (indicator of flexibility) motor tests. The sum of the triciptal and subscapular skinfolds thickness was used as indicator of body fat. The results found indicated higher prevalence of boys and girls below (19% and 49%, respectively) than above (3% and 1%, respectively) the criteria established by the AAHPERD (1988) for indicators of body fat. Conversely, only 51% of the boys and 58% of the girls in the sit-and-reach; 11% and 7%, respectively, in the modified in one minute abdominal; and 15% and 14%, respectively, in the 9-minute-run/walk reached the established criteria. Thus, the results suggest that effective intervention programs seem necessary for the promotion of alterations in the nutritional status as well as habitual physical activity of students from Jequié.Keywords: physical fitness, motor performance, motor tests, body adiposity, children. INTRODUÇÃOAtualmente, muitos estudos têm indicado que níveis satisfatórios de aptidão física relacionada à saúde podem favorecer a prevenção, manutenção e melhoria da capacidade funcional; reduzir a probabilidade do desenvolvimento de inúmeras disfunções de caráter crônico-degenerativas, tais como obesidade, diabetes, doenças cardiovasculares, hiper...
The aim of this study was to analyze the effect of two different methods (clustering and multi-sets) on resistance training on heart rate variability (HRV) in young adults. A total of 31 volunteers were randomly divided into three groups: clustering (GCL), multi-sets (GMS) and control group (CG). Group and time interaction was identified (F(3, 28) = 36.71, P < 0.01), with reduction in CG (P = 0.01) and increase in GCL (P = 0.01) and GMS (P = 0.01). It was concluded that both clustering and multi-sets enhanced HRV after 8 weeks of resistance training in trained young adult males.
The present study aimed to verify if blood pressure (BP) reactivity could be reduced through a previous single session of active playing when compared to sedentary leisure. Sixteen pre-pubertal healthy children participated in this study. After familiarization with procedures and anthropometric evaluation, participants performed three sessions in randomized order: (1) 30 min of traditional Brazilian games (PLAY); (2) 30 min of video game playing (DDR); and (3) 30 min of watching TV (TV). Each session lasted 80 min, being 10 min of rest; 30 min of intervention activity; and 40 min of recovery. After recovery, the Cold Pressor Test (CPT) was used for the assessment of acute cardiovascular reactivity. BP was recorded at 30 s and 1 min during the CPT. Analysis of variance showed post-exercise hypotension (PEH) only after PLAY, and that systolic and diastolic BP were significantly increased in all conditions during CPT. However, the magnitude of the CPT-induced BP response was significantly less in PLAY compared to DDR and TV. The PEH observed during recovery and the reduced BP response to CPT following playing traditional games may be due its higher cardiovascular and metabolic demand as was indicated by the increased heart rate, oxygen consumption, and BP. It was concluded that BP reactivity to stress may be reduced through a previous single session of traditional games and that PEH was recorded only after this exercise form. This benefit indicates a potential role of playing strategies for cardiovascular health in childhood.
RESUMOObjetivo: Analisar a relação entre aptidão cardiorrespiratória e indicadores de adiposidade corporal em adolescentes de ambos os sexos.Métodos: 78 sujeitos (45 rapazes e 33 moças) foram avaliados quanto à massa corporal, estatura e dobras cutâneas tricipital e subescapular. O índice de massa corpórea e a somatória das duas dobras cutâneas foram calculados. A aptidão cardiorrespiratória foi analisada pelo teste de vai-e-vem de 20 metros de vários estágios e a estimativa do consumo máximo de oxigênio foi analisada por uma equação específica. Para a comparação entre os grupos, foi empregado o teste de Mann-Whitney e, para verificar a relação entre a aptidão cardiorrespiratória e os indicadores de adiposidade corporal, utilizou-se o coeficiente de correlação de Spearman.Resultados: Os adolescentes com alta aptidão cardiorrespiratória apresentaram sistematicamente valores mais baixos de gordura corporal em relação a seus pares com baixa aptidão cardiorrespiratória (p<0,05), com diferenças variando entre 36 e 42% para os rapazes e entre 14 e 33% para as moças. Correlações negativas, moderadas e estatisticamente significativas foram verificadas entre os indicadores de aptidão cardiorrespiratória e de adiposidade corporal para ambos os sexos, com exceção do índice de massa corpórea.Conclusões: Os resultados sugerem que o aumento da adiposidade corporal pode influenciar negativamente a aptidão cardiorrespiratória em adolescentes de ambos os sexos.Palavras-chave: aptidão física; adiposidade; saúde do adolescente. ABSTRACTObjective: To analyze the relationship between cardiorespiratory fitness and indicators of body adiposity in adolescents of both genders.Methods: 78 subjects (45 boys and 33 girls) were evaluated for body mass, height and triceps and subscapular skinfold thickness. Body mass index and the sum of the two skinfolds thickness were determined. The cardiorespiratory fitness was determined by the maximal multistage 20 meters shuttle run test, and the estimate of maximal oxygen uptake was evaluated by a specific equation. Groups were compared by Mann-Whitney test. The Spearman correlation index was applied to verify the relationship between cardiorespiratory fitness and the indicators of body adiposity.Results: The adolescents with high cardiorespiratory fitness presented lower values of body fat than their peers with low cardiorespiratory fitness (p<0.05), with differences varying between 36 to 42% for boys and 14 to 33% for girls. Statistically significant negative and moderate correlations were noted between the indicators of cardiorespiratory fitness and the body adiposity for both genders, with the exception of body mass index.Conclusions: These results suggest that the body adiposity may have a negative influence on the cardiorespiratory fitness of adolescents of both genders.Endereço para correspondência:
Artigo originAl RESUMODiferentes equações antropométricas têm sido desenvolvidas e validadas para uso em populações distintas, a partir de modelos multicompartimentais. A absortometria radiológica de dupla energia (DEXA) é uma alternativa multicompartimental de avaliação da composição corporal, ainda pouco utilizada no Brasil para validação e desenvolvimento de equações antropométricas, sobretudo para predição da massa muscular (MM). Assim, o objetivo deste estudo foi validar equações antropométricas para estimativa da MM a partir da DEXA, em universitários brasileiros do sexo masculino. Para tanto, 131 adultos entre 18 e 36 anos (73,9 ± 9,7kg; 177,6 ± 6,4cm; MM = 32,1 ± 3,6kg) foram avaliados por meio da DEXA e de medidas antropométricas (massa corporal, estatura, circunferências e espessura de dobras cutâneas), e analisados mediante utilização de quatro equações preditivas da MM. Foram utilizadas as seguintes análises: estatística descritiva, procedimentos de validação cruzada e análise de concordância (CCI e Bland e Altman). , erro constante (-0,72), erro total (2,72) e d (-0,77) e boas concordâncias (moderada a alta) foi sugerida para utilização na amostra estudada. Novos estudos de validação são sugeridos em amostras diferentes, mediante o uso de DEXA como método de referência. Da mesma forma, sugere-se maior utilização de equações antropométricas para avaliação da MM, sobretudo para o monitoramento das alterações na massa muscular em relação aos processos de crescimento, desenvolvimento e envelhecimento e na avaliação do treinamento físico e esportivo.Palavras-chave: composição corporal, validação cruzada, DEXA, adultos. ABSTRACTDifferent anthropometric equations have been developed and cross-validated for its use in distinct populations through multicompartimentals models. Dual energy X-ray absorptiometry (DEXA) is a multicompartimental alternative for body composition assessment, however, in Brazil, this model still is not often used, especially for the analysis of the muscle mass (MM). Thus, the purpose of this study was to cross-validate anthropometric equations to estimate relative body fat and MM from DEXA, in young male Brazilian college students. For this, 131 young adults between 18 and 36 years (73,9 ± 9,7 kg; 177,6 ± 6,4 cm; MM = 32,1 ± 3,6 kg) had been evaluated by means of DEXA and anthropometric measures (body mass, stature, circumferences and skinfold thicknesses), been analyzed four equations for the calculation of the MM. The following analysis were applied: descriptive statistics, procedures of cross-validation and analysis of agreement (ICC and Bland and Altman). (-0,77) and the good agreements fond (from moderate to high). New cross-validation studies are suggested in different samples, using DEXA as the reference method, as well is suggested a greater utilization of anthropometric equations for the assessment of MM, for the following of MM changes in relation to the growth, development and aging process, and in the evaluation of the physical and sports training.
Este estudo objetivou identifi car o perfi l antropométrico e o desempenho motor de atletas de futsal masculino, pertencentes às equipes fi nalistas do campeonato paranaense da categoria adulto, chave ouro. Para tanto, coletou-se medidas antropométricas (massa corporal, estatura e espessura de dobras cutâneas) e de desempenho motor (testes abdominal modifi cado, shuttle run, corrida de 30 m e corrida de 40 s) de vinte e sete atletas (24,7 ± 6,4 anos; 73,6 ± 7,6 kg; 174,8 ± 6,6 cm), do sexo masculino. Para a análise dos dados, agrupou-se os atletas de acordo com a posição de jogo. Anova one-way foi empregada para as comparações entre os jogadores das diferentes posições, seguida pelo teste post hoc de Scheffé, com P < 0,05. Verifi cou-se diferença signifi cante entre os jogadores de diferentes posições de jogo nas variáveis: massa corporal (alas < goleiros, P < 0,01), estatura (alas < pivôs e goleiros, P < 0,01) e massa corporal magra (alas < goleiros, P < 0,01). Não foram observadas diferenças signifi cantes entre os jogadores das diferentes posições de jogo nas variáveis de desempenho motor. Os resultados encontrados no presente estudo sugerem que atletas de futsal apresentam, na maioria das variáveis analisadas, características antropométricas e de desempenho motor semelhantes entre as posições de jogo.Palavras-chave: Educação física; Treinamento; Antropometria; Aptidão física; Esportes; Exercício. ABSTRACTThe purpose of the present study was to identify the anthropometric and motor performance profi le of futsal (indoor soccer) athletes in the second and third-placed teams in the Parana state championships (Brazil). Anthropometric (body mass, stature and skinfolds thickness) and motor performance (modifi ed abdominal test, shuttle run, race of 30 m and 40 s) measures were obtained from twenty-seven male athletes (24.7 ± 6.4 years; 73.6 ± 7.6 kg; 174.8 ± 6.6 cm). For data analysis, athletes were grouped according to game positions. ANOVA one-way was used for comparisons between different positions, followed by Scheffé's post hoc test, with p < 0.05. Signifi cant differences were detected in body mass (midfi elder < goalkeeper, p < 0.01), stature (midfi elder < forward and goalkeeper, p < 0.01) and lean body mass (midfi elder < goalkeeper, p < 0.01). No signifi cant differences in motor performance were detected between the athletes studied. The results of this study show that futsal athletes playing in different positions exhibit similar anthropometric and motor performance, in the majority of variables.
Our results suggest that Cr supplementation can positively augment muscle hypertrophy in resistance-trained young adult men, particularly in the upper limbs.
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