Dahan da Cunha Nascimento

Catholic University of Brasília · Pós-Graduação em Educação Física

Why blood flow restriction cuff features are an important methodological consideration-a short commentary on "cerebral cortex activation and functional connectivity during low-load resistance training with blood flow restriction: an fNIRS study"

This study aimed to evaluate the intensity of posing training in male bodybuilders by comparing it to vigorous intensity parameters and examining the effects of stimulant usage and preparation phases. Specifically, this study compared posing training to established vigorous intensity benchmarks using metabolic equivalents (METs) and heart rate (HR)...

Before reading the article, we want to reiterate our desire to have an open and honest dialogue with Jia et al. (2024) regarding the content of their manuscript. We wrote this letter to the editor and Dr. Jeremy Loenneke, PhD – the editor for this publication - felt that this commentary was worthy of publication to begin the discussion surrounding...

A dor lombar pode ser definida como um desconforto, localizado abaixo da margem costal e acima da margem inferior das dobras glúteas com ou sem dor que irradia para as pernas e pode ser relacionado a gravidez. Na prática clínica, as mulheres são encorajadas a acreditar que essas condições temporárias de dor lombar são “queixas e dores normais de um...

Response to Clarkson editorial on the paper: Concerns about the application of resistance exercise with blood-flow restriction and thrombosis risk in hemodialysis patients.

Introduction: Aging is associated with a decrease in strength (dynapenia) and an increase in body fat. Both obesity and dynapenia negatively influence health in the oldest old. When these two variables coexist, called dynapenic obesity (DO), these further harms the older adult's health. Objective: To verify the influence of dynapenic obesity on inf...

Background Hemodialysis (HD) per se is a risk factor for thrombosis. Considering the growing body of evidence on blood-flow restriction (BFR) exercise in HD patients, identification of possible risk factors related to the prothrombotic agent D-dimer is required for the safety and feasibility of this training model. The aim of the present study was...

Null hypothesis significant testing (NHST) is the dominant statistical approach in the geriatric and rehabilitation fields. However, NHST is routinely misunderstood or misused. In this case, the findings from clinical trials would be taken as evidence of no effect, when in fact, a clinically relevant question may have a “non-significant” p-value. C...

Different lifestyle changes have been employed to improve clinical hypertension. However, there is scarce evidence on the blood pressure responsiveness to resistance training (RT) in hypertensive older adults. Consequently, little is known about some participants clinically reducing blood pressure and others not. Thus, we investigate the effects an...

Citation: Almeida, F.N.d.; Cunha Nascimento, D.d.; Moura, R.F.; Peixoto, D.L.; Moraes, W.M.A.M.d.; Schoenfeld, B.J.; Neto, I.V.d.S.; Prestes, J. Training, Pharmacological Ergogenic Aids, Dehydration, and Nutrition Strategies during a Peak Week in Competitive Brazilian Bodybuilders: An Observational Cross-Sectional Study in a Non-World Anti-Doping A...

O objetivo do estudo foi observar a relação da força de preensão manual (FPM) com a força muscular isocinética, a qualidade de vida, a ingestão calórica e a adiposidade em idosas sedentárias. Para tanto, foi recrutado 37 idosas sedentárias, entre 62 e 91 anos de idade, divididas em dois grupos: FPM ≥16 kg e (n=19) FPM <16 kg (n=18). A análise da co...

Background: the study determined the validity and reliability of measurements obtained using the portable traction dynamometer (PTD) (E-Lastic, E-Sports Solutions, Brazil) and the reproducibility between evaluators (precision) in the evaluation of the isometric muscle strength of the knee extensors of healthy male adults, compared to measurements...

Background: The muscle performance is associated with several health outcomes in adults, however modifiable and non-modifiable risk factors in octogenarians have not yet been fully investigated. The aim of this study was to analyze the potential risk factors that negatively affect muscle strength in octogenarians. Methods: This observational, de...

Objective: The muscle quality index (MQI) is associated with numerous health outcomes in adults; however, the effects of distinct MQI on functional capacity in obese older women have not yet been fully investigated. Thus, we investigated the contribution of different muscle quality indices on TUG performance prediction in obese older women. We sec...

Null hypothesis significant testing (NHST) is the dominant statistical approach in the geriatric and rehabilitation fields. However, NHST is routinely misunderstood or misused. In this case, the findings from clinical trials would be taken as evidence of no effect, when in fact, a clinically relevant question may have a "non-significant" p-value. C...

As lesões da articulação do ombro constituem a causa mais frequente de dor, caracterizando-se por dor na face ântero-lateral do ombro, a qual agrava com o movimento de abdução e rotação externa do ombro no ângulo 90º, também conhecido como posição de risco. Portanto, o conhecimento de testes que possam identificar lesões no ombro e facilitar a pres...

Introduction: Recommendations for time under blood flow restriction (BFR) during resistance training (RT) vary between 5 to 10 minutes, and beneficial effects on muscle mass and strength have already been reported. However, there exists the potential for longer times under restriction to produce greater acute activation of the exercise pressor refl...

The current manuscript reviews the literature on the health effects of resistance training (RT) for individuals with Down syndrome (DS), focusing on this training modality’s methodology, application, and safety. The literature has mentioned that early aging in this population is associated with loss of muscle strength, lower lean and bone mass, and...

A força de preensão manual (FPM) é considerada componente fundamental na análise da força muscular do público idoso. No entanto, dados que mostrem a sua relação com a força muscular global (FMG) ainda são inconclusivos. O objetivo do presente estudo foi investigar se a força de preensão manual relativa (FPMR) é representativa da FMG em idosas. Part...

Background: Hemodynamic responses to physical training are not homogenous and uniform, and considerable inter-individual variations in the blood pressure of hypertensive individuals are noted in both aerobic and resistance training protocols. In this context, this study aimed to evaluate the effects of resistance and aerobic exercise on the blood...

Background Low muscle quality index (MQI) is a potential risk of developing functional impairments in older people. However, considering that individuals with Down syndrome (DS) present with a faster decline in biological aging, an investigation on MQI in individuals with DS is necessary. The aims of this present cross-sectional study were to compa...

Background: Low muscle quality index (MQI) is a potential risk of developing functional impairments in older people. However, considering that individuals with Down syndrome (DS) present with a faster decline in biological aging, an investigation on MQI in individuals with DS is necessary. The aims of this present cross-sectional study were to com...

Objectives To determine if anthropometric variables, body composition, medication and gender are associated with functional performance and to compare these variables between octogenarians with high and low functional performance. Methods Observational, cross-sectional study. Weight, height, body mass index (BMI), waist circumference (WC), and wai...

Combining blood flow restriction (BFR) with exercise is considered a relevant, helpful method in load-compromised individuals and a viable replacement for traditional heavy-load strength training. BFR exercise may be particularly useful for those unable to withstand high mechanical stresses on joints resulting in skeletal muscle dysfunction, such a...

This study aimed to evaluate the time course and responsiveness of plasma interleukin-6 (IL-6) and creatine kinase (CK) levels following acute eccentric resistance exercise in sedentary obese older women with a different muscle quality index (MQI). Eighty-eight participants (69.4 ± 6.06 years) completed an acute eccentric resistance exercise (7 set...

Blood flow restriction training (BFRT) is a modality with growing interest in the last decade and has been recognized as a critical tool in rehabilitation medicine, athletic and clinical populations. Besides its potential for positive benefits, BFRT has the capability to induce adverse responses. BFRT may evoke increased blood pressure, abnormal ca...

Objective: The purpose of this study was to determine the effects of mat Pilates (MP) versus MP plus aerobic exercise (AE) compared with the effects of no intervention on ambulatory blood pressure (BP) in women with hypertension. Methods: This 3-arm, parallel-group randomized clinical trial assessed 60 women who had hypertension and were 30 to 5...

Este estudo teve como objetivo comparar as respostas cardiovasculares e de óxido nítrico (NO) à contração isométrica voluntária máxima (CIVM) com diferentes grupos musculares (leg press [LEP] e preensão manual isométrica [IHG]) de adolescentes com e sem síndrome de Down (SD). Alem de comparar a força IHG absoluta e relativa entre os grupos. Onze ad...

Background This study was designed to compare the cardiovascular and nitric oxide (NO) responses to maximal voluntary isometric contraction (MVIC) with different muscle groups (leg press [LEP] and isometric handgrip [IHG] exercise) of adolescents with Down syndrome (DS) and age-matched non-DS peers. We also aimed to compare the absolute and relativ...

Considering the negative impact of obesity on neuromuscular and immune systems, we sought to compare the effects of a 10-week resistance training (RT) program on muscle quality index (MQI), muscle strength, functional capacity, and immunoglobulins in older women with and without obesity. Thirty-nine older women participated in the present study (ag...

Background: Repeated measures analysis of covariance and three-way analysis of variance with repeated measures are common statistical methods. For a valid interpretation of blood pressure (BP) response to exercise, a variety of additional statistical methods must be implemented. Four additional statistical methods are presented: technical error of...

Muscle quality (the ratio of strength to lean muscle mass) might be a better indicator of muscle function than strength alone. Differences in muscle quality index (MQI) between octogenarians and young older adults remain unclear. The aims of the present cross-sectional study were to compare (1) MQI between octogenarians and young older adults, (2)...

Muscle quality (the ratio of strength to lean muscle mass) might be a better indicator of muscle function than strength alone. Differences in muscle quality index (MQI) between octogenarians and young older adults remain unclear. The aims of the present cross-sectional study were to compare (1) MQI between octogenarians and young older adults, (2)...

Objectives The aim of this study was to compare muscle quality (MQ) between octogenarians classified as non-fallers, fallers and recurrent fallers and identify confounding intrinsic and extrensic factors that impact likelihood for falls.DesignThis observational, descriptive, cross-sectional study included older adults (N=220) aged 80 years or older...

Purpose The purpose was to investigate an adapted pre-exercise screening tool to evaluate musculoskeletal injury in elderly women before starting a resistance training (RT) program, and to verify whether the tool could detect subjects not eligible for RT research on the basis of the RT program injury rate Methods Overall, 74 subjects participated...

Introduction Contrary to the production of oxidant and inflammation biomarkers, antioxidant enzymes decrease with age and the adaptive response to oxidative stress is reduced. The effects of the different resistance exercise protocols to attenuate these conditions are largely unexplored. Objective We compared the acute effects of traditional resis...

The objective of this study was to compare the effects of very high supervision (VHS-RT) versus high supervision (HS-RT) ratio resistance training (RT) on irisin, brain-derived neurotrophic factor (BNDF), muscle strength, functional capacity, and body composition in elderly women. Participants performed daily undulating periodized RT over 16 weeks...

Background: Osteoarthritis (OA) is a degenerative disease that induces peri-articular tissue degradation. OA induces an imbalance between synthesis and degradation of the extracellular matrix components in favor of catabolic events, promoting pathological remodeling and involving degradative enzymes, such as matrix metalloproteinases (MMPs). Obje...

The objective of this study was to compare the effects of very high supervision (VHS-RT) versus high supervision (HS-RT) ratio resistance training (RT) on Irisin, brain derived neurotrophic factor (BNDF), muscle strength, functional capacity, and body composition in elderly women. Participants performed daily undulating periodized RT over 16 weeks...

Blood flow restriction (BFR) exercise (a.k.a. occlusion training) has emerged as a viable surrogate to traditional heavy-load strength rehabilitation training for a broad range of clinical populations including elderly subjects and rehabilitating athletes. A particular benefit of BFR exercise is the lower stress upon the joints as compared to tradi...

Blood flow restriction (BFR) exercise is an effective approach for increasing muscle mass and muscle strength. However, it remains unclear if the magnitude of those positive adaptations will lead to similar responses for hemodynamic variables in hypertensive subjects. The present systematic review aimed to assess the effects of exercise with and wi...

Purpose: Relative handgrip strength (RHGS), Aged Based on Exercise Stress Testing (A-BEST), and chronological age were evaluated as predictors of impaired mobility in older women. Methods: Participants included 88 older women (mean age 68.13±6.02 years) referred for exercise stress testing. Estimated physiological age was computed based on exerc...

The main goal was to present statistical procedures for a better data interpretation of responsiveness, explain how to deal with RTM effect, and describe how to determine clinically important changes in BP from significant real difference (SRD). Twenty-seven hypertensive elderly women were included, and RT consisted of a periodized linear model. Th...

The purpose of this study was to assess if self-regulation of training intensity based on rating of perceived exertion (RPE) is a reliable method to control the intensity during metabolic conditioning sessions of functional fitness. In addition, the relationship between RPE and changes in heart rate, number of repetitions and lactate responses was...

The main goal was to present statistical procedures for a better data interpretation of responsiveness, explain how to deal with RTM effect, and describe how to determine clinically important changes in BP from significant real difference (SRD). Twenty-seven hypertensive elderly women were included, and RT consisted of a periodized linear model. Th...

Procedimentos de comparações múltiplas ou post hoc são fundamentais em pesquisas no âmbito na saúde, esporte, educação e lazer. No entanto, a escolha do teste mais adequado por praticantes de estatística na área das ciências da saúde ainda gera dúvidas. O teste utilizado deve promover proteção contra o erro do tipo I, considerar o número de compara...

Background Blood flow restriction (BFR) exercise has shown to induce a positive influence on bone metabolism and attenuate muscle strength loss and atrophy in subjects suffering from musculoskeletal weakness. Despite the known benefits of BFR exercise, it remains unclear whether or not the pressurization of blood vessels damages the endothelial cel...

We evaluated the negative effect of sarcopenic obesity (SO) on muscle strength, physical function and quality of life in obese elderly women using the appendicular lean mass (aLM) adjusted for BMI, and aLM adjusted for height and fat mass residuals approach. Participated fifty-eight obese elderly women aged 60 to 70 years separated by two groups (S...

Objective The objective of this study was to apply the newly standardized definition for sarcopenia from the Foundation for the National Institutes of Health (FNIH) and the current definition for obesity to 1) determine the prevalence of sarcopenic obesity (SO) in obese elderly women; 2) compare the muscle strength, lean body mass, and markers of i...

[This corrects the article DOI: 10.3389/fphys.2016.00260.].

Purpose The purpose of the present study was to identify the variability of blood pressure response to a 10-week resistance training (RT) program in hypertensive and normotensive elderly women. Participants and methods Twenty-seven untrained hypertensive and 12 normotensive elderly women participated in the present study. A whole-body RT program w...

Objectives The purpose of this study was to compare the effects of resistance training (RT) on body composition, muscle strength, and functional capacity in elderly women with and without sarcopenic obesity (SO). Methods A total of 49 women (aged ≥60 years) were divided in two groups: without SO (non-SO, n=41) and with SO (n=8). Both groups perfor...

The aim of the present study was to compare differences in heart rate response following a treadmill exercise test in elderly obese women categorized into groups based on relative handgrip strength. Eighty-eight obese elderly women who were between the ages of 60 and 87 participated in the study and were categorized and enrolled to one of two group...

In order to understand the effect of endurance running on inflammation, it is necessary to quantify the extent to which acute and chronic running affects inflammatory mediators. The aim of this study was to summarize the literature on the effects of endurance running on inflammation mediators. Electronic searches were conducted on PubMED and Scienc...

The aim of the present study was to compare differences in heart rate (HR) response during and following exercise in obese older women with different percent body fat levels. Ninety older, obese women aged 60-87 years participated in the study, were categorized, and enrolled to one of two groups based on a lower percent body fat (LPBF ≤ 41.10 %) or...

A hipertensão é uma doença complexa e multifatorial no qual fatores de risco como obesidade estão envolvidos. Cerca de 48% da população brasileira feminina já apresenta sobrepeso, sendo que a prevalência de excesso de peso acomete 58% da população com idade maior ou igual a 65 anos de idade. Deve-se considerar que a obesidade é um fator de risco pa...

Objective: Patients infected with the human immunodeficiency virus (HIV) have an increased risk of metabolic disorders and alterations on Irisin levels. Therefore, the purpose of the current investigation was to quantify the circulating Irisin concentration in HIV-infected subjects under highly active antiretroviral therapy and to determine possibl...

The purpose of the present study was to compare the longitudinal effects of six weeks of rest-pause versus traditional multiple-set RT on muscle strength, hypertrophy, localized muscular endurance, and body composition in trained subjects. Eighteen trained subjects (mean ± SD; age = 30.2 ± 6.6 years; weight = 74.8 ± 17.2 kg; height = 171.4 ± 10.3 c...

Objective The present study aimed to determine whether Irisin levels are correlated with body composition changes following 16 weeks of resistance training (RT) in older women with and without obesity. Design, Setting, Participants, Intervention We recruited 49 inactive women (n = 23, non-obese: < 41.0% and n = 26, obese: ≥ 41.0% of body fat) aged...

The aim of this study was to investigate the effects of different resistance training (RT) volume on MMP activity in skeletal muscle, visceral adipose tissue and in the circulation. Twenty-one Wistar rats were randomly divided into three groups (n=7 per group): sedentary control (SC); RT with four ladder climbs (RT-4; 50%, 75%, 90% and 100% of thei...

To evaluate muscle strength responsiveness and to determine whether interleukin-4 (IL-4), leptin and resistin would be affected by the individual pattern of response to a resistance training (RT) periodization program. Twenty-six elderly post-menopausal women participated in the present study (mean age = 62.57 ± 6.69 years and body mass index = 28....