Gisela Arsa

Federal University of Mato Grosso | UFMT · Departamento de Educação Física

Despite the growing evidence for the beneficial effects of high-intensity interval exercise (HIIE) on vascular health of overweight and obese individuals, it is not clear whether the autonomic stress promoted by HIIE during the ambulatory period is higher than that by moderate-intensity continuous exercise (MICE). Therefore, this study compares the...

Introduction: Activity breaks or physical exercise interventions in schools are linked to better cognitive function in adolescents. However, few studies have evaluated the relationship between physical exercise and cognition in rural schools, where drop-out levels tend to be higher and academic achievement lower. Objective: To analyze the effects o...

Purpose: To verify whether excess body mass influences 24-h ambulatory heart rate variability (HRV) after a moderate-intensity continuous exercise (MICE) session. Method: Participants included 27 non-trained young men that were divided into two groups, 1) normal-weight (n = 10) and 2) overweight and obese (n = 17). Participants underwent a single M...

Type 2 diabetes (T2D) main feature is insulin resistance. Hypertension is a comorbidity linked to T2D. Resistance exercise (RE) is an important non-pharmacological tool to contribute to managing blood glucose and blood pressure (BP), but there is not a common sense about acute effects. The aim of this study was to evaluate the acute physiological e...

O objetivo deste estudo foi avaliar a variabilidade da frequência cardíaca (VFC) após recuperação ativa de um exercício máximo em jovens não treinadas. Nove mulheres eutrófi cas (25,45 ± 5,41 anos; 22,23 ± 2,03 kg.m-2; 28,13 ± 5,0% de gordura corporal) foram avaliadas em repouso, exercício e na recuperação pós teste progressivo máximo em cicloergôm...

Increased oxidative stress has important molecular, structural, and functional muscle implications. In pathological conditions, reactive oxygen species (ROS) burst contributes to cellular dysfunction and the progression of muscle diseases. This special issue was designed to advance knowledge in the role of oxidative stress on muscle remodeling, in...

To analyze whether heart rate variability is reproducible after maximal exercise, 11 men (22.1±3.2 years) performed four incremental exercise tests followed by passive or active recovery. There was high reliability (intraclass coefficient correlation: 0.72-0.96) and fair-to-excellent agreement (coefficient of variation: 7.81-22.09%) in passive reco...

This study investigated the acute blood pressure (BP) effects of different exercise modalities in older adults with hypertension. Sixty volunteers were randomly assigned ( n = 15/group) into different exercise protocols: resistance, bike, water-based exercise (WE), and a control session—all for ∼45 min. Clinic BP measurements were taken before, imm...

Objective: To investigate the effects of a single session of moderate-intensity and high-intensity interval exercise in cardiovascular reactivity to the cold pressor test in young adults with excess body weight. Methods: Twenty-two subjects with excess body weight (23 ± 2 years; 30.0 ± 3.4 kg·m) performed three sessions: (1) moderate-intensity e...

Background The purpose of this study was to analyze whether cardiac autonomic modulation recovery at short-term after maximal incremental exercise test in young adults is influenced by the body mass index (BMI). Methods Forty-eight healthy untrained men (22.26 ± 3.08 years old) were evaluated; 18 were normal weight (NW: 21.89 ± 1.75 kg m⁻²), 11 we...

This study aimed to analyze both influence of aerobic fitness and active recovery in heart rate (HR) reduction after maximum exercise (i.e. maximum incremental test) in untrained young women. Seventeen women were evaluated (23.88 ± 4.85 years), divided by the medium of peak of consumption of oxygen (30.80 mL. kg-1. min-1), in higher or lower aerobi...

O objetivo deste estudo foi avaliar a variabilidade da frequência cardíaca (VFC) após recuperação ativa de um exercício máximo em jovens não treinadas. Nove mulheres eutrófi cas (25,45 ± 5,41 anos; 22,23 ± 2,03 kg.m-2; 28,13 ± 5,0% de gordura corporal) foram avaliadas em repouso, exercício e na recuperação pós teste progressivo máximo em cicloergôm...

Purpose: The aim of the current study was to evaluate the effects of a multidisciplinary intervention program on cardiovascular risk factors in obese women. Participated 33 obese women, classified by the body mass index-BMI ≥ 30kg/m². Material: The intervention program had a duration of the 12 weeks, and consisted of nutritional and psychological s...

BACKGROUND: Studies have shown the benefits of exercise, but few investigate the effects of resistance training methods on glucose and blood pressure behavior. The aim of the study was to analyze glycemic and blood pressure responses after different resistance exercise methods. METHODS: Eighteen young healthy men (23±1 years; 24±0.5 kg/m ² ) with e...

Purpose: To evaluate whether excess body mass influences the heart rate variability (HRV) indexes at rest, and to correlate adiposity indicators and the aerobic fitness with cardiac autonomic variables in metabolically healthy young adults. Method: In all, 41 untrained males (Mage = 21.80, SD = 2.14 years), 14 normal weight (MBMI = 22.28, SD = 1.86...

The aim of this study was to evaluate the reproducibility of the heart rate variability threshold (HRVT) by different HRV indexes and determination criteria. 68 untrained participants, 17 women (24.09±4.91 years old; 21.54±1.97 kg∙m−2) and 51 men (24.52±3.52 years old; 26.51±6.31 kg∙m−2), were evaluated on 2 different days (test and retest). The HR...

O objetivo do estudo foi verificar se uma sessão de exercício de curta duração e de intensidade moderada promove hipotensão pós-exercício (HPE) em adultos jovens com excesso de massa corporal e investigar possíveis prejuízos na reativação vagal no período de recuperação. Oito indivíduos eutróficos (22,81 ± 0,40 kg/m2) e nove com sobrepeso (29,01 ±...

This study compared maximum oxygen consumption (VO2max) on a 20-meter multistage shuttle run test (20-Srt) with a cardiopulmonary exercise test (CPET) to determine a VO2max prediction equation for a 20-Srt in children aged 6–10 years. Eighty healthy children performed the CPET on a treadmill, while the 20-Srt took place on a sports court. Heart rat...

O objetivo deste estudo foi analisar a variabilidade da frequência cardíaca (VFC) na recuperação ativa em jovens com diferentes índices de massa corporal (IMC) e associar as variáveis em repouso e recuperação. Dezoito jovens, eutróficos – E (22,36 ± 1,92 kg.m-2) e sobrepesos – S (29,71 ± 2,97 kg.m-2), foram avaliados. A frequência cardíaca (FC) e o...

The aim of this study was to determine whether oxidative stress markers are influenced by low-intensity laser therapy (LLLT) in rats subjected to a high-intensity resistive exercise session (RE). Female Wistar rats divided into three experimental groups (Ctr: control, 4J: LLLT, and RE) and subdivided based on the sampling times (instantly or 24 h p...

Respostas hemodinâmicas e reativação vagal pós-exercício aeróbio de curta duração em jovens com sobrepeso Resumo O objetivo do estudo foi verificar se uma sessão de exercício de curta duração e de intensidade moderada promove hipotensão pós-exercício (HPE) em adultos jovens com excesso de massa corporal e investigar possíveis prejuízos na reativaçã...

O ponto de inflexão da frequência cardíaca (PIFC) está associado ao limiar de lactato e de variabilidade da frequência cardíaca, e ocorre em uma faixa de predominância vagal da modulação autônoma cardíaca (FERREIRA et.al., 2014; CAMBRI et al., 2016). Além de ser um método não invasivo e menos dispendioso, a prescrição de exercícios a partir deste p...

Objective To compare ventilatory threshold (VT) and heart rate variability threshold (HRVT) in normal weight (NW: 22.75 ± 1.66 kg/m²), overweight (Ov: 27.03 ± 1.48) and obese (O: 33.26 ± 2.39) young people (21.46 ± 2.06 years old). Methods The HRVT was determined at the first intensity with a SD1 index (HRVTSD1) and RMSSD (HRVTRMSSD) lower than 3...

Background: Obesity triggers alterations in hemodynamic and autonomic control. There are few studies that investigate the effects of overweight and obesity in early adulthood on hemodynamic and autonomic variables. Aim: The aim of this study was to determine whether overweight and obesity in young individuals cause alterations in hemodynamic par...

The aim of this study was to analyze the acute responses of bradykinin, insulin, and glycemia to exercise performed above and below lactate threshold (LT) in individuals with type 2 diabetes mellitus (T2D). Eleven participants with a diagnosis of T2D randomly underwent three experimental sessions 72 h apart: 1) 20 min of exercise performed at 120%...

Background Obesity and aerobic fitness influence resting (HRrest) and heart rate recovery (HRR), and the evaluation of these parameters show a relevant clinical application. Purpose This study aimed to evaluate the influence of body mass index (BMI) and aerobic fitness on HRR after maximal exercise in healthy young men. Methods Twenty nine untraine...

Anaerobic threshold (AT) can be determined by heart rate variability (HRVT) and by heart rate inflection point (HRIP), which is associated with lactate and ventilatory thresholds. Thus, this study aimed to compare the HRVT and HRIP in normal weight (NW: 22.18 ± 1.90 kg m−2), overweight (Ov: 27.12 ± 1.39), and obese (O: 32.85 ± 2.40) young people (2...

Background: Aerobic exercise is recommended for glycemic and weight control in type 2 diabetes (T2D), but exercise intensity that increase post-exercise fat oxidation has not been established yet. It is expected that high-intensity exercise induce higher absolute oxidations and rates of oxidation of CHO (during) and fat (after) in normoglycemic, bu...

Background: Aerobic exercise is recommended for glycemic and weight control in type 2 diabetes (T2D), but exercise intensity that increase post-exercise fat oxidation has not been established yet. It is expected that high-intensity exercise induce higher absolute oxidations and rates of oxidation of CHO (during) and fat (after) in normoglycemic, bu...

One exercise training session such as walking, running and resistance can lead to a decrease in blood pressure in normotensive and hypertensive individuals, but few studies have investigated the effects of exercise training in an aquatic environment for overweight and obese hypertensive individuals. We aimed to assess the acute effects of a water a...

Introdução: O limiar anaeróbio é comumente identificado em exercícios cíclicos, contudo, também pode ser determinado no exercício resistido (ER) por diferentes métodos, e assim, estimar a carga de trabalho relacionada ao estresse metabólico. No entanto, sua identificação a partir de outros métodos como o modelo matemático da DMáx e principalmente p...

The aim of this study was to translate, adapt and validate the version of the Athletic Identity Measurement Scale (AIMS) for Brazilian Portuguese. The methodological procedures were conducted according to international recommendations: translation, back-translation, review by a board of experts, empirical fieldwork testing and inferential statistic...

This study aimed to assess the blood pressure (BP), cardiac autonomic modulation at rest, in physical exercise and in the recovery in untrained eutrophic (E) and overweight (O) youth. The body mass index (BMI), waist circumference (WC), systolic BP-SBP (E: 109.80 ± 10.05; O: 121.85 ± 6.98 mmHg) and diastolic BP - DBP (E: 65.90 ± 7.28; O: 73.14 ± 12...

Introduction Cardiac output increases during incremental-load exercise to meet metabolic skeletal muscle demand. This response requires a fast adjustment in heart rate and stroke volume. The heart rate is well known to increase linearly with exercise load; however, data for stroke volume during incremental-load exercise are unclear. Our objectives...

Introduction: The malocclusion can be defined as any change in the natural position of contact between the teeth and the arcades format that affects the morphofunctional architecture of the masticatory system of individuals affected by such condition. The aim of this study was to review the literature and to investigate the morphofunctional changes...

This study aimed to assess the blood pressure (BP), cardiac autonomic modulation at rest, in physical exercise and in the recovery in untrained eutrophic (E) and overweight (O) youth. The body mass index (BMI), waist circumference (WC), systolic BP-SBP (E: 109.80 ± 10.05; O: 121.85 ± 6.98 mmHg) and diastolic BP DBP (E: 65.90 ± 7.28; O: 73.14 ± 12.2...

Background Exercise is effective in reducing glycemia, especially when it is performed in the postprandial period. However, no consensus exists in the literature about the effect of exercise on postprandial glucose control when it is performed before carbohydrate consumption. Aims The main aim was to determine whether 20 min of exercise performed...

The aim of this study was to investigate the biological changes of the mandible bone tissue and the morphology of the masticatory muscles fibers of Wistar rats subjected to malocclusion. Forty-eight male rats (Wistar) were divided in the VD group subjected to bilateral increase of occlusal vertical dimension, MR group subjected to retrusive displac...

Markers of metabolic abnormalities are commonly found in rodents fed a fructose-rich diet. The purpose of this study was to determine whether the administration of a short-term standard diet to rats is able to improve the lipid profile altered by a fructose-rich diet. The male pups, immediately after birth, were divided in three groups according to...

Background: Malocclusion may present no symptoms but due to the increased of stress on oral structures and masticatory muscles can cause structural alterations. Forty-eight male rats (Wistar) were divided in the VD group subjected to bilateral increase of occlusal vertical dimension, MR group subjected to retrusive displacement of the mandible and...

http://www.rescceafi.com.br/vol4/n2/editorial%20pags%204%20a%208.pdf

Bone mineral density reduction is a health problem in postmenopausal women because it leads to osteoporosis and high risk of falling, and bone fracture. Bone fractures induce functional disability, poor quality of life, and reduced lifespan. Thus, therapies that reduce bone loss are highly necessary. In this study, we summarized fndings from the li...

This study compared the plasma kallikrein activity (PKA), bradykinin concentration (BK), DesArg 9 -BK production, nitric oxide release (NO) and blood pressure (BP) response after moderate-intensity aerobic exercise performed by individuals with and without type 2 diabetes. Ten subjects with type 2 diabetes (T2D) and 10 without type 2 diabetes (ND)...

This study compared the plasma kallikrein activity (PKA), bradykinin concentration (BK), DesArg(9)-BK production, nitric oxide release (NO) and blood pressure (BP) response after moderate-intensity aerobic exercise performed by individuals with and without type 2 diabetes. Ten subjects with type 2 diabetes (T2D) and 10 without type 2 diabetes (ND)...

Bone mineral density reduction is a health problem in postmenopausal women because it leads to osteoporosis and high risk of falling, and bone fracture. Bone fractures induce functional dis-ability, poor quality of life, and reduced lifespan. Thus, therapies that reduce bone loss are highly necessary. In this study, we summarized findings from the...

Este estudo verificou o efeito agudo dos exercícios de flexibilidade estática (EFlex) no desempenho de força máxima (FM) e de resistência de força (RF) em membros inferiores e superiores. Treze voluntários participaram do estudo e foram submetidos a testes de FM e RF (70% 1RM) nos exercícios supino e agachamento precedidos ou não de EFlex. O teste...

University professors are subjected to psychological stress that contributes to blood pressure (BP) reactivity and development of hypertension. The purpose of this study was to investigate the effects of exercise on BP in university professors during teaching and sleeping hours. Twelve normotensive professors (42.2 ± 10.8 years, 74.2 ± 11.2 kg, 172...

Individuals with type 2 diabetes (DB) have changes in energy substrate utilization at rest and during exercise, with less use of carbohydrate and muscle glycogen synthesis, emphasizing the hyperglycemia and insulin resistance. Exercise can help control and treatment of type 2 diabetes, but effect of different exercise intensities on the carbohydrat...

RESUMO A partir da década de 60, está sendo presenciado o aumento da população de idosos no Brasil. Tal fenômeno ocorre há aproximadamente cem anos em outros países, como na Europa. Devido a isso, é crescente o número de estudos voltados a essa parcela da população, uma vez que nessa faixa etária há diversas alterações fisiológicas e comportamentai...

The present study was undertaken to determine the effects of type 2 diabetes (T2D) on plasma kallikrein activity (PKA) and postexercise hypotension (PEH). Ten T2D patients (age: 53.6±1.3 years; body mass index: 30.6±1.0kg/m(2); resting blood glucose: 157.8±40.2mgdL(-1)) and 10 non-diabetic (ND) volunteers (age: 47.5±1.0 years; body mass index: 28.3...

The purposes of this study were to compare the hypotensive effects of treadmill running (TR) and resistance exercise (RE) performed by hypertensive subjects and to verify if the hypotensive effects of these exercises are maintained during a regular white-collar workday. Fifteen white-collar workers (42.9 +/- 1.6 years), treated with antihypertensiv...

Postexercise hypotension plays an important role in the non-pharmacological treat-ment of hypertension and is characterized by a decrease in blood pressure after a single exercise bout in relation to pre-exercise levels. This study investigated the effects of exercise intensity and creatine monohydrate supplementation on postexercise hypotension, a...

Type 2 Diabetes mellitus (DM2) is a metabolic disease characterized by hyperglycemia and cardiovascular dysfunctions that can be controlled with physical exercise, dietary control and pharmacological treatment. Recent research has demonstratedassociations between DM2 and some genetic polymorphisms, especially alterations to the gene that codes for...

http://dx.doi.org/10.5007/1980-0037.2008v10n3p283 Excessive abdominal fat contributes to the development of chronic nontransmissible diseases. Dual emission X Ray absorptiometry (DXA) is a simple to administer technique that allows abdominal fat percentage (%abdominalFDXA) to be determined. Anthropometric measurements, which have been validated an...

To verify the occurrence of post-exercise hypotension (PEH) in type 2 diabetics (DM(2)) and the effects of exercise intensity on post-exercise blood pressure (BP). Eleven men and women with DM(2) (58.5+/-10.2 years; 160+/-0.1cm; 80.6+/-13.5kg; 31.2+/-3.8kg/m(2), 19+/-3.2mLkgmin(-1) of VO(2max), 155.0+/-39.2mgdL(-1) of fasting blood glucose and 126+...

The purpose of this study was to compare different methods to identify the lactate threshold (LT) and glucose threshold (GT) on resistance exercise for individuals with type 2 diabetes. Nine men with type 2 diabetes (47.2 +/- 12.4 years, 87.6 +/- 20.0 kg, 174.9 +/- 5.9 cm, and 22.4 +/- 7.2% body fat) performed incremental tests (ITs) on the leg pre...

Paccini, Marina Kanthack; Arsa, Gisela; Glaner, Maria Fátima

OBJETIVO: Predizer a resistência à insulina em crianças a partir de indicadores antropométricos e metabólicos por análise de sensibilidade e especificidade dos pontos de corte. MÉTODOS: Estudo transversal foi realizado em 109 crianças de 7 a 11 anos, sendo 55 obesas, 23 sobrepesadas e 31 eutróficas, classificadas pelo índice de massa corporal (IMC)...

http://dx.doi.org/10.5007/1980-0037.2008v10n1p8 With the objective of analyzing the blood glucose responses during and after exercise performed at 90 and 110% of anaerobic threshold (AT), 10 type-2 diabetes patients (56.9±11.2years; 80.3±14.4kg) performed an incremental test (IT) on a cycle ergometer. After an initial IT to identify AT, the volunt...

To predict insulin resistance in children based on anthropometric and metabolic indicators by analyzing the sensitivity and specificity of different cutoff points. A cross-sectional study was carried out of 109 children aged 7 to 11 years, 55 of whom were obese, 23 overweight and 31 well-nourished, classified by body mass index (BMI) for age. Measu...

Acute exercise may result in post-exercise hypotension (PEH), which has been observed both for normotensive and hypertensive individuals, especially after continuous exercise (low to moderate intensity). The purposes were to compare the hypotensive effects of continuous exercise performed with alternated (AI) and constant intensities (CI) and verif...

Acute exercise may result in post-exercise hypotension (PEH), which has been observed both for normotensive and hypertensive individuals, especially after continuous exercise (low to moderate intensity). The purposes were to compare the hypotensive effects of continuous exercise performed with alternated (AI) and constant intensities (CI) and verif...

To verify the effects of a six-month non-supervised physical training program followed via the Internet on blood pressure and body composition in normotensive and borderline hypertensive individuals. One hundred and thirty five individuals were divided into two groups: 1) normotensive individual (n = 57), 43 +/- 1 years of age, systolic blood press...