Claudia Ridel Juzwiak

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• PhD
• Professor at Federal University of São Paulo

Method: 19 male and 11 female athletes grouped according to functional classification (vision impairment-VI, limb deficiency-LD, and cerebral palsy-CP) had their BMR measured by indirect calorimetry and compared to values predicted by different equations: Cunningham, Owen, Harris-Benedict, FAO/OMS, Dietary Reference Intakes, and Mifflin. Body comp...

From a historical perspective of athletes’ eating practices, the advancement of science and the provision of food in the modern Olympic Games, the author seeks to show that many challenges in practicing Sports Nutrition have their roots in how these processes were built. This essay aims to provide arguments for a reflection on the work of dietitian...

Objective: To evaluate the impact of an Interdisciplinary Food, Nutrition and Health Education Program on nutrition knowledge, intention to change eating behavior, and body dissatisfaction of adolescent volleyball players. Methods: The sample consisted of 10 female volleyball players from the juvenile category of the city of Santos, São Paulo, Bra...

Few studies about food consumption of athletes have assessed the quality of their food choices, and the factors that influence these choices. The aim of this study was to assess the diet of team sports athletes through a revised version of the Healthy Eating Index (HEI-R) in order to identify their nutritional knowledge and the stage of intention t...

In this cross-sectional study, we evaluated the body composition and dietary intake of 44 adolescent tennis players. After being divided into two groups (age 10-13 years and age 14-18), the players had their weight, height, and sexual maturation assessed. Dual-energy X-ray absorptiometry was used to assess body composition. Food intake was obtained...

Resumo: Com o objetivo de compreender as percepções de ribeirinhos do Amazonas sobre a covid-19, foram entrevistados 12 adultos infectados durante a primeira onda da pandemia. Trata-se de um estudo descritivo qualitativo de amostragem intencional com base no critério de saturação. Para a coleta de dados foram utilizados: questionário de perfil soci...

This qualitative study aimed to understand how food choices and practices occur in the daily and social lives of people who have celiac disease (CD). Seventeen participants were interviewed. The Food Choice Process Model was adopted as a theoretical framework for the Content Analysis. Diagnosis was a turning point, that led to changes in the person...

Background/objective: This study aims to analyze the effect of whey protein (WP) supplementation on glycemic control, muscle strength, quality of life, and body composition in older adults with non-insulin-dependent diabetes undergoing a resistance training program. Methods: A double-blind, placebo-controlled, randomized study was carried out wi...

The Brazilian Cardioprotective Nutritional Program (Balance)(f) consists of a nutritional counseling strategy aiming to prevent new cardiovascular events. This qualitative investigation is a case study of Balance aiming to understand the process of food choices related to the adherence of participants to the nutritional counseling. Semi-structured...

Com o objetivo de identificar os principais recursos étnicos que os restaurantes brasileiros em Barcelona utilizam para a manutenção do patrimônio alimentar, cinco proprietários de restaurantes que se descreviam como brasileiros nos seus sites, concordaram em participar deste estudo qualitativo. Foram realizadas entrevistas em profundidade. As narr...

Las mujeres mayores de más de 65 años acceden a los alimentos en los distintos entornos (hogares, mercados, tiendas, huertos, bares, etc.), teniendo en cuenta diversas formas de gestionar el riesgo y enfrentar las incertidumbres alimentarias. Los criterios de confianza y desconfianza que estas mujeres tienen en relación con los agentes involucrados...

Como parte de las actividades del proyecto “Comer Importa”, se trata de un relato de experiencia sobre la trayectoria de la implementación de la Política SAN en Brasil, resultado del intercambio científico entre los investigadores del Proyecto.

En este resumen se presentan la trayectoria y los componentes de la implementación de la agenda de la Seguridad Alimentaria y Nutricional (SAN) en Brasil y una reflexión sobre este proceso. Se desarrolla en el ámbito del Sistema Nacional de Seguridad Alimentaria y Nutricional (SISAN), que posibilita que la SAN sea implementada de manera articulada,...

ANTECEDENTES Y OBJETIVO: El envejecimiento puede representar un período de mayor vulnerabilidad tanto biológica como socioeconómica y psicosocial principalmente en países como Brasil, que son históricamente marcados por desigualdades sociales y dificultades de que derechos fundamentales sean atendidos. Con el fin de reflejar sobre las políticas púb...

Introduction and Aim: The Female Athlete Triad (FAT) and the Relative Energy Deficiency in Sports (RED-S) are known as syndromes that affect athletes' health and performance. Since 2007, the Low Energy Availability (LEA) is considered as the etiological factor of both conditions. This review aimed to identify the prevalence of FAT and REDS , in Bra...

Aiming to investigate the effects of the restriction measures imposed during the Covid-19 pandemic on physical and mental health, nine adult women were interviewed according to an in-depth semi-structured script applied online. The content analysis of the interviews produced five thematic nuclei: 1) “Intensified feelings, emotions, and responses”,...

Migrants in situations of socioeconomic vulnerability face many hardships regarding their eating practices. The aim of this study was to identify how migratory trajectories affect their food choices and the processes of dietary acculturation they experience. This is a qualitative study, conducted through the episodic narrative method, based on inte...

Surfing is a sport that has become increasingly popular worldwide, and it was one of the competitive disciplines in the Tokyo Olympic Games. Despite the increased interest in mapping the supplement intake profile of athletes, there is a gap in knowledge about its use among surfers. The aim of this study was to map the dietary supplements intake of...

Abstract Aim: The study aimed to understand the perceptions of mothers about the practice of figure skating by their daughters aged between 8 and 13 years old. Methods: Eight mothers of skaters belonging to a youth competition team were interviewed in a qualitative study, which used narratives as the methodological approach. The interview was struc...

O estudo avaliou a produção científica em periódicos brasileiros das Ciências da Saúde em relação à bulimia e ao corpo sob a ótica das Ciências Humanas. Para tanto, foi realizada uma revisão sistemática da literatura, na qual se acessou a base eletrônica da Literatura Latino-Americana e do Caribe em Ciências da Saúde (Lilacs) para a coleta de dados...

Abstract: Food, besides being a main factor for sports performance, affects the adaptation of athletes who migrate. In this research, the objective was to understand meanings and representations of food to migrant athletes and the influence of this process on food choices and athletic performance. The research interviewed ten athletes from five dif...

RESUMO Introdução: A baixa energia disponível, amenorreia e osteoporose compõe a tríade da mulher atleta, e afeta mulheres fisicamente ativas e atletas. O questionário Low Energy Availability in Females Questionnaire (LEAF-Q) foi criado com a finalidade de identificar atletas do sexo feminino em risco de tríade da mulher atleta. Objetivo: Traduzir...

Versão traduzida para o português do Brasil e validada do Low Energy Availability in Females Questionnaire (LEAF-Q)

Aim: This study aimed at understanding determinants of food choices and eating practices of aesthetics and weight class athletes from two countries. Methods: In this qualitative study, through recorded in-depth individual and focal group interviews, gymnasts (n = 16) and martial arts (n = 18) athletes from Brazil and Spain reported their eating pr...

Purpose. The female athlete triad (triad) is a medical condition observed in athletes and physically active females. Its components are low energy availability, with or without an eating disorder, amenorrhea, and osteoporosis. The aims of this study were to identify the triad risk in Brazilian athletes and to characterize the prevalence of symptoms...

A cultura do país de origem de pais migrantes traz elementos importantes na construção da identidade de filhos nascidos no país de acolhimento. Este estudo objetivou compreender quais elementos da cultura polonesa e da brasileira foram transmitidos e como influenciaram a construção da identidade de três filhos (segunda geração) de uma família polon...

Energy expenditure with exercise (EEEx) is an essential factor to estimate daily energy requirement. However, few studies explore this subject in para-athletes. This study aimed to assess the EEEx of Brazilian Paralympic track & field sprinters during a preparatory training phase. Five sprinters athletes with visual impairment (2 males and 3 female...

Aims: To understand how participating in a Nutrition & Health Education program (NHEP) affected the way rhythm gymnasts and their coaches perceive their food practices. Methods: Qualitative study portraying a case study of a NHEP specifically designed for a rhythm gymnastic team. The NHEP was conducted at the training facilities. Fourteen rhythm g...

Pais imigrantes e filhos nascidos no país de acolhimento têm suas identidades construídas a partir de universos culturais distintos; no entanto, as referências culturais do país de origem dos pais, dentre elas, as alimentares, podem constituir elementos importantes na construção dessa identidade. Este estudo de natureza qualitativa procurou compree...

La manutención del patrimonio alimentar supone un reto en un mundo cada vez más globalizado. La migración conlleva no solo el movimiento de personas, pero también la transferencia de patrimonio cultural inmaterial, incluido el alimentario. En este contexto, los restaurantes étnicos representan una herramienta fundamental en la producción, distribuc...

Esportes que supervalorizam a estética e o baixo peso corporal são indicados como os com mais incidência de comportamentos alimentares de risco. Diante disto, investigou-se o impacto do esporte competitivo na escolha alimentar de atletas de ginástica artística masculina e, para tanto, foram entrevistados quatro ginastas adultos do gênero masculino....

This study aimed to assess the diet quality of Brazilian Paralympic track & field team sprinters and its variation between-days. All (n=28) sprinters were invited and 20 (13 men and 7 women) accepted the invitation consisting of 13 athletes with visual impairment (VI), 4 with cerebral palsy (CP) and 3 with limb deficiency (LD). The dietary intake w...

This study investigated the effect of the intake of high (HGI) or low glycemic index (LGI) high-carbohydrate meals on athletes’ sleep. Nine basketball adult male athletes were assessed during a championship and received high-carbohydrate meals (dinner and evening snack) with HGI or LGI. Quantitative and qualitative sleep variables were assessed: sl...

Having a reasonable estimate of energy requirement (ER) is important to determine the adequacy of energy intake to cover the demands of sport. This, in turn, prevents the possibility of low energy availability and provides direction for changes in diet and/or training to better support desired physique changes (increased muscle mass, reduced body f...

Aiming to comprehend the continuities and changes in food choices and the role of Polish food as a part of the food culture of each generation, four subjects were interviewed, representing three generations of a family that migrated from Poland to Brazil. Narratives were analysed using Content Analysis and the Food Choice Trajectory Model as a fram...

Aiming to comprehend the continuities and changes in food choices and the role of Polish food as a part of the food culture of each generation, four subjects were interviewed, representing three generations of a family that migrated from Poland to Brazil. Narratives were analysed using Content Analysis and the Food Choice Trajectory Model as a fram...

Colantonio E, Juzwiak CR, Scorcine C, Pinheiro MM. Regional and Total Body Bone Mineral Density in Male Swimmers and Soccer Players in Different Age Groups. JEPonline 2018;21(3):25-33. The purpose of this study was to compare regional and total body bone mineral density (BMD) measurements between soccer players (SP) and swimmers (SW), accordingly t...

Aims: a) to measure individual variations in body mass (BM), sum of skinfolds (SSF) and energy intake of Paralympic track and field athletes b) to evaluate whether individual consumption of macronutrients meets recommended levels in three distinct periods of training. Methods: Ten Paralympic track and field athletes were evaluated during three per...

Research on female athletes has increased, with the main focus on Low Energy Availability (LEA) and Female Athlete Triad (TRIAD), however there is a gap in knowledge about LEA and related conditions such as eating disorder, menstrual dysfunction and bone health in athletes with disabilities. The literature suggests that those athletes, depending on...

Research on female athletes has increased, with the main focus on Low Energy Availability (LEA) and Female Athlete Triad (TRIAD), however there is a gap in knowledge about LEA and related conditions such as eating disorder, menstrual dysfunction and bone health in athletes with disabilities. The literature suggests that those athletes, depending on...

One of the greatest challenges when working with athletes is to achieve the energy demands for physiological processes and exercise expenditure. The aim of this study was to assess the energy availability (EA) of Paralympic track and field athletes (sprinters). Seventeen athletes (9 male and 8 female) with visual impairment (VI, n=10), cerebral pal...

Estudio sobre las preferencias y aversiones de escolares utlizandose de metodologias lúdicas (draw and tell)

This paper deals with the different body image perceptions and requirements according to different sports disciplines and how these perceptions affect athletes' eating practices.

Objective. To conduct a study on the evaluation of egresses about their formation in UNIFESP’s Nutrition Course in order to subsidize the review of the curricular matrix. Methods. Quanti-qualitative cross-sectional study developed using a questionnaire with closed and open questions, with the egresses from the first three classes of the Nutrition C...

The complexity of sleep function and its association with other physiological processes are still not clear in the literature and there is an increased interest in understanding it. Considering the negative consequences caused by the disruption in sleep pattern, strategies which aim to empower sleep quality, such as diet, should be studied and prom...

Emilson Colantonio1,3; Claudia R Juzwiak1,3; Cláudio Scorcine3,4; Fabrício Madureira4; Marcelo M Pinheiro2. 1. Department of Human Movement Sciences - Universidade Federal de São Paulo 2. Rheumatology Division and Bone Measurements Unit - Universidade Federal de São Paulo 3. Post-graduation Program Interdisciplinary in Health Sciences – Universidad...

The assessment of the Energy Availability (EA) has been evidenced as the best way to identify if energy intake supplies the body’s energy metabolic demand, after discounting the energy expenditure with exercise. An EA below 30 kcal/kg of lean body mass (LBM) is considered inadequate. Information about EA of male and paralympic athletes are scarce i...

La selección alimentaria es un proceso complejo que involucra inúmeros factores. Poco se conoce sobre el impacto de la ceguera sobre los aspectos alimentarios. Este estudio investiga un grupo singular de sujetos, que además de deficientes visuales (DV), también son atletas de alto rendimiento. Para estos sujetos, la selección alimentaria, en muchas...

Dancing influences physiological and psychosocial aspects such as affectivity, cognition, creativity, expression of emotions and feelings, communication, interaction, identity, and values. Flamenco, a dance which aggregates Roma and Spanish folklore elements and is associated with a characteristic sensual female image, is becoming popular in our co...

The aim of this crossover study was to evaluate the effect of a grape concentrate (test drink [TD]) on oxidative stress markers (thiobarbituric acid reactive substances [TBARS], catalase [CAT], superoxide dismutase [SOD], and glutathione [GSH]). Six triathletes had their physical fitness, body fat composition (%BF) and food intake evaluated. Afterw...

This cross-sectional study aimed to evaluate the nutritional intake, body image, risk of eating disorders and intention of behavior change of female brazilian athletes. Sixty-nine athletes from different sports (TEAM: volleyball, handball, indoor soccer and basketball n=46; COM: judo, karate n=9; RG: rhythm gymnast n=14) had their anthropometric an...

This cross-sectional study aimed to investigate eating practices and food beliefs of male triathletes (n=12) and bodybuilders (n=12). Both groups include or exclude certain foods from their diet aiming to improve performance. Bodybuilders overvalue protein foods and low-glycemic index carbohydrate sources, while triathletes value carbohydrate sourc...

Once upon a time... An insight on the use of fairy tales as a tool for food and nutrition education The text presents a reflection on the importance of incorporating food and nutrition themes transversally in the school curricula, related to the child´s quotidian and guaranteeing the school-family integration. The importance of selecting ageappropr...

The text presents a reflection on the importance of incorporating food and nutrition themes transversally in the school curricula, related to the child´s quotidian and guaranteeing the school-family integration. The importance of selecting age-appropriate strategies is emphasized and traditional fairy tales are suggested as a tool for the developme...

This article analyzes the experience of the Permanent Workshop on Nutrition and Health Education, which provides ongoing education on health and nutrition for school nutritionists and educators. In 2009, nutritionists, principals/management assistants, pedagogical coordinators, teachers and nutrition undergraduates attended 10 workshops, which were...

Este artigo tem por objetivo apresentar a experiência da Oficina Permanente de Educação Alimentar e em Saúde, um espaço de articulação dos profissionais envolvidos na promoção da alimentação saudável na escola. Em 2009, foram realizadas 10 oficinas com nutricionistas, diretores/assistentes de direção, coordenadores pedagógicos, professores e gradua...

Body perception and eating behavior are influenced by bio-socio-cultural factors, as well as psychological and economic aspects. In adolescent athletes, vulnerable to influences and pressures, self-image perception can lead to inadequate eating habits. The purpose of this study was to verify the presence of dissatisfaction and alterations in body p...

Antioxidant nutrient intake and the lesser formation of free radicals seem to contribute to chronic diseases. The aim of the present study was to evaluate the intake profile of the main dietary antioxidants in a representative sample of the adult Brazilian population and discuss the main consequences of a low intake of these micronutrients on overa...

The important changes observed in dietary patterns throughout human evolution brought us to the modern diet, which reflects a complex panorama involving a transition comprising nutritional, epidemiological and demographical aspects. These changes explain the increasing worldwide epidemic of obesity and other noncommunicable diseases such as cardiov...

Introdução: A adolescência representa período de máxima velocidade de crescimento e a nutrição é fator crítico para suprir as necessidades e garantir a expressão do potencial genético. Adolescentes atletas apresentam demanda ainda maior devido ao treinamento. Vários índices têm sido propostos com base nos guias alimentares, a fi m de facilitar a av...

In this prospective, cross-sectional study male adolescent tennis players (44) and nonathletic controls (32) were evaluated to determine the effects of physical activity, dietary nutrient intakes, sexual maturation, and body composition on bone-mineral density (BMD). Dietary nutrient intakes and physical activity expenditure were estimated by 4-d d...

Atualmente, a vida nos grandes centros urbanos causa desgaste físico e mental em grande parte da população. Portanto, cada vez mais as pessoas tentam conciliar prazer às atividades diárias. Prova disso é o crescente número de frequentadores dos quiosques na praia do Itararé, já que esses estabelecimentos integram alimentação e bem-estar social em u...

The objective of the study was to describe the food intake of adventure racers during a competition simulated in the laboratory. Ten male athletes with international experience in adventure races took part in the study. The experiment lasted 67 hr (total distance covered 477.3 km), but 3 athletes did not finish the race. Food intake was recorded th...

We evaluated the practice of nutritional therapy (NT) by NT multiprofessional teams (NTMTs) in hospitals of the São Paulo metropolitan region to verify its adequacy in meeting the legislation that regulates NT in Brazil. This was an open prospective study using active research through an inquiry with a multiple-choice, directed, and descriptive que...

We describe the usual food intake, body composition, and biochemical profile of adventure racers during their training season and evaluate their energy and nutrient intake in relation to current recommendations for ultraendurance athletes. Twenty-four adventure race athletes (18 men and 6 women), 24 to 42 y of age, participated in the study. Food i...

The objectives of this study were to describe the dietary practices recommended by coaches working with adolescent athletes and to assess their nutritional knowledge. During a regional competition in the state of Sao Paulo, Brazil, 55 coaches were interviewed. These coaches represented 22 cities with athletes enrolled in Olympic gymnastics, tennis,...

OBJECTIVE To review data about the nutrition of physically active children and adolescents. METHOD Review of literature using MEDLINE and LILACS data base and the keywords sport or physical activity and nutrition and children or adolescents. RESULTS AND CONCLUSION Involvement of children and adolescents in sports activities is important for their...