Thiago Matias

Federal University of Santa Catarina | UFSC · School of Sports

Background There is a lack of evidence regarding clusters of health-related behaviors among adolescents from low, lower-middle, and upper-middle income countries. This study aimed to identify clustering patterns of health-related behaviors (diet, physical activity [PA] and sedentary behavior [SB]) and association with sociodemographic variables amo...

To reduce the spread of COVID-19, the World Health Organization and the majority of governments have recommended that the entire human population should ‘stay-at-home’. A significant proportion of the population live alone or are vulnerable to mental health problems yet, in the vast majority of cases, individuals in social isolation have no access...

CORRESPONDENCE

This article offers a governing, trans-disciplinary theory for understanding physical activity in humans. The Unifying Theory of Physical Activity involves three aspects. First, it frames physical activity as an essential human act resulting from inherent urges: to feel, to explore, to transform and to connect. These urges prelude and compel people...

Note: This work is organized by the Ministry of Health of Brazil in partnership with the Federal University of Pelotas / Brazil. The researchers listed as authors here were responsible for preparing chapter 3 - PHYSICAL ACTIVITY FOR CHILDREN AND YOUTH FROM 6 TO 17 YEARS OLD. These Guidelines present physical activity recommendations for all ages...

Although there is consistent evidence of the beneficial effects of leisure physical activity (PA) on mental health, the role of PA in the domestic, transport, and occupational domains is inconclusive. This study aimed to analyze the relationship between domain-specific PA and depressive symptoms and examine whether the association is moderated by a...

Backgound: Although obesogenic behaviors have been found to be related to social isolation, evidence-based person-centered approaches are lacking. This study investigated the association between clusters of obesogenic behavior – derived from a data-driven process – and social isolation among Brazilian adolescents. Methods: Data from the National Ad...

AimTo compare the physical activity pattern before and during the COVID-19 pandemic and verify the association with contextual, behavioral, and health variables related to the pandemic in adults and older adults from southern Brazil.Subject and methodsThis is a panel-type, population-based study in Rio Grande-RS and Criciúma-SC, with 4290 individua...

Background Behavior change interventions have been the focus of recent studies, and the COVID-19 pandemic highlighted the importance of online interventions. However, no previous studies have investigated behavior change techniques to improve physical activity in adults with asthma through online intervention. Methods This double-blind clinical tr...

Obesogenic behaviors have been individually associated with bullying during adolescence. However, physical activity, sedentary behavior, and diet manifest themselves in synergy and even behavioral profiles in which positive and negative behaviors coexist can be more positively associated with psychosocial outcomes. The present study aimed to analyz...

The training load is associated with injury risk on a variety of sports. This study aimed to verify the association between the internal training load and injury risk in Brazilian professional soccer players. The data was collected from 32 soccer players across two full seasons (2017 and 2018). The rating of perceived exertion (RPE) for every train...

Purpose To identify patterns of school environment and association with physical activity (PA) in different domains Methods Cross-sectional data from the National School Health Survey (2015) was used, and students enrolled in the ninth grade of elementary education were evaluated. Electronic questionnaires were answered by students and the school...

Background Behavior change interventions have been the focus of recent studies, and the COVID-19 pandemic highlighted the importance of online interventions. However, no previous studies have investigated behavior change techniques to improve physical activity in adults with asthma through online intervention.Methods This double-blind clinical tria...

A promoção da saúde envolve aspectos afetivos e cognitivos para mudanças de comportamento, assim destaca-se a necessidade de maior atenção voltada aos aspectos motivacionais relacionados à adesão e manutenção das pessoas à prática de atividade física no contexto da Atenção Primária à Saúde (APS). Este ensaio tem como objetivo apresentar a etapa ini...

Objective: This study aimed to identify the clusters of obesogenic behaviors, and verify the association with metabolic risk according to the categories of somatic maturity status of adolescents. Methods: This is a cross-sectional study conducted with 1159 (55.1% girls) Brazilian adolescents aged between 10 and 16 years (mean age: 12.9 years). M...

Background Clusters’ behaviors can change with age, moving from adolescence to adulthood.AimsThis study examined physical activity (PA), diet, and sedentary behavior (SB) clusters according to age groups (11–12, 13–15, 16–17, and 18–19 years) and its association with sex and maternal education.Methods Brazilian National School-based Health Survey (...

Background To identify the prevalence and sociodemographic correlates of different domains of physical activity (PA) and higher sitting time among South American adolescents. Methods Data from national surveys of 11 South American countries were analyzed, and comprised information on 166,901 adolescents. PA (≥ 60 min/day of moderate-vigorous PA),...

Background: Little is known about how the interplay among health-related behaviors impacts self-rated health (SRH). We examined the clustering of physical activity (PA), sleep, diet, and specific screen-based device use, and the associations between the emergent clusters and SRH among Brazilian adolescents. Method: The data used in this cross-se...

Citation: Mello, G.T.d.; Lopes, M.V.V.; Minatto, G.; Costa, R.M.d.; Matias, T.S.; Guerra, P.H.; Filho, V.C.B.; Silva, K.S. Clustering of Physical Activity, Diet and Sedentary Behavior among Youth from Low-, Middle-, and High-Income Countries: A Scoping Review. Int. J. Environ. Res.

Background: The interaction between physical activity (PA), diet, and sedentary behavior (SB) plays an important role on health-related outcomes. This scoping review (Prospero CRD42018094826) aims to identify and appraise clusters of PA, diet, and SB among youth (0-19 years) according to country income. Methods: Five databases were searched. Fif...

Background Physical activity is associated with depression; however, the influence of physical activity type on this association remains poorly explored. We aimed to investigate the association between various types of leisure-time physical activity and depression among a large and representative sample. Methods Data from the 2019 Brazilian Nation...

Background: the relationship between behavior clusters and weight status, mainly in low- and middle-income countries, remains unclear. This study aimed to examine the association between profiles of physical activity (PA), diet and sedentary behavior (SB) with weight status in adolescents from a southern Brazilian city, according to sex. Methods:...

This study described the clustering patterns of moderate to vigorous physical activity and sedentary time (ST) according to handgrip strength and investigated the association between identified clusters of fat and lean mass in older adults from southern Brazil. Objective measures were used for moderate to vigorous physical activity, ST, and body co...

Regular physical activity promotes physiological, psychological and social benefits in the lives of children and adolescents. Despite the high prevalence of young people who do not physically activity in our country, and that we have a good ranking in world academic production on research in the physical activity and health area, Brazilian recommen...

Physical activity is influenced by an interplay of time and setting, thus, the role of psychosocial factors on behavior is expected to vary across the day. This cross-sectional study identified the psychosocial correlates of time spent in physical activity during in-school (i.e., 08:00–11:59) and out-of-school (i.e., 12:00–22:00) time segments. The...

Background: Patients with Chronic Obstructive Pulmonary Disease (COPD) present a progressive chronic airflow obstruction. Pulmonary Rehabilitation (PR) promotes the reversal of the extrapulmonary effects of the disease and improves the quality of life. Despite the physiological benefits, the major challenge of PR is to promote change in lifestyle....

ABSTRACT: The aim of the present study was to investigate adolescents’ physical activity associated to mood state. A population-based cross-sectional study was performed and included 662 (age range: 14 - 19) adolescent students from different districts of Florianópolis/SC, south of Brazil. Physical Activity Evaluation Questionnaire for Adolescents,...

This study analyzed the perception about affective background for physical activity (PA) related to basic psychological needs (BPN) and investigated motivational regulations for PA in the discourse of beginners at an exercise program in primary health care. A cross-sectional study was carried out using the Focus Group technique to reach the study’s...

Este livro tem como objetivo apresentar o handebol e as possibilidades pedagógicas para ensiná-lo em diferentes contextos (lazer, escola e programas de esportes), bem como dedica-se a entender a modalidade nas fases iniciais do processo de ensino, aprendizagem e treinamento. Esta obra tem o potencial para auxiliar acadêmicos, professores, profissio...

Background: Income is an important determinant of physical activity (PA) when analyzed in its different domains. Socio-demographic characteristics such as sex, age, education, and marital status reveal distinct population profiles when PA domains are analyzed in isolation. This study aimed to describe clusters of PA in domains within income inequal...

Social distancing and quarantines have been implemented worldwide to reduce the spread of Coronavirus Disease (COVID-19). However, social distancing has had far-reaching health consequences, considering that the COVID-19 pandemic has exposed people to the hazard of physical inactivity and sedentary behavior. For patients with Chronic Obstructive Pu...

We are facing an unprecedented crisis due to the COVID-19, with social distancing measures. These measures have adverse impacts and exercise professionals need to gear efforts to promote active lifestyles. This assay has two purposes: 1) To discuss the role of web–based physical activity interven-tions during and after the COVID-19 pandemic, debati...

We are facing an unprecedented crisis due to the COVID-19, with social distancing measures. These measures have adverse impacts and exercise professionals need to gear efforts to promote active lifestyles. This assay has two purposes: 1) To discuss the role of web–based physical activity interventions during and after the COVID-19 pandemic, debatin...

Introduction Considering the ongoing growth of CrossFit training, it is pertinent to examine the motivational characteristics of individuals who engage in this type of training modality. Purpose This study aimed to examine the motivational characteristics displayed by individuals participating in CrossFit training through a narrative review. Meth...

Increased demand for gyms exercise have as cause body image dissatisfaction related to anthropometric indicators, however motivations that support exercise practices seems to not drive people to an active lifestyle. Our study aimed to analyze relationship between body image, anthropometric indicators, motivation and adherence to strength training....

Background: The present study aimed to analyze the effect of an intervention for increasing physical activity and reducing sedentary time on adolescents' total sleep time (TST), and to examine whether the effect on adolescents' TST was mediated by the intervention changes on screen-based sedentary time. Methods: This study was a school-based clu...

Background/objectives: An in-depth understanding of the relationship between food consumption and physical activity is relevant since these behaviours could influence each other, while both have an effect on obesity and chronic diseases. In this context, the aim of this study was to investigate the effect of various combinations of food consumptio...

The aim of the present study was to compare motivational regulations between different leisure-time phys-ical activity (PA) choices in adolescents and to analyze whether the total amount of PA is different accord-ing to PA choices. A population-based cross-sectional study was performed and included 2,757 adolescent students aged between 10 and 19 y...

O objetivo desse estudo foi comparar as regulações motivacionais entre diferentes escolhas por AF no lazer em adolescentes e verificar se o volume anual de AF é diferente conforme essas escolhas. Tratou-se de um estudo transversal, de base populacional, com 2.757 adolescentes de 10 a 19 anos de idade. Questionários de AF habitual e motivação foram...

This study aimed to examine the association between clusters of obesogenic behaviors and body image indicators among a population-based sample of Brazilian adolescents. Data from a cross-sectional country representative survey of 9th grade students (N = 102,301) were analyzed. Physical activity (PA), sedentary behavior (SB) and body image indicator...

Trabalho apresentado no XII Congresso Brasileiro de Atividade Física e Saúde.

We have read with great interest the article by Liacos et al.[1], who investigated the predictive validity, minimal important difference (MID) and responsiveness of the Pulmonary Rehabilitation Adapted Index of Self-Efficacy (PRAISE). In addition to the interesting findings concerning the predictive validity of PRAISE, the authors raised questions...

Objective To investigate the association between different domains (leisure, work, commuting, and household) of physical activity, independent and cumulative, and excess weight and obesity in Brazilian adults. Methods This is a cross-sectional survey, conducted in 2015, through telephone interviews with a representative sample of adults from the c...

Purpose Considering the increase in the prevalence of overweight and obese adolescents, this study aimed to analyze the perception of physical competence in Brazilian adolescents of different nutritional status. Methods A population-based cross-sectional study was performed and included 2.757 (15 ± 4 years-old) adolescent students (1.302 boys, 1.4...

O livro Motivação, atividade física e mudança de comportamento: teoria e prática apresenta um olhar inovador sobre a formação profissional no âmbito da promoção da atividade física e saúde. O livro instiga os profissionais de saúde para uma reflexão crítica sobre o papel da atividade física nos diversos domínios da vida. Apresenta uma proposta meto...

This study aimed to investigate the clustering patterns of physical activity (PA), sedentary time (ST), and breaks in sedentary time (BST) and the association between the identified clusters with risk for metabolic syndrome associated with obesity in older adults. Participants included 212 users of community health centers (CHC) in Brazil. A questi...

Promoting healthy lifestyle factors (e.g., physical activity, healthy eating, less screen time) among young people is a relevant and challenging step toward reducing non-communicable diseases. This study aimed to evaluate the effect of a multicomponent intervention on lifestyle factors among adolescents from schools in low Human Development Index (...

A reabilitação pulmonar é considerada uma parte fundamental no manejo de pacientes com doenças pulmonares crônicas. Porém, apesar da sua eficácia comprovada na melhora da capacidade funcional e de exercício, da qualidade de vida e dos sintomas, entre outros, os ganhos adquiridos pelos pacientes não são mantidos a longo prazo. Em virtude disso, a at...

A reabilitação pulmonar é considerada uma parte fundamental no manejo de pacientes com doenças pulmonares crônicas. Porém, apesar da sua eficácia comprovada na melhora da capacidade funcional e de exercício, da qualidade de vida e dos sintomas, entre outros, os ganhos adquiridos pelos pacientes não são mantidos a longo prazo. Em virtude disso, a at...

A reabilitação pulmonar (RP) é considerada uma parte fundamental no manejo de pacientes com doenças respiratórias crônicas. Algumas abordagens terapêuticas para pacientes com essas doenças, como os programas de RP, têm evidenciado a necessidade de intervenções que considerem tanto o treinamento físico como a necessidade de suporte psicossocial aos...

Este estudo objetivou comparar e associar as motivações de praticantes de esporte de aventura à outras modalidades. Estudo transversal de base populacional com 2.757 adolescentes da grande Florianópolis. A regulação externa é menor (0,52±0,75) para os esportes de aventura comparado a outras modalidades (0,71±0,86). A regulação identificada (aventur...

Este trabalho buscou investigar o potencial inovador e educacional na disciplina de Educação Física, através da diversificação do conteúdo, redes sociais e aulas abertas. A proposta foi desenvolvida na disciplina de estágio supervisionado no ensino médio, e realizada em uma escola pública mantida pelo estado de Santa Catarina. As análises foram sis...

This study aimed to investigate whether attitudes towards body weight dissatisfaction is associated with perceived health and impairments in sleep among a national population-based sample of Brazilian adolescents. This is a cross-sectional datathe 2015 National School-Based Health Survey (PeNSE). A total of 100.182 students (70.8% were between 14 t...

The view of physical activity (PA) as psychology health-promotion is re-latively recent. Previous researches have tended to focus on neurophysio-logy a mechanism that tries to identify where positive outcome appears in the relationship between PA and mental health. In this sense, exercise has been categorized by its intensity and frequency1. We are...

O objetivo deste estudo foi investigar a associação entre diferentes estágios de mudança do comportamento para o exercício e a percepção de indicadores de saúde em estudantes adolescentes. Participaram 662 adolescentes de 14 a 19 anos, distribuídos proporcionalmente nos 12 distritos de Florianópolis/SC. Foram utilizados: questionários de caracteriz...

Poster presented at the Brazilian Congress of Physical Activity and Health - CBAFS 2017

Evidencias mostram a influencia de fatores psicologicos no desempenho de policiais. Alteracoes nos estados de humor podem influenciar na tomada de decisao e performance em habilidades motoras, prejudicando o desempenho cognitivo. O objetivo do estudo foi investigar a relacao entre os estados de humor e o tempo de reacao em policiais civis de unidad...

Introduction: evidences suggest that reaction time (RT) is a sensible variable in the performance and motivational predisposition assessment of police officers. Such motivational component may indicate the person’s ability perception to respond to specific demands, and it may present better responses to situations which requires speed and choice re...

Objetivo: investigar a atividade física relacionada ao estresse no trabalho, dos profissionais que atendem pacientes com transtornos mentais e dependentes químicos. Método: para uma amostra não probabilística de 170 profissionais, utilizou-se questionário autoaplicável. A estatística foi descritiva e inferencial. Resultados e Considerações Finais:...

Introduction: evidences suggest that reaction time (RT) performance is associated with psychological aspects such as motivation. RT and motivation plays an important role in the context of police officers and are known to interact during human decision processes. Objetive: to investigate the relationship between motivational regulations for physica...

This study aimed to investigate the physical activities and leisure habits of 216 adolescents from a federal center of technological education from Santa Catarina. Atividades Fisicas Habituais questionnaire and Autoavaliacao do Estilo de Vida questionnaire were used. Data were analyzed by descriptive and inferential statistics, “t” test and Chi-squ...

Based on Self-Determination Theory (SDT; Deci & Ryan, 1985), this study investigated the relationship between physical exercise, motivational regulations and associated factors in adolescents. We conducted a cross-sectional study involving 471 adolescents aged 14 to 18 years old, students at a public school in Florianópolis/SC, Brazil. Questionnai...

Fisioter. Mov., Curitiba, v. 23, n. 4, p. 523-533, out./dez. 2010 Licenciado sob uma Licença Creative Commons [T] Alongamento estático versus conceito Mulligan: aplicações no treino de fl exibilidade em ginastas [I] Static stretch versus Mulligan concept: fl exibility training in gymnasts [A] Manuela Karloh [a] , Raquel Petry dos Santos [b] Resumo...

Flexibility is one of the most important physical aspects in Rhythmic Gymnastics (RG). The purpose of the study was to compare long-term changes in flexibility of hip extension in athletes of RG in function of two techniques: the static stretch and Mulligan’s Long Leg Traction. Participated eight female athletes with an average age of 13,25±0,89 ye...