Effects of different training methods in tele-exercise on acute performance decrement in adults with disability and wheelchair users.

PURPOSE: Wheelchair users and people with disabilities have limited access to physical exercise due to various factors, including medical follow-up and training facilities. Although tele-exercise guided by experts has become a viable option, there is limited knowledge about the acute performance decrement (APD) resulting from remote training methods. The current cross-sectional study aimed to: (1) assess the APD of muscle resistance strength after three synchronous tele-exercise training methods in wheelchair users and (2) compare the training loads associated with each training method. MATERIALS AND METHODS: Eighteen male and female wheelchair users who participated in tele-exercise strength practices were recruited. The participants performed a maximum resistance strength test by synchronous tele-assessment (push-up test, PUT) at baseline and immediately after three training methods: high-intensity interval training (HIIT), moderate-intensity continuous training (MICT) and sprint interval training (SIT). The primary outcome was the APD, which was measured by the percentage decrease in the number of repetitions of the PUT immediately after the training methods. RESULTS: APD was observed for all three training methods, with no significant differences between them (-34.8%, -29.9% and -38.0% for MICT, SIT and HII, respectively), and presented a non-significant correlation with the training loads. HIIT had a significantly higher training load than MICT and SIT. CONCLUSIONS: APD occurred in all training sessions, but did not correlate with training load, indicating that it is not an appropriate metric for comparison. Findings provide insight into APD response and highlight the need to consider multiple metrics when comparing training protocols.

Synchronous moderate-intensity continuous training (MICT), sprint interval training (SIT) and high-intensity interval training tele-exercises provided similar acute performance decrement in wheelchair users and people with disabilities.High-intensity interval training showed a higher training load compared to MICT and SIT performed remotely.Acute performance decrement did not correlate with the training load.

Ethics and organizational performance before and during COVID-19 in Mexican hospitals within urban areas / Ética y desempeño organizacional antes y durante COVID-19 en hospitales mexicanos dentro de áreas urbanas

Abstract Objective: The purpose of this paper is to analyze the differences in the perception of ethical decision making, organizational ethical climate, and organizational performance, before and during the COVID-19 pandemic by some health professionals in public and private hospitals in urban areas in Mexico. Materials and Method: 68 health professionals answered a survey using the snowball sampling technique. This digital structured survey evaluated the demographic characteristics of respondents and 3 dimensions (constructs) divided in 53 items: ethical decision making, organizational ethical climate, and organizational performance, before the COVID-19 pandemic (year 2019) and during the pandemic (year 2020-2021). To compare the differences of the dimensions before and during COVID-19, the t-test was carried out for dependent samples. Results: In the ethical decision making and organizational ethical climate dimensions, there were no statistically significant differences in the averages before and during the pandemic. In relation to the organizational performance there is a statistically significant difference in the averages before and during the pandemic, with a decrease in performance. Conclusions: This research contributes to literature on healthcare service management suggesting to acknowledge that, in an adverse environment, the decision making process based on ethics and an ethical climate should be maintained in the organizations to avoid a more dramatic fall in performance.

Resumen Objetivo: El propósito de este artículo es analizar las diferencias en la percepción de la toma de decisiones éticas, clima ético organizacional y desempeño organizacional, antes y durante la pandemia por COVID-19, en algunos profesionales de la salud de hospitales públicos y privados del área urbana de México. Materiales y Métodos: 68 profesionales de la salud respondieron una encuesta utilizando la técnica de muestreo de bola de nieve. Esta encuesta estructurada digital evaluó las características demográficas de los encuestados y 3 dimensiones (constructos) divididas en 53 ítems: toma de decisiones éticas, clima ético organizacional y desempeño organizacional, antes de la pandemia de COVID-19 (año 2019) y durante la pandemia (año 2020-2021). Para comparar las diferencias de las dimensiones antes y durante el COVID-19, se realizó la prueba t para muestras dependientes. Resultados: En las dimensiones toma de decisiones éticas y clima ético organizacional, no se presentaron diferencias estadísticamente significativas en los promedios antes y durante la pandemia. En relación al desempeño organizacional existe una diferencia estadísticamente significativa en los promedios antes y durante la pandemia, con una disminución en el desempeño. Conclusiones: Esta investigación contribuye a la literatura acerca de la gestión de servicios de salud sugiriendo que, en un entorno adverso, la toma de decisiones basada en la ética y un clima ético deben mantenerse en las organizaciones para evitar una caída más dramática en el desempeño.

Corrigendum: Effects of weight divisions in time-motion of female high-level Brazilian Jiu-jitsu combat behaviors.

[This corrects the article DOI: 10.3389/fpsyg.2023.1048642.].

Effects of weight divisions in time-motion of female high-level Brazilian Jiu-jitsu combat behaviors.

Coaches and psychologists can use time-motion analysis to elaborate specific interventions for female BJJ athletes, increasing specific training context and reducing unnecessary psychological and physical demands and injuries. Therefore, the present study aimed to analyze high-level BJJ female athletes in the 2020 Pan-American Games by comparing the weight categories on the time-motion analysis. The time-motion analysis (i.e., approach, gripping, attack, defensive actions, transition, mounting, guard, side control, and submissions) of 422 high-level female BJJ combats was divided and compared by weight category as follows: Rooster (n = 8), Light Feather (n = 18), Feather (n = 122), Light (n = 84), Middle (n = 74), Medium Heavy (n = 44), Heavy (n = 36), Super Heavy (n = 36), using p ≤ 0.05. The main results indicated that the Super heavyweight category [3.1 (5.8;119.9) s] had a shorter gripping time than other weight categories, p ≤ 0.05. In contrast, roosters [7.2 (3.5;64.6) s] had longer gripping, transition [14.0 (4.8;29.6) s], and attack time [76.2 (27.7, 93.2)] than the light feather, middlers, and heavier weight categories, p ≤ 0.05. These findings should be considered for the psychological interventions and training prescription.

Evaluación del nivel de independencia para la realización de actividades instrumentales de la vida diaria en una comunidad de personas vulnerables / Avaliação do nível de independência nas atividades instrumentais de vida diária numa comunidade em vulnerabilidade / Evaluation of the level of independence for the performance of instrumental activities of daily living in a community of vulnerable people

Resumen Introducción Los cambios o deficiencias estructurales y/o funcionales que presentan las personas con discapacidad pueden limitar o comprometer su interacción, para la realización o el cumplimiento de actividades personales o sociales, convirtiéndolas entonces en personas vulnerables. Para la evaluación, el terapeuta ocupacional debe valorar varios factores que pueden ser considerados como riesgo de mayor vulnerabilidad como: edad, género, nivel educacional, condiciones económicas, ocupación, condición física o mental y presencia de comorbilidades entre otras. Objetivo Evaluar nivel de independencia para la realización de actividades instrumentales de la vida diaria (AIVD) en individuos pertenecientes a una comunidad de personas vulnerables. Método Se aplicó el Índice de Lawton y Brody en adultos y adultos mayores, que tenían o referían algún tipo de discapacidad, recolectando además una serie de datos que fueron procesados y analizados en la plantilla de cálculo en Microsoft Excel 2020®. Resultados El 74,2% mostró un elevado nivel de dependencia para desarrollar las AIVD, con predominio en adultos. El 70,7% poseían carné o certificado de discapacidad, con una correlación negativa moderada entre el porcentaje de gravedad y el nivel de independencia. La artritis reumatoidea fue la enfermedad que con mayor frecuencia estuvo vinculada a la perdida de la independencia. Conclusión Resulta posible detectar tempranamente el nivel de dependencia y la presencia de discapacidad, mediante la aplicación del Índice de Lawton y Brody, determinando limitaciones funcionales para realizar AIVD en una comunidad de personas vulnerables.

Resumo Introdução As mudanças estruturais e/ou funcionais que as pessoas com deficiências apresentam podem limitar ou comprometer sua interação para o desempenho ou realização de atividades pessoais ou sociais, tornando-as assim vulneráveis. Para avaliação, o terapeuta ocupacional deve avaliar vários fatores que podem ser considerados como um risco de maior vulnerabilidade, tais como: idade, sexo, nível educacional, condições econômicas, ocupação, condição física ou mental e presença de comorbidades, entre outros. Objetivo Avaliar o nível de independência na realização de atividades instrumentais de vida diária (IADLs) em indivíduos pertencentes a uma comunidade de pessoas vulneráveis. Método O Lawton e Brody Index foi aplicado a adultos e pessoas mais velhas que tinham ou relataram algum tipo de deficiência, coletando uma série de dados que foram processados e analisados no modelo de cálculo Microsoft Excel 2020®. Resultados 74,2% mostraram um alto nível de dependência para realizar IADLs, com predomínio de adultos. 70,7% tinham um cartão ou certificado de deficiência, com uma correlação negativa moderada entre a porcentagem de gravidade e o nível de independência. A artrite reumatoide foi a doença mais frequentemente ligada à perda de independência. Conclusão É possível detectar precocemente o nível de dependência e a presença de deficiência, aplicando o Lawton e Brody Index, determinando limitações funcionais para realizar IADLs em uma comunidade de pessoas vulneráveis.

Abstract Introduction The structural and/or functional changes or impairments presented by people with disabilities can limit or compromise their interaction, for the performance or fulfillment of personal or social activities, making them then vulnerable people. For evaluation, the occupational therapist must assess several factors that can be considered as a risk of increased vulnerability such as: age, gender, educational level, economic conditions, occupation, physical or mental condition, and presence of comorbidities among others. Objective To evaluate the level of independence in the performance of instrumental activities of daily living (IADL) in individuals belonging to a community of vulnerable people. Method The Lawton and Brody Index was applied to adults and older adults who had or reported some type of disability, collecting a series of data that were processed and analyzed in the Microsoft Excel 2020® calculation template. Results 74.2% showed a high level of dependence to develop IADLs, with a predominance in adults. 70.7% had a disability card or certificate, with a moderate negative correlation between the percentage of severity and the level of independence. Rheumatoid arthritis was the disease most frequently associated with loss of independence. Conclusion It is possible to detect early the level of dependence and the presence of disability, through the application of the Lawton and Brody Index, determining functional limitations to perform IADLs in a community of vulnerable people.

Mental toughness and physical fitness tests of boxing athletes associated with big five personality factors / Testes de resistência mental e aptidão física de atletas de boxe associados aos cinco grandes fatores de personalidade

ABSTRACT The present study related to boxing athletes' mental toughness and physical fitness performances with Big Five Factors. For this, the sample was composed of eleven recreational boxers who competed at the state level and were regularly training (technical and tactical) 4 times a week during the evaluation period. The 44-item Big Five Inventory (BFI) measures the Big Five dimensions of Conscientiousness, Agreeableness, Neuroticism, Openness, and Extraversion and the 14-item Sports Mental Toughness Questionnaire (SMTQ) were applied with Strength, Power, and Endurance Tests, Pearson and Spearman's correlations were used to verify the association between BFI, physical and mental tests, respectively, p≤.05. Our results demonstrated that significant and strong correlation between agreeableness factor and sit-ups test, with 40.85±12.36 freq./min (r=.72, p=.02) and, in SMTQ, a strong correlation between Neuroticism and Control [10(9;12) score, r=.76, p≤0.01], Constancy [10(9;12) score, r=.84, p≤0.01] and Total SMQT [37(34;37) score, r=.84, p≤0.01]. In conclusion, these results suggest that Neuroticism factors are associated with mental toughness, while the agreeableness factor is related to muscular endurance capability. Mental toughness and endurance results are associated with boxers' personalities whose drive motivates them relentlessly towards success and promotes thriving in boxing training environments or during championships.

RESUMO O presente estudo relacionou a resistência mental e o desempenho da aptidão física de atletas de boxe com os cinco grandes fatores. Para isso, compuseram o presente estudo onze boxeadores recreativos que competiram em nível estadual e estavam treinando regularmente (técnico e tático) 4 vezes por semana durante o período de avaliação. O Big Five Inventory (BFI) de 44 itens mede as dimensões de Conscienciosidade, Amabilidade, Neuroticismo, Abertura e Extroversão e o Questionário de Resistência Mental Esportiva (SMTQ) de 14 itens foram aplicados com Testes de Força, Potência e Resistência, Pearson e as correlações de Spearman foram utilizadas para verificar a associação entre IMC, testes físicos e mentais, respectivamente, p≤0.05. Nossos resultados demonstraram correlação significativa e forte entre o fator de amabilidade e o teste de abdominais, com 40,9±12,4 freq./min (r=0,72, p=0,02) e, no SMTQ, uma forte correlação entre Neuroticismo e Controle [10 (9;12) pontuação, r=0.76, p≤0,01], Constância [10(9;12) pontuação, r=0.84, p≤0,001] e total SMQT [37(34;37) pontuação, r= 0.84, p≤0,001]. Em conclusão, esses resultados sugerem que os fatores de neuroticismo estão associados à resistência mental, enquanto o fator de amabilidade está associado à capacidade de resistência muscular. Os resultados de resistência mental e resistência estão associados à personalidade dos boxeadores, cuja motivação os impulsiona implacavelmente para o sucesso e promove o sucesso em ambientes de treinamento de boxe ou durante campeonatos.

Clustering e Switching nos testes de fluência verbal em crianças do ensino fundamental I com e sem dificuldade de aprendizagem / Clustering and Switching on verbal fluency tests in elementary school children with and without learning difficulties

RESUMO Objetivo Avaliar o desempenho nos testes de Fluência Verbal Semântica e Fonêmica em relação aos componentes cognitivos de clustering e switching e explorar as mudanças no desenvolvimento no ensino fundamental. Método Participaram 68 crianças do 2º ao 5º ano do ensino fundamental I de uma escola pública do município de Santo André, divididas em dois grupos, Dificuldade de Aprendizagem (DA) e Desenvolvimento Típico (DT). Resultados Os testes de Fluência Verbal foram comparados para o número de clusters, tamanho médio dos clusters e número de switches. Todas as variáveis comparadas mostraram uma pontuação estatisticamente significante maior para o teste de Fluência Verbal Semântica. Foram realizadas as médias e desvios-padrão das mesmas variáveis para efeito de ano e grupo em ambos os testes. Foi observada diferença estatisticamente significante apenas para o número total de clusters no teste de Fluência Verbal Semântica para efeito de grupo, com o melhor desempenho do grupo DT. Observou-se correlação alta no total de acertos em ambos os testes de Fluência Verbal com o número total de clusters e número de switches. Além disso, foi observada correlação entre o total de acertos com a média de tamanho dos clusters apenas no teste de Fluência Verbal Fonêmica. A análise de regressão linear apresentou maior variância para o número total de clusters, o tornando mais preditivo para o desempenho em ambos testes de Fluência Verbal. Conclusão Os testes de Fluência Verbal podem ser sensíveis e preditivos para a identificação de possíveis diferenças no desempenho escolar associados à leitura.

ABSTRACT Purpose Evaluate the performance in the Semantic and Phonemic Verbal Fluency tests in relation to the cognitive components of clustering and switching and explore the changes in development in elementary school. Methods Participants were 68 children from the 2nd to 5th grade of elementary school of a public school in the municipality of Santo André, divided into two groups, Learning Difficulty (LD) and Typical Development (TD). Results The Verbal Fluency tests were compared for the number of clusters, mean size of the clusters, and number of switches. All variables compared showed a statistically significant higher score for Semantic Verbal Fluency. Means and standard deviations of the same variables for year and group effect were realized in both Verbal Fluency tests. A statistically significant difference was observed only for the total number of clusters in the Semantic Verbal Fluency test for group effect, with the best performance of the TD group. A high correlation was observed between the total number of correct answers with the total number of clusters and number of switches in both Verbal Fluency tests. In addition, a correlation was observed between the total number of correct answers and the mean size of the clusters only in the Phonemic Verbal Fluency. Linear regression analysis showed greater variance for the total number of clusters, making it more predictable for performance in both verbal fluency tests. Conclusion Verbal Fluency tests may be sensitive and predictive for the identification of possible differences in school performance associated with reading.

The effects of weight categories on the time-motion analysis of female high-level judo athletes between the 2016 and 2020 Olympic cycles.

This study compared the time of female judo combat phases in international competitions between two Olympic cycles (2016; 2020) according to weight divisions (48 kg = 132; 52 kg = 72; 57 kg = 109; 63 kg = 96; 70 kg = 69; 78 kg = 106; >78 kg = 82; total = 666 combats/cycle). The behaviors of 1,332 high-level female judo combats were randomly observed over two Olympic cycles (2016 = 666; 2020 = 666) from the top 20 athletes in the world ranking by weight division. We performed time-motion analysis according to the combat phase and sequential judo actions (approach, gripping, attack, defense, groundwork, pause, and effort: pause ratio) considering the moment when the combat ended (Regular time = RT; Golden score = GS). The weight division groups were compared between Olympic cycles (2016; 2020), and p < 0.05 was defined as significant. The main results showed that 2020 athletes spent less time in the gripping (p = 0.005), attack (p < 0.001), defense (p < 0.001), groundwork (p<0.001) and pause (p = 0.002) phases than 2016 athletes. However, compared by the end-of-combat, 2020 female athletes spent less time in all combat phases for RT combats (p < 0.001), and more time in the approach phase for GS combats (p < 0.05) than in 2016. The 2016 weight divisions showed a higher diversity in the effort: pause ratio (2.5:1-3.4:1), whereas the 2020 weight divisions had values closer to each other (2.8,1-3:1). Analyzing each weight division separately and by the end-of-combat, the main results showed that (p < 0.05): 48, 63, 70, and 78 kg reduced the time in almost every phase of RT combat (except for: 63 kg = gripping and attack; 70 kg = approach and groundwork; 78 kg = approach); 48 and 57 kg increased the groundwork time in GS combats whereas 78 kg decreased; 52 kg and 78 kg increased the GS approach time. The temporal behavior of the combats changed between the Olympic cycles with different rules. These data must be considered to understand the characteristics of each group and to prescribe specialized training in female judo.

Feasibility and validity of the push-up test for synchronous and asynchronous strength tele-assessment in spinal cord injury individuals with paraplegia.

OBJECTIVES: This study aimed to determine whether the synchronous and asynchronous push-up tele-assessment in individuals with spinal cord injury (SCI) is feasible and valid and to identify the relationship between the participants' self-reported asynchronous strength tele-assessment and asynchronous push-up tele-assessment. STUDY DESIGN: Cross-sectional study. METHODS: Thirty-three men and women with SCI were included in this study. The participants were assessed using the one-maximum repetition test (1RM), the maximum repetitions with 60% of 1RM (MRT) of the bench press exercise, and synchronous and asynchronous push-up tele-assessment. The videos and the total repetitions performed were recorded. The primary outcomes were 1RM, MRT, synchronous push-up tele-assessment and asynchronous volume loads, and the participants' self-reported asynchronous strength tele-assessment volume load. RESULTS: The synchronous push-up tele-assessment and asynchronous volume loads presented significant correlations with 1RM (0.73 and 0.45, p < 0.001, respectively) and MRT volume loads (0.87 and 0.66, p < 0.001, respectively). The asynchronous push-up tele-assessment presented significant correlations with the synchronous version (intraclass correlation coefficient, ICC = 0.86; 95% CI: 0.72-0.93, p < 0.001) and participants' self-reported asynchronous strength tele-assessment volume loads (ICC = 0.88; 95% CI: 0.75-0.94, p < 0.001). The difference between the synchronous push-up tele-assessment and asynchronous volume load means was 254.9 kg, and the interval around the differences was 1856.1 kg. The difference between asynchronous push-up tele-assessment and participants' self-reported asynchronous strength tele-assessment means was -239.4 kg, and the interval around these was 1884.1 kg. CONCLUSION: The synchronous push-up tele-assessment is a feasible and valid way to assess the maximum resistance strength of individuals with SCI. Although the asynchronous push-up tele-assessment demonstrated excellent and significant correlations with the synchronous push-up tele-assessment and participants' self-reported asynchronous strength tele-assessment, the test repetitions and the volume loads were underestimated by 15.5% (synchronous push-up tele-assessment vs. asynchronous) and overestimated by 17.3% (asynchronous push-up tele-assessment vs. participants' self-reported asynchronous strength tele-assessment), and the effect sizes ranged from 0.19-0.38. The authors suggest emphasizing the criteria of repetition validity to reduce test error.

Impact of different evaluation methods for diagnostic tasks in panoramic radiography / Impacto de diferentes métodos de evaluación durante el diagnóstico en la radiografía panorámica

Abstract The aim of this study was to evaluate the observers diagnostic performance in panoramic radiography using monitor, tablet, X-ray image view box, and against window daylight as a visualization method in different diagnostic tasks. Thirty panoramic radiography were assessed by three calibrated observers for each visualization method, in standardized light conditions, concerning dental caries, widened periodontal ligament space, and periapical bone defects from the four first molars; mucosal thickening and retention cysts in maxillary sinus; and stylo-hyoid ligament calcification and atheroma. A five-point confidence scale was used. The standard-reference was performed by two experienced observers. Diagnostic values using window light were significantly lower for caries and periapical bone defect and retention cyst, stylo-hyoid ligament calcification detection (p<0.05). For atheroma detection, X-ray image view box, tablet, and widow light had lower accuracy than the evaluation on the monitor (p<0.05). Observers diagnostic performances are worsened using window light as an evaluation method for panoramic radiography for dental, sinus, and calcification disorders, while the monitor was the most reliable method.

Resumen El objetivo de este estudio fue evaluar el desempeño diagnóstico de los observadores en la radiografía panorámica utilizando monitor, tablet, caja de visualización de imágenes de rayos X y contra la luz del día de la ventana como método de visualización en diferentes tareas de diagnóstico. Treinta radiografías panorámicas fueron evaluadas por tres observadores calibrados para cada método de visualización, en condiciones de luz estandarizadas, con respecto a caries dental, espacio del ligamento periodontal ensanchado y defectos óseos periapicales de los cuatro primeros molares; engrosamiento de la mucosa y quistes de retención en el seno maxilar; y calcificación y ateroma del ligamento estilohioideo. Se utilizó una escala de confianza de cinco puntos. La referencia estándar fue realizada por dos observadores experimentados. Los valores diagnósticos con luz de ventana fueron significativamente menores para caries y defecto óseo periapical y quiste de retención, detección de calcificación del ligamento estilohioideo (p <0.05). Para la detección de ateroma, la caja de visualización de imágenes de rayos X, el tablet y la luz de viuda tuvieron una precisión menor que la evaluación en el monitor (p <0.05). El rendimiento diagnóstico del observador empeora al utilizar la luz de la ventana como método de evaluación de la radiografía panorámica para los trastornos dentales, de los senos nasales y de la calcificación, mientras que el monitor fue el método más fiable.

Combat Time in International Male Judo Competitions: A Systematic Review and Meta-Analysis.

This study aimed to synthesize literature data on male judo combat time in international competitions between 2010 and 2019. The search was carried out from May 8th to June 11th, 2021, in electronic databases using the following keywords: ("technical-tactical" OR "time motion" OR "combat time") AND ("judo" OR "combat sports" OR "martial arts"). After the selection process, 8 articles were included in the systematic review and 7 in the meta-analysis. These studies analyzed 2,562 international male judo combats over the years 2010-2019. We observed that the average male judo combat time changed (2010 = 202.8; 2011-2012 = 304.8; 2016 = 237.4; 2018-2019 = 189.8 s) after each rule change (2010, 2013, 2017, and 2018). There was a significant difference between combats that ended up to the regular time and those that needed overtime (Golden Score: 2013 = 3% vs. 2018-2019 = 21%; p = 0.03). There were differences between 60 kg (p ≤ 0.019) and + 100 kg (p ≤ 0.04) categories and the others in 2011-2012. However, no significant difference was found between the combat time by weight division after the 2017 rule changes, although there are still differences in relation to the end of the combats (p < 0.001). There were significant changes in the male judo combat time with each rule change (2010, 2013, 2017, and 2018), and the data from the included studies point to a trend of homogeneity in the combat time spent between the weight divisions over the years, and an increase in the occurrence of Golden Score. More studies need to be carried out to identify the new temporal behaviors of athletes.

Honeycomb: a template for reproducible psychophysiological tasks for clinic, laboratory, and home use

Objective: To improve the ability of psychiatry researchers to build, deploy, maintain, reproduce, and share their own psychophysiological tasks. Psychophysiological tasks are a useful tool for studying human behavior driven by mental processes such as cognitive control, reward evaluation, and learning. Neural mechanisms during behavioral tasks are often studied via simultaneous electrophysiological recordings. Popular online platforms such as Amazon Mechanical Turk (MTurk) and Prolific enable deployment of tasks to numerous participants simultaneously. However, there is currently no task-creation framework available for flexibly deploying tasks both online and during simultaneous electrophysiology. Methods: We developed a task creation template, termed Honeycomb, that standardizes best practices for building jsPsych-based tasks. Honeycomb offers continuous deployment configurations for seamless transition between use in research settings and at home. Further, we have curated a public library, termed BeeHive, of ready-to-use tasks. Results: We demonstrate the benefits of using Honeycomb tasks with a participant in an ongoing study of deep brain stimulation for obsessive compulsive disorder, who completed repeated tasks both in the clinic and at home. Conclusion: Honeycomb enables researchers to deploy tasks online, in clinic, and at home in more ecologically valid environments and during concurrent electrophysiology.

Efeito das restrições no desempenho do saque do voleibol: o papel do nível de experiência / Effect of constraints on volleyball service performance: the role of the experience level

RESUMO O objetivo do estudo é investigar como o desempenho do saque do voleibol de sujeitos com diferentes níveis de experiência é influenciado pela interação de diferentes restrições. Participaram do estudo 36 voluntários do sexo masculino (16,44 ± 0,50 anos) alocados em dois grupos em função do nível de experiência. Os participantes executaram 10 tentativas do saque do voleibol em cada uma das quatro condições experimentais. Foram manipuladas uma restrição relacionada à dificuldade da meta e outra relacionada ao ambiente físico para execução da tarefa. O desempenho do saque por cima do voleibol foi avaliado por meio de uma lista de checagem do padrão de movimento e da precisão ao alvo. Os resultados demonstraram que o grupo experiente manteve o desempenho em todas as condições, enquanto o grupo inexperiente apresentou menor consistência da precisão nas condições com restrição física e pior escore do padrão de movimento na condição de maior dificuldade da meta em interação com a restrição física. O nível de experiência exerceu maior influência no desempenho do que as demais restrições. Uma possível explicação é que ela é uma restrição capaz de maximizar a forma como o sujeito explora as informações disponibilizadas pelas demais restrições.

ABSTRACT The aim of the study is to investigate how the volleyball service performance of subjects with different levels of experience is influenced by the interaction of different constraints. The study included 36 male volunteers (16.44 ± 0.50 years) allocated into two groups according to the level of experience. Participants performed 10 attempts of the serve volleyball in each of the four experimental conditions. One constraint related to the difficulty of the goal and another related to the physical environment for the execution of the task were manipulated. The performance of the overhand volleyball serve was assessed by means of a movement pattern checklist and of the accuracy to target. The experienced group maintained performance in all conditions, while the inexperienced group showed less consistency of accuracy in conditions with physical constraint and worse score of the movement pattern in the condition of greater difficulty of the goal in interaction with physical constraint. The level of experience had a greater influence on performance than the other constraints. One possible explanation is that it is a constraint capable of maximizing the way that the subject explores the information available by the other constraints

Respostas tático-técnica, física e fisiológica de atletas a pequenos jogos no basquetebol ­ uma revisão de escopo / Tactical-technical, physical, and physiological responses of athletes during basketball small-sided games ­ a scope review

Esta revisão de escopo objetivou verificar as respostas tático-técnica, física e fisiológica de atletas a pequenos jogos (PJ) de basquetebol. Utilizou-se o método Preferred Reporting Items for Systematic Reviews and Meta-Analyses ­ Extension for Scoping Reviews. Dois pesquisadores realizaram a busca eletrônica em seis bases de dados, em inglês, português e espanhol. Os critérios de inclusão foram: a) ser artigos científicos publicados em periódicos revisados por pares; b) incluir atletas de basquetebol a partir da categoria sub-12 (minibasquete), competindo em qualquer nível e c) apresentar dados relacionados à resposta física, fisiológica ou tático-técnica dos jogadores. Encontrou-se 34 estudos sobre o efeito agudo dos PJ, que investigaram, principalmente, a influência da alteração do número de jogadores, da área de jogo, da razão estímulo/pausa e das regras. Alguns estudos compararam as respostas de jogadores com diferentes características (e.g., antropométricas) aos PJ. A diminuição do número de jogadores e o aumento da área por jogador parecem aumentar as respostas física e fisiológica e o número de ações tático-técnicas individuais. Maiores durações da série de PJ e menores durações da pausa entre séries parecem aumentar a resposta fisiológica e diminuir a intensidade da resposta física dos jogadores. Diferentes regras influenciam as respostas tático-técnica, física e fisiológica. Os quatro estudos sobre os efeitos crônicos dos PJ reportaram aumentos no desempenho aeróbico, de agilidade e tático-técnico após treinamento com PJ. Os estudos indicam que os PJ elevam o desempenho físico e tático-técnico de atletas de basquetebol e que diferentes características dos PJ levam a respostas tático-técnica, física e fisiológica distintas. (AU)

This scope review aimed to verify the tactical-technical, physical, and physiological responses of basketball players during basketball smallsided games (SSG). We used the Preferred Reporting Items for Systematic Reviews and Meta-Analyses ­ Extension for Scoping Reviews. Two independent researchers searched six electronic data bases for scientific papers published in English, Portuguese, and Spanish. The inclusion criteria were: a) scientific papers published in peer-reviewed journals; b) participants should be basketball athletes belonging to the under-12 category (minibasketball) or older competing at any level; and c) present data regarding players' tactical-technical, physical, or physiological responses to basketball SSG. We found 34 studies on the SSG acute effect (acute response). These studies mainly investigated the influence of modifying the number of players per team, the playing area, the work-to-rest ratio, and the rules. Some studies compared the responses presented by players with different characteristics (e.g., anthropometrics) to the SSG. Decreases in the number of players and increases in the area per player seem to increase the physical and physiological responses and the number of individual tactical-technical actions. Longer SSG bouts and shorter rest intervals seem to increase the physiological response and decrease the intensity of the physical response. Different rules influence the tactical-technical, physical, and physiological responses. The four studies on the chronic effects of basketball SSG found increases in the aerobic, agility, and tactical-technical performances after SSG training. Studies indicate that SSG training can increase physical and tactical-technical performances of basketball athletes and that different SSG characteristics lead to distinct tactical-technical, physical, and physiological responses. (AU)

Running Performance of High-Level Soccer Player Positions Induces Significant Muscle Damage and Fatigue Up to 24 h Postgame.

This study aimed to determine the impact of a soccer game on the creatine kinase (Ck) response and recovery and the specific Global Positioning System (GPS)-accelerometry-derived performance analysis during matches and comparing playing positions. A sample composed of 118 observations of 24 professional soccer teams of the Brazil League Serie A was recruited and classified according to playing positions, i.e., Left/Right Defenders (D = 30, age: 25.2 ± 5.8 years, height: 187 ± 5.5 cm, weight: 80 ± 5.8 kg), Offensive Midfielders (OM = 44, age: 25.1 ± 0.2 years, height: 177 ± 0.3 cm, weight: 73 ± 1.2 kg), Forwards (F = 9, age: 25.1 ± 0.2 years, height: 176.9 ± 4.3 cm, weight: 74.5 ± 2.1 kg), Left/Right Wingers (M = 23, age: 24.5 ± 0.5 years, height: 175 ± 1.1 cm, weight: 74 ± 4.4 kg), and Strikers (S = 12, age: 28 ± 0.2 years, height: 184 ± 1.0 cm, weight: 80 ± 1.4 kg). Blood Ck concentration was measured pre-, immediately post-, and 24 h postgame, and the GPS-accelerometry parameters were assessed during games. Findings demonstrated that Ck concentrations were higher at all postgame moments when compared with pregame, with incomplete recovery markers being identified up to 24 h after the game (range: 402-835 U/L). Moreover, Midfielders (108.6 ± 5.6 m/min) and Forwards (109.1 ± 8.3 m/min) had a higher relative distance vs. other positions (100.9 ± 10.1 m/min). Strikers [8.2 (8.1, 9.05) load/min] and Defenders [8.45 (8, 8.8) load/min] demonstrated lower load/min than Wingers [9.5 (9.2, 9.8) load/min], Midfielders [10.6 (9.9, 11.67) load/min], and Forwards [11 (10.65, 11, 15) load/min]. These results could be used to adopt specific training programs and recovery strategies after match according to the playing positions.

Comunicación interna y desempeño laboral en profesionales sanitarios peruanos durante la pandemia COVID-19 / Internal communication and job performance in Peruvian health professionals during the COVID-19 pandemic

RESUMEN Fundamento La comunicación interna dentro de una organización garantiza que los trabajadores realicen sus actividades de manera eficaz; lo cual, en el contexto salud, se traduce en priorizar el bienestar y la calidad de vida del paciente. Objetivo determinar la relación entre la comunicación interna y el desempeño laboral en profesionales sanitarios peruanos durante la pandemia COVID-19. Métodos estudio descriptivo correlacional, realizado con la participación de 100 profesionales del departamento Materno-infantil de un hospital público de Chimbote, Perú. Se aplicaron dos instrumentos de recolección de datos mediante cuestionarios en línea de google, correspondientes a las variables comunicación interna y desempeño laboral. La información fue registrada y procesada mediante estadística descriptiva, a través de frecuencias y porcentajes. Se utilizó el programa Statistical Package for the Social Sciences versión 26, y se consideró una confiabilidad de 95 % para la correlación bivariada de Pearson. Resultados el desempeño laboral de los profesionales del departamento Materno-infantil manifestó un nivel alto (51 %), y el de comunicación interna fue medio (57 %). En el análisis por dimensiones, se encontró relación directa y significativa entre descendente y desempeño laboral, así como también entre responsabilidad y comunicación interna. Conclusión el nivel de comunicación interna fue medio, adecuado con respecto a la situación de pandemia COVID-19, y se relacionó de forma directa y significativa con el desempeño laboral en los profesionales sanitarios peruanos que participaron en el estudio.

ABSTRACT Background Rationale: Internal communication within an organization ensures that workers carry out their activities effectively; which, in the health context, translates into prioritizing the patients´ well-being and quality of life. Objective to determine the relationship between internal communication and job performance in Peruvian health professionals during the COVID-19 pandemic. Methods descriptive correlational study, carried out with the participation of 100 professionals from the maternal-infant department of a public hospital in Chimbote, Peru. Two data collection instruments were applied using online Google questionnaires, corresponding to the variables internal communication and job performance. The information was recorded and processed through descriptive statistics, through frequencies and percentages. The Statistical Package for the Social Sciences program version 26 was used, and a reliability of 95% was considered for Pearson's bivariate correlation. Results the work performance of the maternal and child department professionals showed a high level (51%), and that of internal communication was medium (57%). In the analysis by dimensions, a direct and significant relationship was found between descending and job performance, as well as between responsibility and internal communication. Conclusion the level of internal communication was medium, adequate with respect to the COVID-19 pandemic situation, and was directly and significantly related to job performance in the Peruvian health professionals who participated in the study.

Microstates in complex and dynamical environments: Unraveling situational awareness in critical helicopter landing maneuvers.

Understanding decision-making in complex and dynamic environments is relevant for designing strategies targeting safety improvements and error rate reductions. However, studies evaluating brain dynamics in realistic situations are scarce in the literature. Given the evidence that specific microstates may be associated with perception and attention, in this work we explored for the first time the application of the microstate model in an ecological, dynamic and complex scenario. More specifically, we evaluated elite helicopter pilots during engine-failure missions in the vicinity of the so called "dead man's curve," which establishes the operational limits for a safe landing after the execution of a recovery maneuver (autorotation). Pilots from the Brazilian Air Force flew a AS-350 helicopter in a certified aerodrome and physiological sensor data were synchronized with the aircraft's flight test instrumentation. We assessed these neural correlates during maneuver execution, by comparing their modulations and source reconstructed activity with baseline epochs before and after flights. We show that the topographies of our microstate templates with 4, 5, and 6 classes resemble the literature, and that a distinct modulation characterizes decision-making intervals. Moreover, the source reconstruction result points to a differential activity in the medial prefrontal cortex, which is associated to emotional regulation circuits in the brain. Our results suggest that microstates are promising neural correlates to evaluate realistic situations, even in a challenging and intrinsically noisy environment. Furthermore, it strengthens their usage and expands their application for studying cognition under more realistic conditions.

Home-based multimodal exercise program in older people with Alzheimer disease: Randomized controlled trial protocol.

BACKGROUND: At-home physical exercise may be an important intervention strategy for older people with Alzheimer disease (AD) due to the greater adherence and ease for the caregivers. PURPOSE: Determine the effects home-based multimodal exercise program in older people with AD on muscle strength, balance, functioning, cognition, dual task performance, frailty, and physical activity level. METHODS: This is a trial with 40 older people with mild and moderate AD, randomized into intervention group (IG) and control group (CG). The participants will be evaluated by blinded examiners at baseline and after 16 weeks of training. The evaluations will investigate functioning (Timed Up and Go test, Direct Assessment of Functional Status, WHO Disability Assessment Schedule, Short Physical Performance Battery, and Activities of Daily Living Questionnaire), muscle strength (manual dynamometer and Sit-to-Stand test), frailty (FRAIL Scale and Edmonton Frail Scale), cognition (Addenbrooke's Cognitive Examination, Trail Making Test, Walking Trail-Making Test, and Frontal Assessment Battery), balance (force platform, Figure-of-Eight Walking Test, Functional Reach Test, Alternate Step Test, and Calf-Raise Senior), dual task (force platform), and physical activity level (Modified Baecke Questionnaire and Life-Space Assessment). The IG will perform 16 weeks of exercise at home that involve functioning, strength, balance, and aerobic endurance in 60-min sessions three times a week. The CG will not undergo any intervention. CONCLUSION: Improvements in the aspects evaluated are expected in the IG compared to CG. The protocol will provide a theoretical basis for the creation of clinical interventions and health promotion measures for older people with AD.

Tactical rule and pitch size change the physical and technical performance of young soccer players during small-sided games / A regra tática e o formato do campo mudam o desempenho físico e técnico de jovens jogadores de futebol durante jogos reduzidos

Abstract The present study examined the effects of small-sided and conditioned games (SSCGs) manipulating tactical rules (ball-possession [BP] vs goal-scoring with goalkeepers [GS]) and pitch size (square [SP] vs rectangular [RP]) on the running performance and technical skills of young soccer players. Ten male soccer players (chronological age: 12.45 ± 0.51 years; body mass: 41.99 ± 7.97 kg; height: 152.85 ± 10.03 cm) were monitored using GPS units during SSCG formats. The distance covered at different running intensities and number of technical actions were used in analyses. SSCG-induced changes in 30 m sprint and CMJ performances were also evaluated. Compared to BP, GS elicited significantly lower distances covered at low intensity running (p=0.003; d=-0.95), more sprints (p=0.050; d=0.67), and longer distances covered in terms of walking (p=0.035; d=2.60) and sprinting (p=0.029; d=0.75); (ii) number of passes (short [p=0.002; d=1.10] and long [p=0.013; d=0.82]) were more frequent during BP than GS games, while RP game format allowed for greater occurrence of long passes (p=0.036; d=0.64) than under the SP condition; (iii) jumping and sprinting performance did not change (p>0.05) using different SSCG formats. In conclusion, GS games demand more sprint running episodes in terms of number and distance covered than BP games. In addition, RP game formats can be used to increase the occurrence of longer passes in young soccer players aged 11-13 years.

Resumo O estudo examinou os efeitos de diferentes jogos reduzidos e condicionados (JRC): manipulando as regras táticas (posse de bola (BP) vs. marcar gols com goleiro (GS)) e o formato do campo (quadrado vs. retangular) sobre o desempenho físico e técnico em jovens jogadores de futebol. Dez jogadores do sexo masculino (idade: 12,45 ± 0,51 anos; massa corporal: 41,99 ± 7,97 kg; altura: 152,85 ± 10,3 cm) foram monitorados através do sistema de posicionamento global e os JRC gravados em vídeo. A distância percorrida em diferentes intensidades e o número de ações técnicas para os 4 diferentes JRC foram usadas para análise. O efeito dos JRC sobre o desempenho no teste de sprints de 30 m e altura do salto vertical também foram analisadas. Os JRC para GS provocaram distâncias significativamente menores em corrida de baixa intensidade (p=0.003; d=-0.95) e mais sprints (p=0.050; d=0.67) e maiores distâncias caminhando (p=0.035; d=2.60) e em sprint (p=0.029; d=0.75) comparado ao BP; (ii) o número de passes (curtos [p=0.002; d=1.10] e longos [p=0.013; d=0.82]) é maior nos JRC de BP que GS. O formato retangular permite maior ocorrência de passes longos que o modelo quadrado (p=0.036; d=0.64); (iii) o desempenho de salto vertical e velocidade não mudou (p>0.05) após os JRC. Concluindo, ações envolvendo sprints em número e distância são maiores no JRC com GS comparado ao BP, enquanto que JRC de BP favorecem o desenvolvimento do passe. Por fim, o campo retangular com BP estimula a realização de passes mais longos em jovens jogadores.

Comparisons of Motor Actions and Biomechanical Assessments of Judo Techniques Between Female Weight Categories.

This study aimed to perform motor action and biomechanical analysis of techniques in female judo athletes separated by weight categories of 638 female bouts (103 extra lightweight <48 kg, 140 half lightweight 48>52 kg, 65 lightweight 52>57 kg, 73 half middleweight 57>63 kg, 77 middleweight 63>70 kg, 80 half heavyweight 70>78 kg and 60 heavyweight >78 kg). All bouts were analyzed following the phases of approach, gripping, defensive action, attack, also biomechanical analysis of techniques and groundwork was performed (p ≤ .05). Results indicated that lightweight athletes presented lower attempts to grip, right collar grip and left collar grip frequencies than other categories. Extra lightweight judokas presented lower right back grip and left back and sleeve grip frequencies as well as lower occurrence of techniques with arm and leg lever scored than half lightweight athletes, while half lightweight athletes demonstrated higher frequency of techniques with waist lever variable scored than lightweight ones. These findings should be considered for training prescription.