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      PHYSICAL FITNESS IMPROVEMENTS IN FEMALE VOLLEYBALL PLAYERS Translated title: APRIMORAMENTOS DA APTIDÃO FÍSICA NAS JOGADORAS DE VOLEIBOL Translated title: MEJORAS EN LA CONDICIÓN FÍSICA DE LAS JUGADORAS DE VOLEIBOL

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          Abstract

          ABSTRACT Introduction: Volleyball is a competitive sport demanding the athlete's excellent physical fitness because the execution of its movements requires flexibility and agility. Objective: Analyze the effects of a specific training protocol on physical fitness at a competitive level on volleyball players. Methods: This paper selects 12 female volleyball players as volunteers for research subjects. The athletes’ agility quality was examined for intellectual efficiency, psychological susceptibility, and flexibility, among other indicators. The mathematical statistical analysis program SPSS13.0 was used to analyze and process female volleyball players’ sensitivity and characteristics of fitness quality. Results: The responsiveness of Chinese female volleyball players is mainly reflected in athletes’ intellectual agility and kinetic adaptations. The characteristics of technology for protection are practical, diverse, and economical. Transmission technology is characterized by high speed and quick thinking. The sensitivity and quality of the volleyball players are high. Conclusion: The sensitivity of volleyball players is produced in response to changes in the sports court environment. The use of various tactics and auxiliary equipment in volleyball will cause changes in the court situation. The quality of sensitivity is critical in the physical training of volleyball players. Level of evidence II; Therapeutic studies - investigation of treatment outcomes.

          Translated abstract

          RESUMO Introdução: O voleibol é um esporte de competição, exigindo dos atletas uma excelente condição física pois a execução de seus movimentos requere flexibilidade e agilidade. Objetivo: Analisar os efeitos de um protocolo específico de treino sobre a aptidão física em nível competitivo sobre os jogadores de voleibol. Métodos: Este artigo seleciona 12 jogadoras de voleibol como voluntárias para objetos de pesquisa. Examinou-se a qualidade da agilidade das atletas para avaliação da eficiência intelectual, suscetibilidade psicológica, flexibilidade, entre outros indicadores. Utilizou-se o programa de análise estatística matemática SPSS13.0 para analisar e processar a sensibilidade e características da qualidade da aptidão física sobre as jogadoras de voleibol. Resultados: A capacidade de reação das jogadoras chinesas no vôlei feminino reflete-se principalmente na agilidade intelectual e nas adaptações cinéticas das esportistas. As características de tecnologia para proteção são práticas, diversificadas e econômicas. A tecnologia de transmissão é caracterizada pela alta velocidade e raciocínio rápido. A sensibilidade e qualidade das jogadoras de voleibol são altas. Conclusão: A sensibilidade dos jogadores de voleibol é produzida em resposta às mudanças no ambiente da quadra esportiva. O uso de várias táticas e equipamentos auxiliares no voleibol provocará alterações da situação na quadra. A qualidade da sensibilidade é crítica no treinamento físico das jogadoras de voleibol. Nível de evidência II; Estudos terapêuticos - investigação dos resultados do tratamento.

          Translated abstract

          RESUMEN Introducción: El voleibol es un deporte de competición, que exige de los atletas una excelente aptitud física porque la ejecución de sus movimientos requiere flexibilidad y agilidad. Objetivo: Analizar los efectos de un protocolo de entrenamiento específico sobre la aptitud física a nivel competitivo en jugadores de voleibol. Métodos: En este trabajo se seleccionan 12 jugadoras de voleibol como voluntarias para los objetos de la investigación. Se examinó la calidad de la agilidad de los atletas para evaluar la eficiencia intelectual, la susceptibilidad psicológica, la flexibilidad, entre otros indicadores. Se utilizó el programa de análisis estadístico SPSS13.0 para analizar y procesar la sensibilidad y las características de la calidad de la aptitud física en las jugadoras de voleibol. Resultados: La capacidad de respuesta de las jugadoras de voleibol chinas se refleja principalmente en la agilidad intelectual y las adaptaciones cinéticas de las atletas. Las características de la tecnología para la protección son prácticas, diversas y económicas. La tecnología de transmisión se caracteriza por su alta velocidad y rapidez de reacción. La sensibilidad y la calidad de los jugadores de voleibol son altas. Conclusión: La sensibilidad de los jugadores de voleibol se produce en respuesta a los cambios en el entorno de la pista deportiva. El uso de diversas tácticas y equipos auxiliares en el voleibol provocará cambios en la situación de la cancha. La calidad de la sensibilidad es fundamental en la formación física de los jugadores de voleibol. Nivel de evidencia II; Estudios terapéuticos - investigación de los resultados del tratamiento.

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          The science and engineering behind sensitized brain-controlled bionic hands

          Advances in our understanding of brain function, along with the development of neural interfaces that allow for the monitoring and activation of neurons, have paved the way for brain machine interfaces (BMI), which harness neural signals to reanimate the limbs via electrical activation of the muscles, or to control extra-corporeal devices, thereby bypassing the muscles and senses altogether. BMIs consist of reading out motor intent from the neuronal responses monitored in motor regions of the brain and executing intended movements using bionic limbs, reanimated limbs, or exoskeletons. BMIs also allow for the restoration of the sense of touch by electrically activating neurons in somatosensory regions of the brain, thereby evoking vivid tactile sensations and conveying feedback about object interactions. In this review, we discuss the neural mechanisms of motor control and somatosensation in able-bodied individuals and describe approaches to use neuronal responses as control signals for movement restoration and to activate residual sensory pathways to restore touch. While the focus of the review is on intracortical approaches, we also describe alternative signal sources for control and non-invasive strategies for sensory restoration.
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            Diet Quality, Carotenoid Status, and Body Composition in NCAA Division I Athletes.

            Objectives: In this paper, we examined diet quality and associations between changes in skin carotenoids and body composition among selected NCAA Division I athletes. Methods: Athletes from women's (rowing, swimming, gymnastics) and men's (swimming, wrestling) teams at a large Midwest university (N = 129) completed one online food frequency questionnaire and 2 in-person visits, once in-season and once out-of-season, to assess skin carotenoids and body composition. Diet quality was assessed via Healthy Eating Index-2015 (HEI). Carotenoids were measured via resonance Raman spectroscopy and body composition via dual-energy x-ray absorptiometry. ANOVA and Pearson correlations were used to test differences between teams and determine association between changes from in-season to out-of-season. Results: Mean HEI score for all athletes was 71.0. Women's rowing reported the highest diet quality (73.5), men's wrestling lowest (56.5). Skin carotenoids decreased for all teams, except men's wrestling, from in-season to out-of-season. Body fat percentage increased for women and decreased for men. There was a moderate inverse association between changes in skin carotenoids and body fat percentage (r = -.334, p = .001). Conclusions: Suboptimal diet quality coupled with decreases in skin carotenoids and increases in body fat percentage from in-season to out-of-season may justify dietitian-led interventions year-round to improve dietary patterns in collegiate athletes.
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              The Impact of Internal Compensatory Mechanisms on Musculoskeletal Pain in Elite Polish Sitting Volleyball Players – a Preliminary Study

              The purpose of the study was to evaluate the impact of (1) maximal muscular strength of the upper body and (2) fat mass on musculoskeletal pain and sagittal spinal curvature deviations in elite Polish sitting volleyball players. The study examined twelve players (age = 35.4 ± 6.9 years). The assessments were performed based on objective (anthropometric examinations, Medi Mouse, 1RM test) and subjective (NMQ = 7) measurements. All statistical analyses were performed using the SPSS. The lower back, the upper back and the neck were the most frequent painful areas. Statistical analyses showed a significant relationship between lumbar lordosis (LL) sagittal standing extension (r = 0.62; p = 0.03) and thoracic kyphosis (TK) sagittal standing flexion (r = -0.63; p = 0.28) with the 1RM. Furthermore, correlations between a body adiposity index and TK sagittal standing flexion and extension (r = -0.65; p = 0.05, r = - 0.58; p = 0.0.05) as well as LL sagittal standing flexion (r = 0.61; p = 0.05) were found. The body mass index correlated with wrist pain, whereas a very high relationship was found between pain in the wrists and knee joints. Neck pain positively correlated with TK and LL sagittal standing. Low back pain correlated with LL sagittal standing flexion and TK sagittal standing extension. Fat mass impacts the depth of anteroposterior spinal curvatures, what may cause pain in the neck and the lower back. The 1 RM bench press may influence the prevalence and location of musculoskeletal pain, whereas its values might be predicted by the depth of TK. A lower 1RM in the bench press may impact sagittal spinal curvature deviations. Deepen TK and LL significantly contribute to the prevalence of the neck pain.
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                Author and article information

                Journal
                rbme
                Revista Brasileira de Medicina do Esporte
                Rev Bras Med Esporte
                Sociedade Brasileira de Medicina do Exercício e do Esporte (São Paulo, SP, Brazil )
                1517-8692
                1806-9940
                2023
                : 29
                : e2022_0612
                Affiliations
                [2] Kunming orgnameYunnan University of Finance and Economics orgdiv1Department of Physical Education China
                [1] Kunming orgnameYunnan Polytechnic College China
                Article
                S1517-86922023000100996 S1517-8692(23)02900000996
                10.1590/1517-8692202329012022_0612
                15ec3442-3ad1-4aad-b50d-8a52d682d679

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

                History
                : 25 November 2022
                : 31 October 2022
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 13, Pages: 0
                Product

                SciELO Brazil

                Categories
                Original Article

                Aptitud Física,Educación y Entrenamiento Físico,Voleibol,Aptidão Física,Educação Física e Treinamento,Physical Fitness,Physical Education and Training,Volleyball

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