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ABSTRACT Introduction Joint injuries are a common problem in aerobic gymnastic athletes due to the particularities of this sport. Therefore, the method of controlling and preventing joint injuries in athletes has become an important focus of current research. Objective Study a post-training prevention protocol for joint injuries in aerobic gymnasts. Methods The experiment lasted 8 weeks, in which 10 athletes from the control group performed a traditional stretching recovery protocol. In contrast, the experimental group performed rehabilitation training through previously defined suspension training. The stability and flexibility of the athletes' lumbar and ankle joints were recorded and compared before and after the beginning of the experimental training. Results The suspension training proposed in this paper can optimize the static balance parameters of the athletes' joints, improving stability and promoting joint injury control. Conclusion The scheme proposed in this paper may help athletes to control joint injuries, improve dysfunction of the musculoskeletal system, reduce interference from sports injuries, and help them to perform better in the field. Level of evidence II; Therapeutic studies - investigating treatment outcomes.
RESUMO Introdução Danos articulares são um problema comum nos atletas de ginástica aeróbica devido às particularidades desse esporte. Portanto, o método de controle e prevenção de lesões articulares dos atletas tornou-se um foco importante das pesquisas atuais. Objetivo Estudar um protocolo de prevenção pós-treino para lesões articulares em ginastas aeróbicas. Métodos O experimento durou 8 semanas, nas quais 10 atletas do grupo de controle executaram um protocolo de recuperação por alongamento tradicional, enquanto o grupo experimental realizou o treinamento de reabilitação através de um treino com suspensão previamente definido. A estabilidade e flexibilidade das articulações lombares e tornozelos dos atletas foram registradas e comparadas antes e depois do início do treinamento experimental. Resultados O treinamento em suspensão proposto neste trabalho pode otimizar os parâmetros de equilíbrio estático das articulações dos atletas, melhorando a estabilidade e promovendo o controle das lesões articulares. Conclusão O esquema proposto neste trabalho pode ajudar os atletas a controlarem as lesões articulares, melhorar a disfunção do sistema musculoesquelético, reduzir a interferência de lesões esportivas e ajuda-los a obter um desempenho melhor em campo. Nível de evidência II; Estudos terapêuticos - investigação dos resultados do tratamento.
RESUMEN Introducción Las lesiones articulares son un problema común en los atletas de gimnasia aeróbica debido a las particularidades de este deporte. Por lo tanto, el método de control y prevención de las lesiones articulares en los deportistas se ha convertido en un importante foco de investigación actual. Objetivo Estudiar un protocolo de prevención post-entrenamiento de lesiones articulares en gimnastas aeróbicos. Métodos El experimento duró 8 semanas, en las que 10 atletas del grupo de control realizaron un protocolo de recuperación mediante estiramientos tradicionales, mientras que el grupo experimental realizó un entrenamiento de rehabilitación mediante un entrenamiento en suspensión previamente definido. Se registraron y compararon la estabilidad y la flexibilidad de las articulaciones lumbares y del tobillo de los atletas antes y después del inicio del entrenamiento experimental. Resultados El entrenamiento en suspensión propuesto en este trabajo puede optimizar los parámetros de equilibrio estático de las articulaciones de los deportistas, mejorando la estabilidad y favoreciendo el control de las lesiones articulares. Conclusión El esquema propuesto en este trabajo puede ayudar a los deportistas a controlar las lesiones articulares, mejorar la disfunción del sistema musculoesquelético, reducir la interferencia de las lesiones deportivas y ayudarles a obtener un mejor rendimiento en el campo. Nivel de evidencia II; Estudios terapéuticos - investigación de los resultados del tratamiento.
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@#Objective To analyze the current status and influencing factors of job competence of clinical nursing teachers. Methods A total of 673 clinical nursing teachers from 35 second-level and above hospitals in Anhui Province were selected as research subjects using convenient sampling method. Their job competence was evaluated using the Clinical Nursing Teacher Post Competency Evaluation Scale. Results The score of job competence of clinical nursing teachers was 87.1±9.7. The results of multiple linear regression analysis showed that with the increase of service length and clinical teaching years，the job competence score of clinical nursing teachers increased（all P<0.05）. For those who thought the higher the satisfaction with the teaching atmosphere of the hospital，the hospital teaching training can meet their requirements and the higher the willingness to accept the teaching training，the higher their job competence score（all P<0.05）. Conclusion There is still much room for improvement in job competence of clinical nursing teachers in Anhui Province. The length of service，clinical teaching years， hospital teaching atmosphere，teaching training meeting demand，and willingness to accept clinical teaching training are the influencing factors of job competence of clinical nursing teachers.
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Ischemic stroke leads to high potentiality of mortality and disability.The current treatment for ischemic stroke is mainly focused on intravenous thrombolytic therapy.However,ischemia/reperfusion induces neuronal damage,which significantly influences the outcome of patients with ischemic stroke,and the exact mechanism implicated in ischemia/reperfusion injury remains unclear,although evidence shows that oxidative stress is likely to be involved.Betulinic acid is mainly known for its anti-tumor and anti-inflammatory activities.Our previous study showed that betulinic acid could decrease the reactive oxygen species (ROS) production by regulating the expression of NADPH oxidase.Thus,we hypothesized that betulinic acid may protect against brain ischemic injury in the animal model of stroke.Focal cerebral ischemia was achieved by using the standard intraluminal occlusion method and reperfusion enabled after 2 h ischemia.Neurological deficits were scored.Infarct size was determined with 2,3,5-triphenyltetrazolium chloride monohydrate (TTC) staining and the mRNA expression of NADPH oxidase 4 (NOX4) was determined by RT-PCR in infarct tissue.ROS generation and apoptosis in ischemic tissue were analyzed by measuring the oxidative conversion of cell permeable 2',7'-dichloro-fluorescein diacetate (DCF-DA) to fluorescent dichlorofluorescein (DCF) in fluorescence microplate reader and TUNEL assay,respectively.In Kunming mice,2 h of middle cerebral artery (MCA) occlusion followed by 24 or 72 h of reperfusion led to an enhanced NOX4 expression in the ischemic hemisphere.This was associated with elevated levels of ROS generation and neuronal apoptosis.Pre-treatment with betulinic acid (50 mg/kg/day for 7 days via gavage) prior to MCA occlusion prevented the ischemia/reperfusion-induced up-regulation of NOX4 and ROS production.In addition,treatment with betulinic acid could markedly blunt the ischemia/reperfusion-induced neuronal apoptosis.Finally,betulinic acid reduced infarct volume and ameliorated the neurological deficit in this stroke mouse model.Our results suggest that betulinic acid protects against cerebral ischemia/reperfusion injury in mice and the down-regulation of NOX4 may represent a mechanism contributing to this effect.