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EN
Background: The study aimed to assess the occurrence of fatigue and overtraining in spinning instructors based on subjective feeling (a questionnaire) and the expression of selected genes (IL6, IL10 and NF-kB mRNA). Material/Methods: Two research methods were used in the study: a subjective assessment in the form of a survey and an objective evaluation of the expression of genes related to the cellular stress response. The survey involved a group of 12 female spinning instructors 24–32 years old. Five subjects (mean age 26.4 years) agreed to have a blood sample taken for genetic analyses. The control group comprised four physically active women (mean age 25.5 years). For genetic analyses, two ml of venous blood were taken in the morning hours after a night’s rest. The relative evaluation of gene expression was performed using real-time quantitative PCR. Results: According to the questionnaire declarations, the instructors feel overtraining. It was observed that the concentration of the transcription factor NF-kB in peripheral blood at rest was significantly lower (p˂0.05) in the study group compared to the control one. The measurement of the IL6 encoding gene expression significantly differed (p˂0.05) between the two groups. In the case of the pro-inflammatory cytokine IL10, there were no significant differences between the two groups. Conclusions: According to the questionnaire declarations, spinning instructors feel overtraining, but simultaneously they are very well adapted to physical effort, which was confirmed by the analysis of the expression of genes related to the cellular stress response.
EN
Background: The purpose of the research was to check opinions of students of various stages of education in the Pomeranian province about the attractiveness of Nordic Walking in comparison with other activities. Material/Methods: About 500 intentionally selected students participated in the survey. These were students of 11-18 years of age. Half of them participated in Nordic walking PE lessons. The researched students’ schools were localized in the Pomeranian province in Poland. Methods of a diagnostic survey using two questionnaires were applied. The first one was used to assess the level of students’ physical activity and was also used to research health behaviours of children and adolescents in Europe (HBSC). The second one – our own – was created to asses the attractiveness of Nordic walking. In the first part, the subjects ranked Nordic walking in comparison with other forms of physical activity. In the second part, they declared eagerness to attend such lessons. Results: The collected data imply a vast diversity of students’ opinions about the attractiveness of Nordic walking in comparison with other forms of physical activity and indicate the need to do research in the area of students’ preferences in planning PE lessons at school. Conclusions: It seems that in subsequent years of education, NW will gain followers among this group because it is a natural form of movement, whose health effects are starting to be seen not only by teachers but also by students.
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