The Effects of Different Types of Verbal Feedback on Learning a Complex Movement TaskIntroduction. The aim of the study was to assess the efficiency of learning complex movement tasks with the use of different types of verbal feedback. Material and methods. Thirteen students randomly assigned to two groups (E&P=7; P=6) took part in the study. Results. In learning a movement task verbal information on errors and correctness (E&P) was more efficient than verbal information on correctness (P). Conclusion. At early stages too much information hinders the process of learning.
Introduction. The aim of this study was to investigate the effect of learning a complex gymnastic routine with different frequencies of externally imposed and self-controlled model demonstration. Material and Methods. Thirty undergraduate physical education (PE) students were randomly assigned to 3 groups: G100 (100% frequency), GS (self-controlled frequency) and GC (control group). Each participant from groups G100 and GS performed 150 trials of a complex gymnastic routine during 10 practice sessions. The learning effect was evaluated on the basis of the mean absolute error value and measured during pre-acquisition (baseline), acquisition (practice sessions) and post-acquisition (retention and transfer tests) phases. Results. It was revealed that observational learning with self-controlled and high externally imposed frequency of model demonstration proved to be equally effective. The differences were found during the acquisition phase only. The self-controlled group achieved higher outcomes than the externally imposed group. Conclusions. This study indicates that performance during practice sessions does not always reflect the permanency and adaptability of the motor skill learning process.
Preliminary studies have reported that motor control is negatively impacted following an infection of COVID-19. The purpose of this study was to evaluate the effect of COVID-19 on maintaining balance in highly skilled athletes. As part of a larger investigation that was initiated in 2019, twelve professional handball players were recruited to participate in a study that was designed to measure static balance performance. Following the initial pre-test, six participants (body height 184.8 ± 4.7 cm; body weight 85.5 ± 3.3 kg; age 21.3 ± 1.2 years) were infected with COVID-19. The remaining six participants (body height 188.7 ± 2.6 cm; body weight 92.3 ± 3.7 kg; age 26.3 ± 3.3 years) never tested positive for COVID-19 and were presumably not infected with the virus. The experimental design required all the participants to complete an initial balance assessment (pre-test) and a later balance assessment (post-test). To fully analyze our data, we conducted a 2 (condition: COVID, no-COVID) X 2 (test: pre-test, post-test) ANOVA with repeated measures on the second factor. Our analysis revealed that the skilled athletes who contracted COVID-19 had a significant decrease in balance performance from the pre-test that occurred prior to being infected with COVID-19 relative to the post-test that occurred following the COVID-19 infection. Additionally, the skilled athletes who were not infected with COVID-19 did not demonstrate the same deterioration in balance performance in the same period. This study highlights the impact COVID-19 has on static balance performance in a group of highly skilled handball players. Longitudinal studies are needed to fully understand the lasting impacts COVID-19 has on motor behavior.
Introduction. A proper manner of maintaining body balance in handstand requires high levels of motor and coordination skills and, first and foremost, specialist training. Therefore, this study sought to determine the effects of surface type on body balance strategies in handstand. Material and Methods. The study included twelve Polish National Team artistic gymnasts with training experience of 16.5 ± 2.12 years. Pedagogical experiment was used as the research method. Body balance assessment of gymnasts was carried out using three tests on different types of the surface. In the first test, the study participants performed handstand on the hard surface. The second one involved executing handstand on canes, whereas the third test consisted in performing handstand on the soft surface. Results. An increase in ground reaction forces (Fx, Fy) was noted in the handstand tests performed on canes (SNS) and on the soft surface (SNA). Conclusions. The analysis revealed that the surface type exerts an influence on the effectiveness of balance control. The findings may constitute the source of knowledge for athletes and coaches about changing conditions of maintaining a stable position when performing handstand during gymnastic training.
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