Hurdle Race in Early Education – 10 Weeks of Arts and Physical Activities

Iskra, Janusz; Walaszczyk, Anna; Przednówek, Karolina H.

doi:10.20319/pijss.2017.32.20962108

Cited by 2 publications

(4 citation statements)

References 7 publications

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“…Similar conclusions were drawn by Iskra [26] by examining the correlation between the sports level of 400-metres hurdles and the size of training loads. He showed that the previously mentioned training means are characterized by a lack or a very small dependence of the final result for the 400-metres hurdles at a selected stage of the annual cycle.…”

Section: Discussionsupporting

confidence: 84%

“…The eliminated training means included: technical and speed exercises, pace runs, general strength of lower limbs, directed strength of lower limbs, technical exercises – running pace, and runs over 4-7 hurdles (Table 1). All these training means belong to the “target” groups [26]. The results of the analysis confirm the views of researchers of competitive sports, claiming that in highly qualified training these exercises should be limited and the focus should be placed on special training.…”

Section: Discussionsupporting

confidence: 58%

“…As has been demonstrated in numerous studies the final result is influenced by different factors including coordination capacity, techniques of jumping hurdles and its specific rhythm [26, 27, 28, 29]. All these aspects are important, yet, the results obtained in this paper suggest that the development of a sports result is not directly dependent on the variables BMI and a variable representing the period of special preparation.…”

Section: Discussionmentioning

confidence: 58%

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Regression shrinkage and neural models in predicting the results of 400-metres hurdles races

et al. 2016

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This study presents the application of regression shrinkage and artificial neural networks in predicting the results of 400-metres hurdles races. The regression models predict the results for suggested training loads in the selected three-month training period. The material of the research was based on training data of 21 Polish hurdlers from the Polish National Athletics Team Association. The athletes were characterized by a high level of performance. To assess the predictive ability of the constructed models a method of leave-one-out cross-validation was used. The analysis showed that the method generating the smallest prediction error was the LASSO regression extended by quadratic terms. The optimal model generated the prediction error of 0.59 s. Otherwise the optimal set of input variables (by reducing 8 of the 27 predictors) was defined. The results obtained justify the use of regression shrinkage in predicting sports outcomes. The resulting model can be used as a tool to assist the coach in planning training loads in a selected training period.

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Section: Discussionsupporting

confidence: 84%

Section: Discussionsupporting

confidence: 58%

Section: Discussionmentioning

confidence: 58%

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Regression shrinkage and neural models in predicting the results of 400-metres hurdles races

et al. 2016

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“…The pace distribution over this distance depends mainly on the special endurance predispositions (Hanon and Thomas, 2011;Iskra et al, 2017;Vazel, 2011), directly related to anaerobic changes and blood lactate concentrations (Gefen et al, 2002). In terms of training theory, special endurance describes efforts with a submaximal and maximum intensity in 90-98% of the runner's abilities and running sections from 300 to 600 m with optimal rest periods (Gorostiaga et al, 2010;Iskra et al, 2016). The application of the training load depends mainly on the period of the annual training cycle (Warden and Britain, 1988).…”

Section: Introductionmentioning

confidence: 99%

Kinematics of Two Special Endurance Trials: A Methodological Contribution to 400-m Performance

Mackala,

Omelko,

Mroczek

et al. 2024

Journal of Human Kinetics

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This study aimed to determine changes in the kinematics of sprint steps based on progressive muscular fatigue during high-intensity 350-m and 500-m trials. Twelve elite healthy male 400-m sprinters with a minimum of six years of regular sprint training experience were recruited. They were divided into two groups for the experiment: a 350-m and a 500-m trial group. Time and kinematics of sprinting step motion for specific segments, i.e., starting to final stages of each trial, were obtained using the Opto Jump-Microgate optical measurement system. The starting phase of each sprint was defined as the section without muscular fatigue (noF), and the final phase was the sprint under muscular fatigue (onF). Each last 25 m of the 50-m evaluated section containing ten complete running steps was selected for detailed statistical analysis. Various patterns of temporal and spatial variables of sprinting efforts were observed between 350-m and 500-m trials. Each trial result was influenced by significant individual changes (p < 0.05). All variables indicated that the two distances differed significantly in terms of running kinematics. This was confirmed by significant differences in the mean step frequency (p < 0.001), which presented a difference of 11.75%, and the mean step speed (p < 0.001). As a result of these changes, a hierarchical intermittent endurance training pattern was defined. The research concluded that special endurance (intermittent sprints) based on 350 m differed significantly in kinematics from sprints over 500 m. Therefore, it should be assumed that the distance of 350 m is more similar in its kinematics to the 400-m competition. This should encourage coaches and athletes to apply a 350-m distance in training developing special endurance, especially in the pre-competitive and competitive periods.

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Hurdle Race in Early Education – 10 Weeks of Arts and Physical Activities

Abstract: Research objectives. Hurdling (in sport = hurdle run, in

Cited by 2 publications

References 7 publications

Regression shrinkage and neural models in predicting the results of 400-metres hurdles races

Regression shrinkage and neural models in predicting the results of 400-metres hurdles races

Kinematics of Two Special Endurance Trials: A Methodological Contribution to 400-m Performance

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