Abstract
Introduction: The aim of the study is to evaluate the coordination similarity ratio of involvement of selected muscles (m. pectoralis major; m. latissimus dorsi; m. obliquus externus abdominis; m. triceps brachii) during the crawl swimming cycle as a target movement with imitation movement act. The research set comprised 16 elite swimmers specializing in crawl sprint tracks. Methods: The key research method was surface electromyographic analysis synchronized with video recording. The study was based on a quantitative description of electromyographic recordings of the observed movement acts. The research study has the character of an intra-individual and inter-individual comparative analysis of the coordination characteristics of the movement system. This is a sequential triangulation of a quantitative-qualitative approach and an intragroup case study with an experimental way of obtaining data. Results: Muscle activation of selected muscles during the crawl did not show a significant difference in effect size compared to the imitation movements on the Biokinetic swimming simulator.
Highlights
The aim of the study is to evaluate the coordination similarity ratio of involvement of selected muscles (m. pectoralis major; m. latissimus dorsi; m. obliquus externus abdominis; m. triceps brachii) during the crawl swimming cycle as a target movement with imitation movement act
The description of muscle behaviour is always based on the graphs of the course of the EMG signal in an average movement cycle obtained in all three measurement types in the following order – the aquatic environment, the Biokinetic swimming simulator
Musculus latissimus dorsi On the basis of semi-automatic analysis, it is possible to observe the activation of m. latissimus dorsi in the swimming cycle in the aquatic environment in most probands in the stroke phase
Summary
The aim of the study is to evaluate the coordination similarity ratio of involvement of selected muscles (m. pectoralis major; m. latissimus dorsi; m. obliquus externus abdominis; m. triceps brachii) during the crawl swimming cycle as a target movement with imitation movement act. The research study has the character of an intra-individual and inter-individual comparative analysis of the coordination characteristics of the movement system. This is a sequential triangulation of a quantitative-qualitative approach and an intragroup case study with an experimental way of obtaining data. Many of the current publications highlight the significance of performance competences in individual sports [1,2,3,4] In this context, emphasis is placed on the use of specific training and diagnostic means. The success of the best swimmers depends on balanced training using state-of-the-art means, specific training stimuli and diagnostic tools One of such tools is kinesiological analysis, which makes it possible to specify intra-muscular and inter-muscular co-ordinations of a specific locomotion movement
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