A COMPARATIVE ANALYSIS OF BIOMECHANICAL AND ELECTROMYOGRAPHIC INDICATORS DURING FUNCTIONALLY SIGNIFICANT TIME INTERVALS OF THE BENCH PRESS EXERCISE IN ATHLETES WITH MUSCULOSKELETAL DISORDERS

DOI: https://doi.org/10.14529/hsm190213
Keywords: powerlifting, athletes with musculoskeletal disorders, barbell acceleration and deceleration, kinematic, dynamic and electromyographic indicators

Abstract

Aim. The article deals with the analysis of kinematic, dynamic, and electromyographic indicators in the selected periods and phases in athletes with musculoskeletal disorders. Materials and Methods. 24 highly-skilled and low-skilled athletes participated in the study. The bench press exercise was performed with the weight of 40, 80 and 90% of maximum weight. The analysis of dynamic indicators was conducted by using hardware and software complex in the area of the upper shoulder girdle and pelvis. Barbell trajectory, its speed, and acceleration were calculated with the help of video analysis. Electromyograms of symmetrical muscles were registered synchronously: M. pectoralis major, dexter et sinister; M. triceps brachii, dexter et sinister.
Results. In highly-skilled athletes, barbell acceleration which followed after holding a barbell on the chest was accompanied by the increase of both speed and acceleration. During barbell deceleration, both speed and acceleration were negative and returned to initial values. In low-skilled athletes, the same indicators decreased significantly. Barbell acceleration corresponded with a maximum electrical activity of M. pectoralis major, dexter et sinister, while barbell deceleration coincided with M. triceps brachii, dexter et sinister. Conclusion. A comprehensive analysis of the bench press exercise indicators allows controlling and correcting sports technique.

Author Biographies

A. Trembach , Kuban State University of Physical Education, Sport and Tourism, Krasnodar, Russian Federation

Doctor of Biological Sciences, Professor, Head of the Scientific and Practical Center for Neurobiology, Professor of the Department of Adaptive Physical Culture, Kuban State University of Physical Culture, Sport and Tourism. 350015, Krasnodar

I. Fedorova , Kuban State University of Physical Education, Sport and Tourism, Krasnodar, Russian Federation

Lecturer at the Department of Adaptive Physical Culture, Kuban State University of Physical Culture, Sports and Tourism. 350015, Krasnodar

T. Ponomareva , Kuban State University of Physical Education, Sport and Tourism, Krasnodar, Russian Federation

Candidate of Biological Sciences, Dean of the Faculty of Adaptive and Recreational Physical Culture, Kuban State University of Physical Culture, Sport and Tourism. 350015, Krasnodar

E. Minikhanova , Kuban State University of Physical Education, Sport and Tourism, Krasnodar, Russian Federation

Master student, senior laboratory assistant of the department of adaptive physical culture, Kuban State University of Physical Culture, Sport and Tourism. 350015, Krasnodar

O. Popova , Kuban State University of Physical Education, Sport and Tourism, Krasnodar, Russian Federation

Lecturer at the Department of Adaptive Physical Culture, Kuban State University of Physical Culture, Sports and Tourism. 350015, Krasnodar

References

References on translit

Published
2019-07-13
How to Cite
Trembach, A., Fedorova, I., Ponomareva, T., Minikhanova, E., & Popova, O. (2019). A COMPARATIVE ANALYSIS OF BIOMECHANICAL AND ELECTROMYOGRAPHIC INDICATORS DURING FUNCTIONALLY SIGNIFICANT TIME INTERVALS OF THE BENCH PRESS EXERCISE IN ATHLETES WITH MUSCULOSKELETAL DISORDERS. Human. Sport. Medicine, 19(2), 101-109. https://doi.org/10.14529/hsm190213
Issue
Vol 19 No 2 (2019)
Section
Rehabilitation and sports medicine

Copyright (c) 2019 Human. Sport. Medicine

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