Abstract
Purpose: to reveal the fighting style of veteran boxers based on the individual factor structure of psychophysiological and biomechanical indicators.
 Material and methods. The study involved 42 qualified veteran boxers (aged 45-50). A biomechanical analysis of the indicators of the movement speed of various points and the values of the joint angles while performing a direct blow by boxers has been used as a research method. The psychophysiological method has been used to determine the time of a simple and complex reaction under standard conditions and in various testing modes. Descriptive Statistics and Factor Analysis have been applied as methods of statistical analysis.
 Results. Two main factors have been identified in the structure of the complex performance of qualified veteran boxers,. Factor 1 (55.063% of the total aggregate variance) is named "Speed". Factor 2 (44.937% of the total aggregate variance) stands for “Speed Endurance”. Individual factor structure, which is characterized by the distinctive factor "Speed and Coordination Endurance" by more than 80% as well as by the marked factor "Speed" by less than 30% is considered to be a particularity of the tempo style boxers. Individual factor structure, which is characterized by the intensity of the factor "Speed" by more than 80%, and by the distinctive factor "Speed and Coordination Endurance" by less than 30% is considered to be typical for the playing style boxers. The individual factor structure, which is characterized by the marked factor "Speed" by more than 50%, and by the intencity of the factor "Speed and Coordination Endurance" by less than 30% is seen to be peculiar to the strength style boxers.
 Conclusions. It is shown that the psychophysiological features of boxers of different fighting styles are reflected in the features of the direct strike technique. The lack of speed at the beginning of the movement in tempo style boxers is supplemented and compensated by the high speed of movement. Playing style boxers are characterized by a high speed of movement at the very beginning of the strike. Strength style boxers are characterized by the gradual development of movement speed.
Highlights
The development of veteran sports is being observed
The data obtained indicate that qualified veteran boxers have a higher ability to maintain high efficiency of the nervous system when performing tasks that require high speed and accuracy within a certain period of time (90-120 s)
This indicates that qualified veteran boxers have higher speed and coordination endurance of the nervous system
Summary
The development of veteran sports is being observed. Boxing is no exception [1, 2].Boxing for middle-aged and elderly people has different motives: maintaining physical fitness, maintaining and acquiring skills and abilities of selfdefense, relieving psychological stress, and others [2]. In addition to the motives of maintaining their physical shape, maintaining and improving self-defense skills, relieving psychological stress, continuing boxing is important to improve individual skill, sharpening technique, the ability to continue fighting in the ring with equal and superior opponents, the opportunity to feel at the peak struggle and feel like a winner [2, 5]. The continuation of sports by qualified athletes has certain specific features This is due to the fact that with age after 30 years, sarcopenia occurs - a decrease in muscle mass [6]. This is mainly due to the loss of fast muscle fibers, which are responsible for the development of speed and strength. This is mainly due to the loss of fast muscle fibers, which are responsible for the development of speed and strength. [7, 8] In this case, endurance decreases in a different way than strength and speed, in some cases, up to 35-40 years, endurance even increases [8]
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