33 Result(s)
within
S. G. Krivoshchekov
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Article
Influence of Physical Loads on Cognitive Functions and Bioelectric Activity of the Brain in Athletes of Various Specializations
Methods of psychophysiological testing and electroencephalography were used to study the effect of physical activity on cognitive functions (in particular, in the decision-making ability test) and brain bioele...
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Article
Physical and Cognitive Activities: Interaction and Mechanisms of Influence
Numerous studies of physical and cognitive activities are of great theoretical and practical interest in understanding the relationship between these processes. In the presented review, we tried to analyze and...
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Article
Physiological Features of Motor Coordination Formation Based on Training with Biological Feedback
The aim of this study was to study the physiological features of the formation of balance and coordination abilities based on training with biofeedback for various parameters. The study involved 60 girls aged ...
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Physiological Characteristics of Motor Impact Skills in Soccer Players with Disability
The purpose of this study was to study the physiological characteristics of motor skills of striking actions in soccer players with disabilities caused by disorders of the musculoskeletal system. The study inv...
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Article
Multivariate Analysis of Indicators of Inhibitory and Autonomic Control in Orthostasis and Emotional Situations
The aim of the study was a multivariate comparative analysis of indicators of inhibitory control in the Go/NoGo paradigm and indicators of regulation of the autonomic nervous system in orthostasis and in emoti...
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Article
Cardiorespiratory Coordination in Acute Hypoxia in Runners
The study was aimed at determining cardiorespiratory coordination under the influence of acute hypoxia in athletes with different levels of sports qualifications. Eighteen runners aged 17 to 25 were exposed to...
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Article
Physiological Parameters of Motor Adaptation in Children with Disability
We investigated the physiological characteristics of motor adaptation in children with disabilities associated with impaired functioning of the musculoskeletal system and decreased range of motion of joints in...
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Article
Physiological Parameters of the Performance of Ballistic Punch Movements in Athletes
The motor-coordination features of punch actions in athletes receive special attention in the literature. However, the association between punch force actions and the mechanisms of motor coordination and balan...
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Response of Aortic and Peripheral Hemodynamics and Arterial Elasticity to Acute Normobaric Hypoxia in Alpinists before and after a Prolonged Stay in Mountains
The study was aimed at determining whether the cardiotropic effects elicited by staying in highlands and the resistance to acute normobaric hypoxia are preserved after returning to the lowlands. Ten trained ma...
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Article
Brain Bioelectrical Activity and Cerebral Hemodynamics in Athletes under Combined Cognitive and Physical Loading
This work was aimed at studying the effects of physical exercise on brain electrical activity, cerebral blood flow, and cognitive function in athletes engaged in cyclic and acyclic sports. The study was perfor...
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Article
L-Arginine and Its Methylated Derivatives in the Blood of Athletes
The indices of the system of endogenous regulation of nitric oxide (NO) bioavailability of were compared in the group of athletes and the control group of subjects with a sedentary lifestyle. The concentration...
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Article
Lateral Preferences as Possible Phenotypic Predictors of the Reserves of the Cardiovascular System and the Features of Sensorimotor Integration in Climbers
The lateral preferences of the hands, the reserves of the cardiovascular system and the features of sensorimotor integration in mountain climbers as possible predictors of adaptation to extreme factors of the ...
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Article
Structural–functional characteristics of brachiocephalic vessels in hypertensive patients under changed atmospheric pressure
The ultrasonic location technique was used to measure the intima-media thickness (IMT) as well as the internal systolic diameter of and the linear blood velocity (LBV) in the cervical arteries in subjects with...
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Article
Effect of audiovisual stimulation on the psychophysiological functions in track-and-field athletes
In 18- to 23-year-old athletes specialized in field-and-track athletics, the psychophysiological status (cognitive, psychoemotional, and neurodynamic indicators) and the spectral power of the main EEG rhythms,...
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Article
Individual-typological assessment of cardiorespiratory responses to hypoxia and hypercapnia in young healthy men
The aim of the study was to develop some approaches to the substantiation of individual selection criteria for different types of physical training based on the individual chemoreflex responsiveness of the car...
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Article
Age, gender, and individually-typological features of reaction to sharp hypoxic influence
Age- and gender-related and individual characteristics of hypoxic resistance in healthy subjects with different temperaments (choleric and sanguine persons) were studied, and different responses to acute normo...
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Article
Cardiorespiratory response to hypoxia in persons with different levels of creativity
The correlation between the parameters of creativity and tolerance to experimentally induced normobaric hypoxia has been studied in young healthy subjects. The subjects inhaled a low-oxygen gas mixture (10% O2) u...
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Article
Cardiorespiratory responses to prolonged normobaric inhalatory hypoxia in healthy men
Changes in the cardiorespiratory indicators due to the prolonged (25 min) inhalation of a respiratory mixture with an exponentially falling (from 20.9% to 10%) oxygen concentration were studied in healthy youn...
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Article
Individual typological features in the EEG of athletes after acute hypoxic treatment
In athletes with different types of physical training and various temperaments, variability of the main rhythms of the EEG (α, β, and θ) and the parameters of the desynchronization response of the α-rhythm, th...
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Article
Structural-functional changes in the cardiovascular system during high athletic activity in aboriginals of Yakutia
To study structural-functional changes in the cardiovascular system and metabolic characteristics in residents of Yakutia who were engaged in sports activities, 146 Yakut men 18–29 years old living in Yakutsk ...
