Relationship between the parameters of muscular and cardiovascular systems in graded exercise testing in subjects doing regular exercises and sports

Fudin, N.; Klassina, S. Ya.; Pigareva, S. N.

doi:10.1134/s0362119715040088

Hum Physiol

2015

DOI: 10.1134/s0362119715040088

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Relationship between the parameters of muscular and cardiovascular systems in graded exercise testing in subjects doing regular exercises and sports

N. Fudin

S. Ya. Klassina

S. N. Pigareva

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Cited by 2 publications

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“…Athletes' professional activity, especially when it comes to highly skilled wrestlers, is characterized by the specific changes in motor and visceral correlations. It is established that intensive load affects both the performance of the locomotor apparatus and functions of other visceral systems [15,16]. There are different reasons for locomotor tissue stress: training efforts above the threshold of athlete's abilities, a sharp increase in load intensity, changes in sports technique without body adaptation.…”

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Analysis of muscle tone and strength and cerebral blood flow in kickboxers

Shevtsov

Сашенков

Шибкова

et al. 2019

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Purpose: the article deals with providing a characteristic of muscle and tone status as well as precerebral and cerebral hemodynamics in kickboxers. Materials: 102 athletes with the qualification from the Second-class Athlete to the Master of Sport voluntary participated in the study. The average age of athletes at the moment of the study was 20.90±0.50. The average sports experience of participants was equal to 4.15±2.77. The control group consisted of apparently healthy young males of the same age but not involved in sports activities (n=35). The indicators of muscle tone and strength and cerebral blood flow were studied with the help of Doppler ultrasound of the main arteries of the head, electroneuromyography, and transcranial Doppler. Results: the article provides the results of the study on the effect of muscle and tone disturbances in the spinal motion segment on the functional status of precerebral and cerebral blood flow. The disturbances in nerve conduction velocity in the symmetrical groups of trunk muscles are considered as the reason for muscle imbalance in 50% of athletes. The analysis of blood flow indicators in kickboxers with muscle imbalance revealed a typical increase in the tone of precerebral vessels and changes in the gradients of blood flow velocity in various segments of the carotid and vertebral arteries. The decrease of cerebral blood flow in athletes, in particular, the venous outflow of a dystonic nature, is the result of spasmodic and ischemic Doppler patterns against a decreased indicator of arteriovenous balance. Mild traumatic brain injuries should also be taken into account when speaking about the development of cerebrovascular dysfunction as a result of kickboxers’ sparring activities and competitions. Conclusions: Differentiated disturbances in sensory and motor conductivity result in the disturbance of afferentation and muscle imbalance intensity. Angiospasm and vascular ischemia determine the increase in the linear blood flow velocity in the carotid system and the decrease in the vessels of the vertebrobasilar system against the increase in resistivity indicators in the carotid basins and vertebrobasilar system in kickboxers. Correlation analysis revealed visceral motor correlations, which proved the influence of the functional status of the regional muscle system on cerebral hemodynamics. The analysis of tone and strength muscle characteristics and cerebral blood flow in kickboxers indicates the necessity of correcting muscle and tone asymmetry of the paravertebral area.

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confidence: 99%

Analysis of muscle tone and strength and cerebral blood flow in kickboxers

Shevtsov

Сашенков

Шибкова

et al. 2019

PPS

View full text Add to dashboard Cite

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Heart rate variability during speed-strength load of athletes after hypoventilation training

Vaguine

Klassina

Fudin

2022

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Objective: to study the variability of the heart rate of athletes during hypoventilation training, which provides an increase in the result of speed-strength load.Materials and methods: Athletes performed speed-strength load with their hands on a training apparatus against the background of maximum voluntary breath holding before and after hypoventilation training. The duration of breath holding, the number of power movements, parameters of heart rate variability and electromyography were measured.Results: After hypoventilation training of athletes at rest, parasympathetic influences on the heart rate increased, which led to an increase in the total power of the heart rate spectrum from 3201 ± 520 to 4047 ± 585 ms2, the power of the low frequency of the heart rate spectrum from 1458 ± 216 to 2055 ± 392 ms2 and the standard deviation of the duration of adjacent cardiac cycles from 45 ± 5 to 52 ± 4 ms. Sympathetic influences increased during exercise against the background of maximum voluntary breath holding. The longer maximum voluntary breath holding was, the more power movements the athletes performed.Conclusion: Hypoventilation training changed the vagosympathetic balance of the athletes’ body, increasing their performance and hypoxic resistance.

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Relationship between the parameters of muscular and cardiovascular systems in graded exercise testing in subjects doing regular exercises and sports

Cited by 2 publications

References 3 publications

Analysis of muscle tone and strength and cerebral blood flow in kickboxers

Analysis of muscle tone and strength and cerebral blood flow in kickboxers

Heart rate variability during speed-strength load of athletes after hypoventilation training

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