scholarly journals Magnesium and vitamin B2 supplementation is an important nutritional resource of sports medicine

2019 ◽  
pp. 216-230
Author(s):  
O. A. Gromova ◽  
I. Yu. Torshin ◽  
M. A. Sorokina ◽  
A. N. Gromov
Keyword(s):  
Energy Metabolism ◽  
Aqueous Solutions ◽  
Sports Medicine ◽  
Cardiovascular Health ◽  
Aerobic Power ◽  
Vitamin B2 ◽  
Magnesium Citrate ◽  
Intensive Training ◽  
Maximum Aerobic Power ◽  
Hormonal Balance

The supply of the with magnesium and vitamin B2 is essential to maintain the energy metabolism of cells, hormonal balance, endurance, immunity, cardiovascular health of athletes. As a result, by increasing the availability of these micronutrients, it is possible to increase maximum aerobic power, achieve better sports results and stimulate adequate recovery after competition or after intensive training. A promising way to increase the supply of athletes with magnesium and vitamin B2 is the use of aqueous solutions of magnesium citrate in combination with riboflavin.

Use of riboflavinum and magnesium citrate in obstetrics and gynecology

GYNECOLOGY ◽  
2018 ◽  
Vol 20 (6) ◽  
pp. 60-66
Author(s):  
O A Gromova ◽  
I Yu Torshin ◽  
N K Tetruashvili
Keyword(s):  
Thrombus Formation ◽  
Sirtuin 1 ◽  
Obstetrics And Gynecology ◽  
Inflammatory Factor ◽  
Vitamin B2 ◽  
Magnesium Citrate ◽  
Fetal Malformations ◽  
Folate Cycle ◽  
Pro Inflammatory Cytokines

Low provision of cells with vitamin B2 and magnesium leads to a decrease in the activity of the sirtuin-1 deacetylase and an increase in the activity of the pro-inflammatory factor NF-kB, a decrease in the levels of glutathione, an increase in the levels of homocysteine, thrombus formation, the activity of mitochondria, the development of migraine, convulsions and miscarriage. The role of riboflavin in the regulation of the folate cycle in the genotype MTHFR 677TT for the prevention of folatresistant fetal malformations, the advantages of an aqueous solution of riboflavin and magnesium citrate is considered. The data on titanium dioxide, which increases the level of pro-inflammatory cytokines IL-1b, IL-4, IL-5, IL-6, G-CSF, CCL-2, CCL-3, CCL-4, are presented.

scholarly journals Reproducibility of maximum aerobic power (VO2max) among soccer players using a modified heck protocol

Clinics ◽  
2007 ◽  
Vol 62 (4) ◽  
pp. 391-396 ◽  
Author(s):  
Paulo Roberto Santos-Silva ◽  
Alfredo José Fonseca ◽  
Anita Weigand de Castro ◽  
Júlia Maria D'Andréa Greve ◽  
Arnaldo José Hernandez
Keyword(s):  
Aerobic Power ◽  
Soccer Players ◽  
Maximum Aerobic Power

Maximal aerobic capacity at different levels of carboxyhemoglobin

1975 ◽  
Vol 38 (2) ◽  
pp. 300-303 ◽  
Author(s):  
S. M. Horvath ◽  
P. B. Raven ◽  
T. E. Dahms ◽  
D. J. Gray
Keyword(s):  
Critical Level ◽  
Aerobic Power ◽  
Ambient Air ◽  
Vo2 Max ◽  
Maximal Aerobic Capacity ◽  
Work Time ◽  
Maximum Aerobic Power ◽  
The Individual ◽  
Different Levels ◽  
Ambient Levels

Previous studies had indicated that maximum aerobic power (VO2 max) would be seriously impaired when HbCO levels were above 7% but was not altered if HbCO was around 2.7%. The present studies indicated that the critical level at which HbCO influenced VO2 max was approximately 4.3%. This was accompanied as in the above-noted studied with a reduction in total work time to the attainment of VO2 max. Two procedures to raise HbCO to appropriate levels were employed, i.e., a buildup wherin HbCO was incrementally increased by breathing ambient air containing 75 or 100 ppm CO and a bolus plus maintenance procedure. In the latter, HbCO was raised to the level attained in the buildup test by giving a “bolus” of CO followed by the continued inhalation of CO at a level to just maintain this level of HbCO regardless of the magnitude of the ventilation. Regardless of the mode of presentation, the decrement in VO2 max occurred at the same level of HbCO. These observations are of considerable significance, since it indicated that even low ambient levels of CO (23.7 ppm) would result in lowering maximum aerobic power if the individual had been previously exposed to CO such that the level was raised to this critical point.

BIOMECHANICAL ENERGY METABOLISM MODEL OF SPORTS MEDICINE

2021 ◽  
Vol 27 (7) ◽  
pp. 674-677
Author(s):  
Lu Jin
Keyword(s):  
Energy Metabolism ◽  
Knee Joint ◽  
Human Health ◽  
Contact Surface ◽  
Sports Medicine ◽  
Level Of Evidence ◽  
Joint Stress ◽  
Tibiofemoral Joint ◽  
Whole Process ◽  
Peak Value

ABSTRACT Introduction: This is a study on the reasonable organization and collocation of sports health elements in different sports forms, and how this is reflected through scientific exercise instructors. Objective: To improve the effect of sports medicine on the biomechanical energy metabolism of human health. Methods: The biomechanical model of knee joint stress was used to analyze the mechanical behavior of knee joint flexion, such as movement and contact; the variation law and peak value of stress on the contact surface of the tibiofemoral joint were obtained. Results: Based on the changes of stress on tibiofemoral joint contact surface and the peak value of the data obtained in this paper, the model and data basis were provided for guiding scientific sports training and sports medicine treatment, preventing knee joint sports injury, knee joint inflammation, and reasonably improving sports performance. Conclusions: Sports medicine is effective in improving human health. The objects of clinical exercise guidance include all people, from infancy to the old age. The function of exercise is recognized in the effect of the whole process of prevention, treatment and rehabilitation of a variety of clinical diseases. The effectiveness of exercise in the whole process of disease is also recognized. Level of evidence II; Therapeutic studies - investigation of treatment results.

Letter to the Editor: Exercise Interventions and Cardiovascular Health in Childhood Cancer: A Meta-Analysis

2020 ◽  
Vol 41 (09) ◽  
pp. 628-629 ◽  
Author(s):  
Paola Victória da Costa Ghignatti ◽  
Ricardo Pereira de Lima
Keyword(s):  
Childhood Cancer ◽  
Sports Medicine ◽  
Cardiovascular Health ◽  
Meta Analysis ◽  
Childhood Cancer Survivors ◽  
Structure And Function ◽  
Training Intervention ◽  
Exercise Interventions ◽  
Cardiac Structure And Function ◽  
And Function

Dear Editor,International Journal of Sports MedicineThe analysis of the study entitled “Exercise Interventions and Cardiovascular Health in Childhood Cancer: a Meta-Analysis” 1 was very interesting. The authors of this meta-analysis aimed to summarize the evidence on the effects of physical training intervention over three weeks on cardiovascular and cardiorespiratory outcomes in childhood cancer survivors (CCS). In addition, they addressed endpoints related not only to cardiac structure and function, but also to cardiorespiratory fitness.

The Astrand-Ryhming nomogram revisited

1986 ◽  
Vol 61 (3) ◽  
pp. 1203-1209 ◽  
Author(s):  
B. J. Legge ◽  
E. W. Banister
Keyword(s):  
Heart Rate ◽  
Aerobic Power ◽  
Constant Load ◽  
Cycle Ergometry ◽  
Gas Analysis ◽  
Work Rate ◽  
Exercise Heart Rate ◽  
Validation Group ◽  
O2 Uptake ◽  
Maximum Aerobic Power

Relationships among O2 uptake (VO2), heart rate, and work rate during constant-load submaximal cycle ergometry and ramp-forced exercise to exhaustion have been studied in core groups of trained (n = 15) and untrained (n = 10), 20- to 29-yr-old males. A signal aim was to improve on the accuracy of the 1954 Astrand-Ryhming (A-R) nomogram predicting maximum aerobic power from heart rate elevation at submaximum work rates. A new nomogram has been developed based on a linear relationship, established in experimental groups, between VO2 and delta HR, the latter being defined as the elevation of exercise heart rate above that reached during zero-load pedaling at 90 rpm. The delta HR variable used in a nomogram linking it and submaximum VO2 (either derived by calculation from the concomitant steady-state work rate or measured directly from respiratory gas analysis) successfully differentiated maximum aerobic power of trained from untrained subjects in core groups whose different abilities could not otherwise be distinguished by the A-R nomogram itself. In a validation group of trained (n = 5), untrained (n = 5), and moderately trained (n = 4) 20- to 29-yr-old males, the correlation measured between VO2max values and those predicted from the new nomogram was significantly better (r = 0.98) (P less than 0.05) than predictions made from the A-R nomogram (r = 0.80).

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