scholarly journals Cardiac Parasympathetic Reactivation in Elite Soccer Players During Different Types of Traditional High-Intensity Training Exercise Modes and Specific Tests: Interests and Limits

2015 ◽  
Vol 6 (4) ◽  
Author(s):  
Alexandre Dellal ◽  
David Casamichana ◽  
Julen Castellano ◽  
Monoem Haddad ◽  
Wassim Moalla ◽  
...  
2017 ◽  
Vol 37 (5) ◽  
pp. 636-642
Author(s):  
Lin Shihang ◽  
Wichai Eungpinithpong ◽  
Amonrat Jumnainsong ◽  
Somchai Rattanathongkom

2018 ◽  
Vol 61 (1) ◽  
pp. 63-72 ◽  
Author(s):  
Maria Jastrzębska ◽  
Mariusz Kaczmarczyk ◽  
Małgorzata Michalczyk ◽  
Łukasz Radzimiński ◽  
Piotr Stępień ◽  
...  

AbstractThere is no clear evidence that vitamin D effectively improves physical capacity in high-level athletes. The aim of this study was to confirm that vitamin D supplementation of soccer players during eight-week high-intensity training would have a significant effect on their aerobic capacity. The subjects were divided into two groups: the experimental one that was supplemented with vitamin D (SG, n = 20), and the placebo group (PG, n = 16), not supplemented with vitamin D. All the players were subjected to the same soccer training described as High-Intensity Interval Training (HIIT). The data of the vitamin D level, PWC170, lactate threshold (LT) were collected just before and after the intervention. A significant increase in vitamin D concentration (119%) was observed in the supplemented group, while the non-supplemented group showed a decrease of 8.4%. The studied subjects improved VO2max results by 20% in the SG, and by 13% in the PG. The improvement in velocity at the LT was similar in both groups. Results of this study show that vitamin D can have a positive, though moderate, effect on aerobic performance in players subjected to high-intensity training in the form of small-sided games for 8 weeks.


2020 ◽  
Vol 52 (7S) ◽  
pp. 1099-1099
Author(s):  
Camilla R. Holland ◽  
Michael G. Roberts ◽  
Matthew W. Furber ◽  
Lindsy S. Kass ◽  
Lindsay Bottoms

Proceedings ◽  
2019 ◽  
Vol 25 (1) ◽  
pp. 23
Author(s):  
Vasilios Kalapotharakos ◽  
Dimitrios Serenidis ◽  
Savvas Tokmakidis

Aim: Soccer is characterized as an intense intermittent team sport. Heart rate (HR) is used to monitor the players’ training response, as well as to quantify microcycle and mesocycle training intensity during preseason and in-season periods. The purpose of the present study was to quantify the preseason training intensity distribution in elite soccer players and then examine the relationship between HR distribution and changes in aerobic fitness. Material & Method: Sixteen elite professional soccer players (age, 26.8 ± 3.8 years; weight, 77.8 ± 7.7 kg; height, 1.79 ± 0.06 m; mean ± SD) participated in the study. Aerobic fitness was evaluated with VO2max, running velocity at VO2max (v-VO2max) during a laboratory incremental aerobic test and with the distance completed during an interval shuttle run test (ISRT), before and after preseason. HR of each player was measured using a short-range telemetry HR transmitter strap at 5-s intervals during all training sessions of the preseason. The absolute (min) and relative (%) time spent in high-intensity HR zone (90–100% of HRmax) during the preseason period was calculated for each player. Results: VO2max and distances completed during ISRT improved significantly (p < 0.05) by 3.3 ± 2.1% and 29 ± 16%, respectively. The time (%) players spent in high-intensity training was significantly correlated (p < 0.01) with the changes (%) in distance completed during ISRT. Conclusions: These results provide useful information about the HR quantification during preseason in elite soccer players. Additionally, coaches have to take into consideration the time soccer players spend in high-intensity training for optimal endurance responses when planning and implementing the preseason training period.


2016 ◽  
Vol 30 (9) ◽  
pp. 2460-2469 ◽  
Author(s):  
Adam L. Owen ◽  
Del P. Wong ◽  
Gordon Dunlop ◽  
Carole Groussard ◽  
Wiem Kebsi ◽  
...  

2011 ◽  
Vol 25 (6) ◽  
pp. 1726-1735 ◽  
Author(s):  
Jesper Sjökvist ◽  
Matthew C Laurent ◽  
Mark Richardson ◽  
Matt Curtner-Smith ◽  
Hans-Christer Holmberg ◽  
...  

Nutrients ◽  
2019 ◽  
Vol 11 (2) ◽  
pp. 349 ◽  
Author(s):  
Maria Skalska ◽  
Pantelis Theo Nikolaidis ◽  
Beat Knechtle ◽  
Thomas Johannes Rosemann ◽  
Łukasz Radzimiński ◽  
...  

The aim of this study was to confirm that vitamin D supplementation of young soccer players during eight-week high-intensity training would have a significant effect on their motion activity. The subjects were divided into two groups: the experimental one, which was supplemented with vitamin D (SG, n = 20), and the placebo group (PG, n = 16), which was not supplemented with vitamin D. All the players were subjected to the same soccer training, described as High-Intensity Interval Training (HIIT). The data of the vitamin D status, time motion parameters and heart rate were collected just before and after the intervention. A significant increase in 25(OH)D concentration (119%) was observed in the supplemented group, while the non-supplemented group showed a decrease of 8.4%. Based on the obtained results, it was found that physical activity indicators in the players were significantly improved during small-sided games at the last stage of the experiment. However, taking into account the effect of supplementation with vitamin D, there were no statistically significant differences between the placebo and the supplemented groups; thus, the effect size of the conducted experiment was trivial.


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