EQOL Journal (2017) 9(2):
ORIGINAL ARTICLE
Effects of
Bogdan Belegišanin1✉
© The Author(s) 2017. This article is published with open access.
Abstract
The aim of this paper was to determine whether the
players, (years=25±8, height=183.28±5.93, weight=75.28±5.9), were recruited for this study. Pre- and
Keywords
✉belegisaninb@gmail.com
1University of Novi Sad, Faculty of Sport and Physical Education, Novi Sad, Serbia
Introduction
Technical and tactical aspects could be determined with players
Research suggests that the aerobic system is the main source of energy in soccer, watching the duration of work and rest. VO2max represents the upper limit that determines the ability of an organism to consume oxygen, is expressed in millimetres per kilogram of body weight per minute (ml/kg/min) as a relative value or in litres per minute (l/min) as an absolute value. One of the reason why the match course could be changed are higher levels of aerobic ability, and that lead to delayed fatigue and provide faster recovery during the short periods of lower intensity during the game (Helgerud et al., 2001). When the teams are equal in terms of technical and tactical capabilities, fitness level will determine final outcome of the game. Consequently, aerobic fitness testing are regularly done in soccer players, usually thru
In a modern soccer, VO2max vary between 50 and 75ml/kg/min. Research suggests that lower ranked clubs have lower VO2max values when compared with better ranked clubs. Physiological
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EQOL Journal (2017) 9(2):
ability, VO2max, is not a sensible measure of competence in soccer and it has been stated that players who have VO2max over 60ml/kg/min one day could be elite soccer players (Tønnessen et al., 2012). The sprints number, periods with the ball, and covered distance during the soccer match have positive effects with aerobic fitness improvements (Howard & Stavrianes, 2017). The relative contribution of aerobic metabolism could be increased if repeated
Taken altogether, it seems that interval training can be considered viable method for aerobic fitness development in different levels of soccer players. However, data of its effectiveness in sub elite players are scarce and conflicting. The aim of this research is evaluating the effects of HIIT. Also, we wanted to investigate if there were some interval training- induced positional role differences.
Method
The research included a male soccer team competing in the first league competition in Serbia, ages 17 to 33, without medical disturbances. We tested 23
players (years=25±8, height=183.28±5.93, weight=75.28±5.9) divided into groups depending on the role in the team, 9 defense players (8 defenders and 1 goalkeeper) and 14 players (9 midfielders and 5 offensive players). Testing was carried out in laboratory settings in
8weeks.
The motorized treadmill provided the most suitable form for testing the VO2max for the soccer players, while the results on the bicycle ergometer would be 10 to 15% lower. Incremental
Whether there are statistically significant differences between the initial and final measurement of VO2max was compared with the
Results
By statistical analysis of the testing results obtained on a sample of 23 respondents, namely 9 defense players (8 defenders and 1 goalkeeper) and 14 players of attack (9 midfielders and 5 offensive players), we
EQOL Journal (2017) 9(2):
found statistically significant differences, using One- Sample
Table 1. Results of
|
Initial result |
Final result |
|
|
Variable |
mean±SD |
mean±SD |
mean±SD |
p |
VO2max |
51.92±3.40 |
54.87 ± 2.61 |
2.95 ± 1.31 |
.000 |
Legend: SD – standard deviation; p – significance
Discussion
Obtained results showed improvement in aerobic fitness for post- vs premeasurement (initial measurement = 51.92±3.40, final measurement = 54.87±2.61, p<.001). Considering positional differences, no statistical difference was found. It is likely that specific high intensity interval training is viable method for aerobic fitness improvements in
The previous research has shown that proven efficient, in stimulating the oxygen consumption, is that short
Studies on soccer players have shown that training (> 85% HR(max)) during 8 to 12 wk, could have benefits at VO2max enhancement (5% to 11%), then better running economy (3% to 7%), and lower blood lactate afflux underway submaximal exercise. There is also an improvement in the
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significant differences between groups for the pre- (p=0.493) and post- tests (p=0.362) within the training program results. The average VO2max improved by 2.36
63.4(±5.6) to 69.8 (±6.6)
In conclusion, we can state that 8 weeks of high intensity interval training likely produce significant improvements in regional level soccer players and that it can be proposed as efficient training modality for improving aerobic fitness in soccer players during competitive season.
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