THE RELATIONSHIP BETWEEN AEROBIC POWER AND REPEATED SPRINT ABILITY IN YOUNG SOCCER PLAYERS WITH DIFFERENT LEVELS OF VO2 MAX
Journal Title: CITIUS ALTIUS FORTIUS - JOURNAL OF PHYSICAL EDUCATION AND SPORT - Year 2010, Vol 27, Issue 2
Abstract
In some team sports such as soccer which is interval, athletes need to prepare themselves immediately for the next activity. Therefore it is very important to have enough information on characteristics of recovery phase and quick recovery to the first situation and to have the minimum speed reduction. The purpose of this study was to determine the relationship between aerobic power and repeated sprint ability (RSA or decrement index) in young soccer players in three different levels of Vo2max. Methods: For this reason 41 volunteers were divided in to three groups with different levels of Vo2max ml.kg-1.min-1 low 37.22 ± 2.3 (n= 18, age 17.1 ± 0.9 year, height 170.6 ± 0.76 cm, weight 67.1 ± 5.05 kg) medium 46.46± 1.97 ml.kg-1.min-1 (n= 13, age 17.6± 0.76 year, height 173.8 ± 4.84 cm, weight 65.9 ± 4.92 kg) and high 55.63 ± 1.52 ml.kg-1.min-1 (n=10, age 17.4 ±0.69 year, height 177 ± 3.23 cm, weight 71.4 ± 3.94 kg). To determine Vo2max a graded exercise test until volitional exhaustion on treadmill was used, and also RAST was used to measure RSA. The lactate accumulation was measured before and after RSA protocol. Pearson's correlation was used to determine the correlation between the aerobic power and RSA. The results indicated that there are significant relationship between Vo2max and decremental index in low Vo2max group (r= 0.86, p= 0.001), no significant relationship medium Vo2max group (r= 0.14, p= 0.63) and negative significant relationship in high Vo2max group (r= - 0.64, p= 0.04). There are no significant relationship between Lactate accumulation and decremental index in medium (r= 0.005, p= 0.98) and high Vo2max groups (r=0.27, p= 0.45). Discussion: It is possible that the recovery of inter muscular resources relates to aerobic ability, but there are other factors effective in RSA rather than Vo2max and Lactate accumulation. The current study showed a normal curved relationship between Vo2max and RSA
Authors and Affiliations
Rostam Alizadeh, Fariborz Hovanloo, Ali Mohammad Safania
Keywords
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