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1 Acta of Bioengineering and Biomechanics

1 2003

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Changes in power output under the influence of high-intensity training

Norkowski H., Sozański H., Buśko K.

Acta of Bioengineering and Biomechanics

2003

Vol. 5, nr 2

89-99

The purpose of this research was to study the effect of high-intensity training programme carried out with a cycle ergometer and in the form of run intervals on physical fitness as measured in a running test and on power output measured in Wingate test. The study was carried out on 24 subjects divided into two groups: group GC (12 persons) did the high-intensity training on a cycle ergometer; group GR (12 persons) did the training in the form of running. The training lasted 8 weeks, 5 times a week in both groups. Running test consisted of a series of four 50 m sprints (25 m + 25 m back) at 15-second intervals. The training improved alactic anaerobic output (the phase of power increase and maintenance phase (IMP) in the Wingate test) by 20.3%- VV[IMP] and 9.1%P[AlMP] in the GC group and by 15.2% W[IMP] and 11.5% P[aIMP] in the GR group, and lactic anaerobic output (the phase of power decrease (DP)) by 9.1% W[DP] and 12.4% P[aDP] for group GC and by 12.8% W[DP] and 10.8% P[[aDP] for group GR. In both groups, a significant improvement in time required to cover the distance in the series of four runs was noted (significantly larger in the group GR than in the group GC). The changes in running times, in terms of percentages, differed significantly between the groups. However, the groups did not differ in terms of their Wingate test results.