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n International SportMed Journal - Individual anaerobic threshold prediction through 1 km and 3 km running performance in young soccer players : original research

Volume 15, Issue 4
  • ISSN : 1528-3356
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Abstract

Individual anaerobic threshold (IAT) is a valid method to evaluate aerobic capacity. However, IAT determination requires blood analysis and thus is less accessible for coaches and athletes. Predictive validation. To verify the validity of IAT prediction through 1 km and 3 km running performance in male youth soccer players. Participants (n=20; 15.4 ± 1.2 years; 170.1 ± 1.5 cm; 58.9 ± 5.8 kg) were divided into 2 groups (G1 and G2) who underwent running tests to identify IAT and the mean velocity for 1 km and 3 km performance (Vm Vm). For IAT determination volunteers performed 8 x 800m at incremental intensities of 80-103% Vm. Linear regression between IAT and running performances (Vm and Vm) obtained from G1 participants yielded predictive equations ([IAT1km = (1.0009 * Vm) - 80.798] and [IAT3km = (0.8517 * Vm) + 4.5408]) that were applied in G2 for validation purposes. The running velocities corresponding to IAT (205.8 ± 18.8m.min-1) and IAT predicted from 1km (IAT1km = 207.8 ± 10.1m.min-1) and 3km (IAT3km = 204.8 ± 7.4m.min-1) did not differ from each other. The proposed equations were considered valid and could be used on exercise evaluation and prescription for young soccer players with similar physiological characteristics in this study's participants.

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/content/ismj/15/4/EJC164098
2014-12-01
2016-12-09

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