Peak velocity and its time limit are as good as the velocity associated with VO2max for training prescription in runners

[摘要]

This study compared the effects of 4 weeks of training prescribed by peak velocity (V_peak) or velocity associated with maximum oxygen uptake (vVO_2max) in moderately trained endurance runners. Study participants were 14 runners (18–35 years) randomized into 2 groups, named group VO₂ (GVO₂) and group V_peak (GVP). The GVO₂ had training prescribed by vVO_2max and its time limit (t_lim), whereas the GVP had training prescribed by V_peak and its t_lim. Four tests were performed on a treadmill: 2 maximum incremental for V_peak and vVO_2max and 2 for their t_lim. Performance (10 km) was evaluated on a 400 m track. Evaluations were repeated after 4 weeks of endurance training. The results showed a significant effect of training on V_peak [GVP (16.7±1.2–17.6±1.5 km^.h⁻¹), GVO₂ (17.1±1.9–17.7±1.6 km·h⁻¹)]; vVO_2max [GVP (16.4±1.4–17.0±1.3 km·h⁻¹), GVO₂ (17.2±1.7–17.5±1.9 km·h⁻¹)]; and 10 km performance [GVP (41.3±2.4–39.9±2.7 min), GVO₂ (40.1±3.4–39.2±2.9 min)]. The V_peak highly correlated with performance in both pre- and post-training in GVP (–0.97;–0.86) and GVO₂ (–0.95;–0.94), as well as with vVO_2max in GVP (–0.82;–0.88) and GVO₂ (–0.99; –0.98). It is concluded that training prescribed by V_peak promoted similar improvements compared to training prescribed by vVO_2max. The use of V_peak is recommended due to its practical application and the low cost of determination.

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[学科分类] 运动医学

[关键词] training programs;effort testing;athletic performance;running