Determinants of performance in 1,500-m runners

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Ferri, Alessandra, Adamo, S, La Torre, A, Marzorati, M, Bishop, David ORCID: 0000-0002-6956-9188 and Miserocchi, G (2012) Determinants of performance in 1,500-m runners. European Journal of Applied Physiology, 112 (8). pp. 3033-3043. ISSN 1439-6319 (print) 1439-6327 (online)


Our aim was to investigate the relationship between physiological variables (not previously studied) and performance in elite 1,500-m runners. We assessed eight male athletes with an average personal best time of 233.3 ± 6.9 s (110% of the world record) for the 1,500-m race. Ventilatory measurements, maximal oxygen consumption ð V O2maxÞ; maximal vastus lateralis muscle deoxygenation (∆[deoxy(Hb+Mb)])max via near-infrared spectroscopy (NIRS), and maximal velocity (Vmax) were obtained during an incremental treadmill test. During subsequent constant-speed exercise at Vmax, we determined the time to exhaustion (Tlim), end-exercise blood lactate concentration ([La]bmax), VO2 and ∆[deoxy(Hb+Mb)] kinetics parameters. The mean V O2max; [La]bmax and Vmax were 70.2 ± 3.9 mL kg-1 min-1, 12.7 ± 2.4 mmol L-1, 21.5 ± 0.5 km h-1, respectively. V O2 at Vmax showed a significant negative correlation with Tlim, whereas [La]bmax was positively correlated with Tlim. Race speed was found to significantly correlate with ∆[deoxy(Hb+Mb)]max (79% of maximal value obtained during a transient limb ischemia), ∆[deoxy(Hb+Mb)] slow component (22.9 ± 9.3% of total amplitude) and [La]bmax at Vmax. [La]bmax at Vmax was also significantly correlated with ∆[deoxy(Hb+Mb)] slow component, suggesting a greater release of oxygen from the hemoglobin due to the Bohr effect.We conclude that both the maximal capacity of muscle to extract O2 from the blood and the end-exercise blood lactate accumulation are important predictors of best performance in 1,500-m runners.

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Item type Article
Official URL
Subjects Historical > Faculty/School/Research Centre/Department > Institute of Sport, Exercise and Active Living (ISEAL)
Current > FOR Classification > 1106 Human Movement and Sports Science
Keywords ResPubID24853, ResPubID25394, skeletal muscle bioenergetics, near-infrared spectroscopy, oxygen uptake kinetics, middle-distance runners
Citations in Scopus 10 - View on Scopus
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