1990
DOI: 10.1007/bf00572183
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The energetics of middle-distance running

Abstract: In order to assess the relative contribution of aerobic processes to running velocity (v), 27 male athletes were selected on the basis of their middle-distance performances over 800, 1500, 3000 or 5000 m, during the 1987 track season. To be selected for study, the average running velocity (v) corresponding to their performances had to be superior to 90% of the best French v of the season. Maximum O2 consumption (VO2max) and energy cost of running (C) had been measured within the 2 months preceding the track se… Show more

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Cited by 146 publications
(152 citation statements)
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“…Indeed higher LTs demonstrated in middle distance athletes have been connected with better running performances. In a sample of national-level French middle distance runners, Lacour et al 14 found a higher correlation (0.66) between LT and mean 3,000 m velocity than VO2max and mean 3,000 m velocity (0.51). Because anaerobic factors play a greater role in middle distances than longer runs, increasing LT is likely to improve performance in 1.5 and 2-mile runs.…”
Section: Lactate Thresholdmentioning
confidence: 95%
See 1 more Smart Citation
“…Indeed higher LTs demonstrated in middle distance athletes have been connected with better running performances. In a sample of national-level French middle distance runners, Lacour et al 14 found a higher correlation (0.66) between LT and mean 3,000 m velocity than VO2max and mean 3,000 m velocity (0.51). Because anaerobic factors play a greater role in middle distances than longer runs, increasing LT is likely to improve performance in 1.5 and 2-mile runs.…”
Section: Lactate Thresholdmentioning
confidence: 95%
“…Performance factors of homogenous groups of runners have shown smaller relationships between VO2max and run performance, indicating that anaerobic factors may also be very important to performance in longer middle distance runs. 13,14 However, the aerobic energy system contributions for 3,000 m race performances in trained track athletes may be as high as 93% in males and 94% in females. 15 …”
Section: Aerobic Powermentioning
confidence: 99%
“…Mesmo para indivíduos ativos é possível obter uma boa predição de performance por meio da vVO 2 max com a distância de 3 km (r = 0,91), que pode ser constatado no estudo realizado por Silva et al (2005). Por outro lado, Lacour et al (1990), além de verificarem correlação da vVO 2 max com a velocidade média de 1,5 km (r = 0,62) e 3 km (r = 0,64), também observaram correlação com a performance de 5 km (r = 0,86). É importante ressaltar que a ausência de correlação dos índices de capacidade aeróbia e potência aeróbia com a performance na distância de 5 km pode ter ocorrido devido ao número reduzido de sujeitos que participaram do presente estudo.…”
Section: Discussionunclassified
“…Este fato pode ser justificado em função do maior potencial e recrutamento das fibras de contração rápida durante as provas de meio fundo (2 a 10 min). Esse mecanismo proporciona um maior potencial de transferência de energia a partir do metabolismo anaeróbio (NAKAMURA; FRANCHINI, 2006), fazendo com que os mesmos suportem correr médias distâncias nas velocidades próximas ou maiores que a vVO 2 max (BRANDON, 1995;LACOUR et al, 1990;BOILEAU et al, 1982). Brandon (1995) relata que as provas de média duração (2 a 10 min) podem apresentar considerável associação entre a potência e capacidade como determinantes da performance, ao contrário do presente estudo que não apresentou correlação entre a vMLSS e vOBLA com a performance nas distâncias de 1,5 km, 3 km e 5 km de corrida.…”
Section: Discussionunclassified
“…The difference between the true aerobic energy cost when a steady state is reached, and aerobic energy cost through inadequate determination (i.e., prior to attainment of steady state or velocity too low), may be termed the aerobic energy deficit, or more simply the 'oxygen cost deficit'. The oxygen cost is defined as the 2 O V  per body mass (kg) per unit distance (km) expressed in millilitres (ml), and is calculated as the quotient of exercising minus resting 2 O V  (ml.kg -1 .min -1 ), and velocity (km.min -1 ) (Lacour et al, 1990, adapted from di Prampero, 1986). In the case of the present study, we analysed our data to determine the oxygen cost deficit, which we defined as the difference between max), in the fatigued and non-fatigued conditions.…”
Section: Discussionmentioning
confidence: 99%