Authors: Riechman S. E.; Zoeller R. F.; Balasekaran G.; Goss F. L.; Robertson R. J.

Source: Journal of Sports Sciences, Volume 20, Number 9, 1 September 2002 , pp. 681-687(7)

Publisher: Taylor and Francis Ltd

Abstract:

The aim of this study was to predict indoor rowing performance in 12 competitive female rowers (age 21.3 ± 3.6 years, height 1.68 ± 0.54 m, body mass 67.1 ± 11.7 kg; mean ±s) using a 30 s rowing sprint, maximal oxygen uptake and the blood lactate response to submaximal rowing. Blood lactate and oxygen uptake (VO₂) were measured during a discontinuous graded exercise test on a Concept II rowing ergometer incremented by 25 W for each 2 min stage; the highest VO₂ measured during the test was recorded as VO_2max (mean = 3.18 ± 0.35 l· min^-1). Peak power (380 ± 63.2 W) and mean power (368 ± 60.0 W) were determined using a modified Wingate test protocol on the Concept II rowing ergometer. Rowing performance was based on the results of the 2000 m indoor rowing championship in 1997 (466.8 ± 12.3 s). Laboratory testing was performed within 3 weeks of the rowing championship. Submitting mean power (Power), the highest and lowest five consecutive sprint power outputs (Maximal and Minimal), percent fatigue in the sprint test (Fatigue), VO_2max (l· min^-1), VO_2max (ml·kg^-1 ·min^-1), VO₂ at the lactate threshold, power at the lactate threshold (W), maximal lactate concentration, lactate threshold (percent VO_2max) and VE_max (l·min^-1) to a stepwise multiple regression analysis produced the following model to predict 2000 m rowing performance: Time₂₀₀₀ =- 0.163 (Power)14.213 ·(VO_2max l· min^-1) + 0.738· (Fatigue) + 567.259 (R² = 0.96, standard error = 2.89). These results indicate that, in the women studied, 75.7% of the variation in 2000 m indoor rowing performance time was predicted by peak power in a rowing Wingate test, while VO_2max and fatigue during the Wingate test explained an additional 12.1% and 8.2% of the variance, respectively.

Keywords: LACTATE; MAXIMAL OXYGEN UPTAKE; MULTIPLE REGRESSION; WINGATE TEST; WOMEN

Language: English

Document Type: Research article

Publication date: 2002-09-01

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