Associations of power at VO2peak and anaerobic threshold with rank in British high performance junior surfers
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Institute for Sport, Physical Activity and Leisure (ISPAL), Carnegie School of Sport, Leeds Beckett University, Leeds, United Kingdom
Faculty of Science and Technology, Plymouth University, Plymouth, United Kingdom
University College of St Mark and St John, Plymouth, United Kingdom
Online publication date: 2018-03-16
Hum Mov. 2015;16(1):28-32
The objective of this study was to determine the relationships of peak oxygen uptake (VO2peak), power at VO2peak and power at the anaerobic threshold (AT) with national ranking in a sample of British high performance junior surfers.

Eighteen male surfers (aged 15.4 ± 1.4 years) from the British Junior Surfing team were tested for VO2peak and AT using an adapted kayak ergometer; national ranking was used to indicate performance level. The AT was identified as the point at which VE/ VO2 started to rise without a concomitant increase in E/VCO2. Spearman’s rank (rs) and partial correlations (rp) controlling for age were used to identify the relationships between the physiological variables and national ranking.

Mean VO2peak was 3.1 ± 0.5 l • min–1 (47.7 ± 7.2 ml • kg–1 • min–1) and mean AT occurred at 48.1 ± 12.2 W. There were significant correlations between national ranking and power at VO2peak (rs = –0.549, p = 0.028), power at AT (rs = –0.646, p = 0.009), and age (rs = –0.579, p = 0.012). Significant partial correlations were established controlling for age between national ranking and power at VO2peak (rp = –0.839, p = 0.000) and power at AT (rp = –0.541, p < 0.046).

The power outputs associated with VO2peak and AT were significantly related to surfer ranking in this sample. However, due to the low coefficient of determination associated with the AT/ranking relationship, AT does not discriminate well between the ranking of surfers. These findings support the inclusion of power at VO2peak in assessment batteries for junior competitive surfers.

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