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Endurance Training and Sprint Performance in Elite Junior Cross-Country Skiers

Sandbakk, Øyvind1,2; Welde, Boye1; Holmberg, Hans-Christer3

The Journal of Strength & Conditioning Research: May 2011 - Volume 25 - Issue 5 - p 1299-1305
doi: 10.1519/JSC.0b013e3181d82d11
Original Research

Sandbakk, Ø, Welde, B, and Holmberg, H-C. Endurance training and sprint performance in elite junior cross-country skiers. J Strength Cond Res 25(5): 1299-1305, 2011-The purpose of the present study was to investigate the relationship between aerobic characteristics and sprint skiing performance, and the effects of high-intensity endurance training on sprint skiing performance and aerobic characteristics. Ten male and 5 female elite junior cross-country skiers performed an 8-week intervention training period. The intervention group (IG, n = 7) increased the volume of high-intensity endurance training performed in level terrain, whereas the control group (CG, n = 8) continued their baseline training. Before and after the intervention period, the skiers were tested for 1.5-km time-trial performance on roller skis outdoors in the skating technique. Maximal oxygen uptake (o2max) and oxygen uptake at the ventilatory threshold (o2VT) were measured during treadmill running. o2max and o2VT were closely related to sprint performance (r = ∼0.75, both p < 0.008). The IG improved sprint performance, o2max, and o2VT from pre to posttesting and improved sprint performance and o2VT when compared to the CG (all p < 0.01). This study shows a close relationship between aerobic power and sprint performance in cross-country skiing and highlights the positive effects of high-intensity endurance training in level terrain.

1Department of Sport and Physical Education, Nord-Trøndelag University College, Levanger, Norway; 2Department of Human Movement Science, Norwegian University of Science and Technology, Trondheim, Norway; and 3Swedish Winter Sports Research Center, Department of Health Sciences, Mid Sweden University, Östersund, Sweden

Address correspondence to Øyvind Sandbakk,

© 2011 National Strength and Conditioning Association