O J Kemi1, J Hoff, L C Engen, J Helgerud, U Wisløff. 1. Department of Circulation and Medical Imaging, Faculty of Medicine, Medical Technology Center, Norwegian University of Science and Technology, Trondheim, Norway.
Abstract
AIM: Endurance capacity in soccer players is important. A soccer specific test for direct measurement of maximal oxygen uptake does, however, not exist. The aim of this study was to evaluate maximal oxygen uptake in a soccer specific field test, compared to treadmill running. METHODS: Ten male soccer players (age 21.9+/-3.0 years, body mass 73.3+/-9.5 kg, height 179.9+/-4.7 cm) participated in the study, and 5 endurance trained men (age 24.9+/-1.8 years, body mass 81.5+/-3.7 kg, height 185.6+/-3.1 cm) took part in a comparison of the portable and the stationary metabolic test systems. The soccer players accomplished a treadmill test and a soccer specific field test containing dribbling, repetitive jumping, accelerations, decelerations, turning and backwards running. RESULTS: Maximal oxygen uptake was similar in field (5.0+/-0.5 L x min(-1)) and laboratory (5.1+/-0.7 L x min(-1)) tests, as were maximal heart rate, maximal breathing frequency, respiratory exchange ratio and oxygen pulse. Maximal ventilation was 5.4% higher at maximal oxygen uptake during treadmill running. CONCLUSION: These findings show that testing of maximal oxygen uptake during soccer specific testing gives similar results as during treadmill running, and therefore serves as a valid test of maximal oxygen uptake in soccer players.
AIM: Endurance capacity in soccer players is important. A soccer specific test for direct measurement of maximal oxygen uptake does, however, not exist. The aim of this study was to evaluate maximal oxygen uptake in a soccer specific field test, compared to treadmill running. METHODS: Ten male soccer players (age 21.9+/-3.0 years, body mass 73.3+/-9.5 kg, height 179.9+/-4.7 cm) participated in the study, and 5 endurance trained men (age 24.9+/-1.8 years, body mass 81.5+/-3.7 kg, height 185.6+/-3.1 cm) took part in a comparison of the portable and the stationary metabolic test systems. The soccer players accomplished a treadmill test and a soccer specific field test containing dribbling, repetitive jumping, accelerations, decelerations, turning and backwards running. RESULTS: Maximal oxygen uptake was similar in field (5.0+/-0.5 L x min(-1)) and laboratory (5.1+/-0.7 L x min(-1)) tests, as were maximal heart rate, maximal breathing frequency, respiratory exchange ratio and oxygen pulse. Maximal ventilation was 5.4% higher at maximal oxygen uptake during treadmill running. CONCLUSION: These findings show that testing of maximal oxygen uptake during soccer specific testing gives similar results as during treadmill running, and therefore serves as a valid test of maximal oxygen uptake in soccer players.
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