| Effect of sprint vs. speed endurance training on performance during different high-intensity exercises |
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For a 8-wk training period a group of habitually active subjects performed 3-5 times a week either sprint training (ST; 6-s sprints, 1 min rest; n=6) or speed endurance training (SET; 8 30-s runs at 130% VO2-max separated by 1.5 min of rest; n=7).
After the training period, ST improved 30- and 50-m sprint times by 4-6%, with no changes for SET. SET improved repeated intense exercise performance (Yo-Yo IR2) more than ST (29 and 10%) and showed a lower fatigue index (53.8%) during a repeated sprint test with little change observed for ST. The study showed that the improvements in exercise performances are specific to the type of training performed. Recommendations: Sprint training is effective to improve running speed and speed endurance training is useful for improving a player’s ability to repeatedly perform very high-intensity work. Mohr M, Krustrup P, Nielsen JJ, Nybo L, Rasmussen MK, Juel C, Bangsbo J.
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