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Chtara, M, Chaouachi, A, Levin, GT, Chaouachi, M, Chamari, K, Amri, M, Laursen, PB. Effect of concurrent endurance and circuit resistance-training sequence on muscular strength and power development. J Strength Cond Res 22: 1037-1045, 2008-The purpose of this study was to examine the influence of the sequence order of high-intensity endurance training and circuit training on changes in muscular strength and anaerobic power. Forty-eight physical education students (ages, 21.4±1.3 years) were assigned to 1 of 5 groups: no training controls (C, n= 9), endurance training (E, n= 10), circuit training (S, n= 9), endurance before circuit training in the same session,(E+ S, n= 10), and circuit before endurance training in the same session (S+ E, n= 10). Subjects performed 2 sessions per week for 12 weeks. Resistance-type circuit training targeted strength endurance (weeks 1-6) and explosive strength and power …