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Table 1 Results of the 7 considered variables in the group that ingested caffeine (GCAF) and the placebo group (GCON)

From: The acute effects of caffeine intake on time under tension and power generated during the bench press movement

Variables Caffeine group Placebo group
Maximal concentric power [W] 750,8 ± 113,495 684,5 ± 110,12
Maximal concentric velocity [m/s] 0,81 ± 0,073 0,767 ± 0,071
Mean concentric power [W] 383 ± 51,9 354 ± 51,2
Mean concentric velocity [m/s] 0,467 ± 0,043 0,44 ± 0,0432
Number of repetitions [n] 16,6 ± 1,56 15,9 ± 1,44
Time under tension [s] 13,68 ± 1346 * 15,33 ± 1698 *
Mean eccentric velocity [m/s] 0,69 ± 0,088 * 0,609 ± 0,057 *
  1. Notes: mean ± standard deviation [SD]; * statistically significant differences