Skip to main content
. 2020 Feb 4;12(2):406. doi: 10.3390/nu12020406

Table 2.

Power output and bar velocity during 5 sets of the bench press throw with the ingestion of 3 and 6 mg/kg/b.m. of caffeine or with a placebo.

Conditions Set 1 Set 2 Set 3 Set 4 Set 5
Mean Power (W)
PLAC 542 ± 126 548 ± 119 551 ± 117 543 ± 115 540 ± 114
(95%CI) (462 to 622) (472 to 623) (477 to 626) (470 to 616) (468 to 613)
CAF-3 552 ± 124 564 ± 115 567 ± 116 557 ± 112 570 ± 124
(95%CI) (473 to 631) (490 to 637) (493 to 640) (486 to 628) (492 to 649)
CAF-6 559 ± 109 563 ± 107 562 ± 113 556 ± 103 562 ± 105
(95%CI) (489 to 628) (495 to 631) (489 to 634) (491 to 621) (496 to 629)
ES PLAC vs. CAF-3 0.07 0.14 0.14 0.12 0.25
PLAC vs. CAF-6 0.14 0.13 0.09 0.12 0.20
Peak Power (W)
PLAC 1245 ± 248 1252 ± 291 1286 ± 378 1244 ± 252 1222 ± 250
(95%CI) (1088 to 1402) (1067 to 1437) (1045 to 1526) (1083 to 1404) (1063 to 1381)
CAF-3 1243 ± 218 1252 ± 265 1285 ± 216 1241 ± 199 1283 ± 224
(95%CI) (1105 to 1382) (1084 to 1420) (1147 to 1422) (1114 to 1368) (1141 to 1425)
CAF-6 1253 ± 294 1338 ±362 1338 ± 344 1278 ± 255 1278 ± 250
(95%CI) (1066 to 1440) (1107 to 1568) (1119 to 1556) (1116 to 1440) (1119 to 1437)
ES PLAC vs. CAF-3 0.01 0.00 0.01 0.01 0.26
PLAC vs. CAF-6 0.03 0.26 0.14 0.13 0.22
Mean Velocity (m/s)
PLAC 1.36 ± 0.06 1.38 ± 0.08 1.38 ± 0.05 1.37 ± 0.04 1.36 ± 0.07
(95%CI) (1.32 to 1.40) (1.33 to 1.43) (1.35 to 1.41) (1.35 to 1.41) (1.32 to 1.40)
CAF-3 1.39 ± 0.07 1.42 ± 0.05 1.43 ± 0.05 1.40 ± 0.05 1.43 ± 0.05
(95%CI) (1.34 to 1.43) (1.39 to 1.45) (1.40 to 1.46) (1.37 to 1.43) (1.40 to 1.46)
CAF-6 1.41 ± 0.07 1.42 ± 0.07 1.41 ± 0.05 1.40 ± 0.07 1.42 ± 0.09
(95%CI) (1.36 to 1.45) (1.37 to 1.47) (1.38 to 1.45) (1.35 to 1.44) (1.37 to 1.47)
ES PLAC vs. CAF-3 0.46 0.60 1.0 0.40 1.15
PLAC vs. CAF-6 0.77 0.60 0.6 0.33 0.77
Peak Velocity (m/s)
PLAC 2.13 ± 0.08 2.15 ± 0.11 2.17 ± 0.13 2.15 ± 0.12 2.10 ± 0.14
(95%CI) (2.08 to 2.18) (2.08 to 2.22) (2.09 to 2.26) (2.07 to 2.22) (2.01 to 2.19)
CAF-3 2.14 ± 0.08 2.17 ± 0.07 2.18 ± 0.09 2.14 ± 0.05 2.19 ± 0.08
(95%CI) (2.09 to 2.18) (2.12 to 2.22) (2.12 to 2.24) (2.11 to 2.17) (2.14 to 2.25)
CAF-6 2.16 ± 0.12 2.18 ± 0.13 2.19 ± 0.14 2.17 ± 0.14 2.17 ± 0.17
(95%CI) (2.08 to 2.23) (2.10 to 2.26) (2.10 to 2.28) (2.09 to 2.26) (2.06 to 2.28)
ES PLAC vs. CAF-3 0.13 0.22 0.09 0.11 0.79
PLAC vs. CAF-6 0.29 0.25 0.15 0.15 0.45

All data are presented as mean ± standard deviation. CI: confidence interval. ES: effect size.