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Table 2 Best fit line equations and coefficients of determination (R 2 ) for the force-velocity relationships in half-squat and bench press concentric actions one hour after the ingestion of 1 and 3 mg/kg of caffeine using a caffeinated energy drink or the same drink without caffeine (0 mg/kg). Data are mean ± SD for 12 participants

From: Dose response effects of a caffeine-containing energy drink on muscle performance: a repeated measures design

 

0 mg/kg

1 mg/kg

3 mg/kg

Half-squat

−380x + 1966

−439x + 2093

−430x + 2157

R2

0.98

0.99

0.99

Bench press

−278x + 596

−275x + 600

−297x + 649

R2

0.99

0.99

0.99