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

	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