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Table 1 Mean (±1SD) values of the slope, abscissa (Load0) and ordinate (Vmean0) intercept data for each regression line developed using both Vmean and Vpeak across the three loading ranges

From: The impact of test loads on the accuracy of 1RM prediction using the load-velocity relationship

Variable Percent of 1RM
30–50% 40–60% 50–70%
Slope using Vmean −2.02 (0.52)a −1.76 (0.31)a −1.97 (0.46)a
Slope using Vpeak −3.85 (0.42) −2.93 (0.71) −2.81 (0.63)
Load0 using Vmean (% of 1RM) 91.9% (15.3) 99.6% (14.9) 103.1% (14.0)
Load0 using Vpeak (% of 1RM) 89.6% (7.7)b 107.8% (23.8) 106.6% (10.2)
Vmean0 using Vmean (m/s) 1.98 (0.22)a 1.84 (0.15)a 1.97 (0.31)a
Vmean0 using Vpeak (m/s) 3.47 (0.25) 3.05 (0.41)a 2.97 (0.41)a
  1. aIndicates values differs significantly (P < 0.01) from Vpeak at that load range
  2. bIndicates values differ significantly from the actual 1RM at that load range