Table 3. Regression analysis results for Ellipitcal crosstrainer group, Elliptical crosstrainer subgroup, and Treadmill group. Data are means (±SE). Ellipcrosstrainer group (n = 48) Ellipcrosstrainer subgroup (n = 24) Treadmill group (n = 24) %HRR vs. %VO2max     y-intercept (%) -9.3 (.6) * -9.9 (.9) * -10.0 (.7) *     Slope 1.11 (.01) †  1.12 (.01) †  1.10 (.01)†  %HRR vs. %VO2R     y-intercept (%) .7 (.5 ) .3 (.6) -.3 (.5)     Slope 1.01 (.01) 1.01 (.01) 1.00 (.01) * p0.001 for y-intercept = 0; †  p0.001 for slope = 1.