“…Separate two-way (test stage x group) RM ANOVA models were used to compare VO 2 , HR, and O 2 -p responses during submaximal (i.e., stages 1 through 3) and peak exercise. The first three stages (2, 2.5, and 3 mph at 0 % grade) were chosen in order to evaluate changes in tolerance to walking speeds commonly observed in the severely obese population [27,28]. In an effort to correct for violations of sphericity and multiple comparisons, Greenhouse-Geisser and Bonferroni adjustments, respectively, were applied.…”