Table 4. Correlations detected between cardiometabolic factors and RPE used to indicate the work intensities of the three Crossfit® WODs. Pearson Linear regression r P R2 P WOD 1 [Lactate] (IF) VS. HR (IF) 0.938 0.000 0.880 0.000 HR (Min10-Min20) VS. RPE M (Min10-Min20) -0.091 0.473 0.008 0.473 HR (Min10-Min20) VS. RPE C (Min10-Min20) 0.314 0.011 0.099 0.011 HR (Min10-Min20) VS. RPE G (Min10-Min20) 0.155 0.221 0.024 0.221 WOD 2 [Lactate] (IF) VS. HR (IF) 0.915 0.000 0.838 0.000 HR (S2-S4-S6-S8) VS. RPE M (S2-S4-S6-S8) 0.330 0.000 0.109 0.000 HR (S2-S4-S6-S8) VS. RPE C (S2-S4-S6-S8) 0.361 0.000 0.130 0.000 HR (S2-S4-S6-S8) VS. RPE G (S2-S4-S6-S8) 0.361 0.000 0.130 0.000 WOD 3 [Lactate] (IF) VS. HR (IF) 0.933 0.000 0.870 0.000 HR (Min2.5-Min5) VS. RPE M (Min2.5- Min5) -0.033 0.794 0.001 0.794 HR (Min2.5- Min5) VS. RPE C (Min2.5-Min5) 0.103 0.419 0.011 0.419 HR (Min2.5- Min5) VS. RPE G (Min2.5-Min5) 0.036 0.779 0.001 0.779 IF = Initial-Final; HR = Heart rate; RPE = Rate of perceived exertion; Min2.5 = minute 2.5; Min5 = minute 5; Min10 = minute 10; Min20 = minute 20; M = Muscular; C = Cardio; G = General; S2 = Set 2; S4 = Set 4; S6 = Set 6; S8 = Set 8; WOD 1 = G modality CrossFit® workout of the day (“Cindy”); WOD 2 = M modality CrossFit® workout of the day (skip rope double unders); WOD 3 = W modality CrossFit® workout of the day (power cleans).