Table 2. Percent changes (%∆) over time and coefficient of variations (CV) for mean changes in physiological parameters. Values are means ± SD. Group HIITASR HIITVIFT HITTMAS %∆ CV %∆ CV %∆ CV V̇O2max (mL·kg–1·min–1) 7.2 ± 0.7 0.09 6.6 ± 0.8 0.12 5.4 ± 1.6 0.29 V̇O2max (L·min–1) 7.3 ± 0.8 0.11 6.4 ± 0.9 0.14 5.8 ± 1.1 0.19 V̇O2/HR (mL·b–1·min–1) 7.4 ± 1.5 0.20 6.4 ± 1.6 0.25 5.8 ± 1.8 0.31 V̇E (L·min–1) 11.8 ± 1.9 0.16 12.9 ± 3.0 0.23 12.8 ± 3.8 0.29 VT1 (%V̇O2max) 6.8 ± 0.6 0.09 6.5 ± 0.7 0.11 6.7 ± 1.9 0.28 VT2 (%V̇O2max) 4.8 ± 0.7 0.14 5.2 ± 0.9 0.17 4.2 ± 1.1 0.26 Q̇max (L·min–1) 6.9 ± 0.8 0.11 6.4 ± 0.9 0.14 5.7 ± 1.1 0.19 SVmax (mL·b–1) 7.2 ± 1.5 0.21 6.2 ± 1.6 0.25 5.5 ± 1.8 0.32 MAS (km·h–1) 7.3 ± 2.8 0.38 8.1 ± 3.1 0.38 6.6 ± 2.7 0.41 ASR (km·h–1) -5.3 ± 2.1 0.39 -6.2 ± 2.7 0.43 -3.0 ± 1.9 0.63 V̇O2max, maximum oxygen uptake; V̇O2/HR, O2 pulse; V̇E, ventilation; VT1, first ventilatory threshold; VT2, second ventilatory threshold; Q̇, cardiac output; SV, stroke volume; MAS, maximal aerobic speed; MSS, maximal sprint speed; ASR, anaerobic speed reserve. N, 10 for each group.