Farzad et al. (2011) submitted wrestlers to a short (4week) HIIT program, with two sessions per week (six 35m sprints, with 10s intervals), and reported increased ˙VO2max in the graded treadmill exercise test(5.4%), time limit at ˙VO2max (32.2%),and higher peak (11.9% and 36.5%) and mean power (6.5% e 9.1%) in the first two of four Wingate tests.