Check your grammar now! : intense or paroxysmal excitement; especially : the rapid pleasurable release of neuromuscular tensions at the height of sexual arousal that is usually accompanied by the ejaculation of semen in the male and by vaginal contractions in the female.
So, even though you may have only burned 250 calories during your HIIT workout, the total calories burned after will be far greater. Those calories, plus the 250 burned during the HIIT workout surpasses the 400 burned during the slow, steady-state workout by a LONG, LONG way.
Louise's sessions burn hundreds of calories in a short amount of time and can be followed online via her website for those who can't join the sessions she's been running in London in person. 'Three, get fitter quicker, by challenging both your aerobic and anaerobic energy systems during your HIIT workout.