On top of that it HIIT has been show to have an increase in muscle enzymes that enhance fat oxidation (fat burning) compared to LISS. (theartofabs.com)
For example, a 2007 Study in the Journal of Applied Physiology reported that young women who performed seven HIIT workouts over a two - week period experienced a 30 - percent increase in both fat oxidation, and in the levels of muscle enzymes that enhance fat oxidation. (bodybuilding.com)
Nevertheless, the activity of some aerobic and anaerobic muscle enzymes (aldolase and citrate synthase, respectively) is increased in greyhounds, whereas the activity of other enzymes (creatine kinase, lactate dehydrogenase) is not different compared with crossbred dogs (Guy and Snow 1981). (academic.oup.com)