Which Is Better For The Brain – Long Duration Or Short High Intensity Exercise?

Catherine O’Brien High intensity interval training (HIIT) is a form of exercise that utilizes “repeated bouts of short-to-moderate duration exercise at an intensity of 85-90% of peak oxygen uptake or 90-95% of peak heart rate (HR)” (Kao et al., 2017, p. 1336).  This form of exercise has gained popularity as of late due to its