The separate HIIT is probably not necessary if you vary your weight training to include higher volume sets. If you do a true HIIT sprint set at 100 percent effo

The separate HIIT is probably not necessary if you vary your weight training to include higher volume sets. If you do a true HIIT sprint set at 100 percent effort like the initial journal article, you will be wiped out the rest of the day, it’s not practical.