File :-(, x, )
Anonymous
ok so i don't know if im understanding HIIT correctly
so i'll jog (on maybe speed 4 ot 5 out of 10 on a treadmill) for 30 seconds then run (speed 9) for another 30 and alternate each back and for for 30 s and thats HIIT?
>> Anonymous
yup
>> Anonymous
sorta. it's not the same as normal outside running though.