Pittspeed Fitness & Nutrition thread update:

[bics56]

@06se-r

one of the hardest things i ever did was called gorilla cardio…
>run full speed for 15 seconds, then jog 15 seconds, run full speed 15 seconds, walk 15 seconds, do this for 10-12 minutes non-stop, it was soo hard, saw it in m&f, i could barley do it

That is a perfect example of HIIT