and there's things like even tatas so Tabata would be a 20 second on 10c off you do that eight times the 20 seconds you're really going as hard as you can because I mean 20 seconds is uh it's not long although it seems long when you're going as hard as you can it actually seems quite long and the recovery intervals seem too short portions seem longer than 20 and recovery is like over before you know it exactly