>>76397511 (OP)watch a couple andrey smaev edits
read a page of book on my phone
play a clash royale game
all in timeframe of 3 minutes, while breathing heavily to replenish the oxygen in the blood
I found out through my own empirical kind of experimentation that just superseting opposing muscle or different muscle group just fatigues the cardiovascular system and goes against the hyperthrophy principle of strength failure rather than endurance failure