A few months back, I led this workout in the Ridglea North section of Fort Worth, and we ran around this field (Berney Park) doing station work. At one station, we tried to do a 4-minute plank hold. Some people in humanity can do this, but not many. I can do maybe 15 seconds before I give out or go to a high-plank. Some guys can do a minute, maybe two. Four is rare. Holding onto something like that for four minutes is brutal…
