Thread: Former Marine sets world record for holding longest plank

Originally Posted by Atomic

I remember our Drill Sargent pushed us beyond what we thought we could accomplish all the time. Once we did 400 4 count jumping jacks. Nothing like the motivation of a 6' 5" 250lbs lean black man calling your mother a whore.

Way back in '03, our Platoon Sergeant told us we'd be up to 800 4-count jumping jacks before we left Iraq. We did. Even now I can do 100+ with no problem at a moment's notice.