>Cross Training>how long can you hold a plank?
Mixing it up between planks and side planks, I've held it for about 6 minutes total.
As an FYI, I just looked it up and the world record is 3 hours and 7 minutes. I am usually bored after a couple minutes, I wonder if he had a TV or something under his head to entertain himself.
7 Deadly Shins
Or got locked up and couldn't move until someone heard his cries for help!
Running is stupid
Not sure what my max planck is, and any guess would be purely theoretical.
Well at least someone here is making relevance to the subject. - S.J.