Is this arbitrary or standardized? I hear people talking about them, but I have yet to come across a comprehensive list. I apologize if it is listed on this site if so; I didn't notice - would appreciate a link. Thanks guys.
The grade lettering difficulty of movements
Started by dnj23, July 3, 2011 · 2 Replies · 1,789 Views
Yes, there is a comprehensive list.
cool, thanks.