C Chris New member Dec 13, 2009 #1 all the olympic sprinters are muscular but distance runners look weak and if arms do help what muscle on them makes them move ok arms do help but witch muscle makes your arms move fast because I think my arms move to slow for my legs
all the olympic sprinters are muscular but distance runners look weak and if arms do help what muscle on them makes them move ok arms do help but witch muscle makes your arms move fast because I think my arms move to slow for my legs