@ ppl that told me to run on grass/sand...fuck you!http://sportsmedicine.about.com/od/injuryprevention/a/runonsand.htm
Sources: The American Podiatric Medical Associationthey tell you that so you run on concrete and get busted up so you can go to the podiatrist to get fixed
MOST CASES OF RUNNING INJURIES IS BECAUSE OF IMPROPER FORM/SHOES
>>390219lolwatYou can say that about everything any doctor says.