NRHA DERBY OPEN From Oklahoma City
IR1212: Premiered - Tuesday, August 7, 2012 at 9:00 p.m. ET / 6:00 p.m. PT on HRTV (Dish 404). Coverage from NRHA's Derby Open Finals from Oklahoma City, Oklahoma. NRHA's Derby is for the 4-, 5- and 6-year old horses. In the Inside Hand, NRHA Professional Joe Schmidt explains how to do horse push-ups. In Your Horse Inside and Out, Dr. Joe Carter takes you inside a hypobaric chamber to explain how oxygen therapy helps horses heal.