im gonna start track as a 9th grader, in 7th and 8th, ive done an impressive job with hurdles, i could already hurles at 39 inches then (i was 5'7), does anyone have any more hints for hurdles, small things i need to know to help me increase speed quicker, i already know all that lead leg, opp arm, trai leg stuff, but i dont know every single aspect of hurdles