just looking for help. i run the 100 in 10.4 i only started last year. i did the test to c how fast your muscels fire i think it was called tgh my results where great nearly all of fibers where faster than a 10.15 runner that was on the system. the prob is that when i run i dont fire my gluts so im not covering the ground i should. does any1 no how to solve this.