Detailed text transcripts for TV channel - CNN - 20161119:19:42:00
Weird twinges. if continued to get worse until i couldn't walk. i was in such constant pain. >> he was diagnosed with a problem in his spine. a debilitating condition known as congenital spinal stenosis. his only option was surgery. >> that whole sort of idea behind pain showing you a lesson, it's true. i knew at that point i needed to change almost everything about my life. i need to be able to move, to run, to be free. >> now, medina is one of obstacle course racing's top athletes. >> i've did well for myself. i mean, i think i've raced over 50 times now. most of my races have been top ten, ...