Martial arts to help sprint
There's more in common than it may seem at first
http://maaml.blogspot.com.au/2012/12/ideas-for-visualisations.html - have a read. For us, as sprinters, we're not THAT dissimilar to martial artists. We have skills that we need to master, moves and countermoves that use those skills, and then "tactics" which is essentially the application of the right moves at the right times. Very similar to martial arts. I think we can learn a lot from them.