Extreme sports is a multi-form sport project and game, life and work evolution, participation in the youth dominated by the high difficulty spectator sports. In the process of integration with nature, human beings, with the help of modern high-tech means, maximize their self-physical and mental potential and play an entertainment sport that challenges themselves. It except pursue athletics sports superego physiological limit "higher, faster, stronger" outside the spirit, more emphasis on participation, entertainment and brave spirit, pursue when surmounts psychological barrier obtain pleasure and a sense of achievement, at the same time, it also embodies the human nature, return to nature, to protect the environment of good will, so has been the world known as "the future sports". Bob Harman, DVM and founder and CEO of Vet-Stem says while therapy for human use is still ahead of time, so many horses and dogs have already been treated for tendon, ligament and joint injuries and diseases through Vet-Stem and thus far the final results have been amazing with many different patients stating that the outcome were immediate.