I was invited to speak at the NFL Players Association on performance enhancement, and I was really impressed with how extremely dedicated the players I met were.  Although I spoke with mostly veteran NFL players, I was also able to watch hopeful candidates show their skills to the coaches and prospective teams since this meeting was held as part of the NFL Combine.  The focus and determination of the players was remarkable.  At these peak levels of performance, every increase in speed, strength and ability is critical, and can even make or break a career.  Here is a link to a blog entry I posted on my experience at the NFL Players Association Meeting/Combine: http://http://blog.astym.com/blog/astym-3/astym-and-the-nfl