Taking the movement of verticaljumpinplaceasan example, the author clarifies the concretemethodofdetermining "the keylink" and "the weak link" in this paper.
It seems the Kansas City Chiefs place a lot of stock in the vertical jump acquiring three of the top 15 performers since 2006 while the New York Giants are partial to players who excel at the bench press, having drafted three of the top 15 standouts in that drill.