The ability of athletes to get stiff during sporting movement is a key indicator to athletic success. (sportstarsmag.com)
Then there is adding a power component since sport movement (nor life) is not done slowly and consistently, the addition of power (with a slightly lighter weight) improves performance. (flippingfifty.com)
When training athletes, remember that strength is a skill just like any other sporting movement. (blog.bridgeathletic.com)