This covers 0-about 45 yards. Absolute Speed -This is the speed that takes over after the 45 yard mark. Specific Speed -This refers to each particular sports pattern which has to be accomplished within a particular position. Every position needs different requirements. There may be similar movements, but no two positions have identical movements.
Wide receivers run a lot longer distances than an offensive lineman.
A defensive back always starts out running backwards. A quarterback is going to run while looking over a shoulder. Linebackers can run either forward, lateral or backward. Running backs are like catching ricochet rabbit. And the tight ends are a combination of all the above.