Differentiate Your Strength Training

  By Dr. Michael Yessis President, Sports Training, Inc.      Do your players need more concentric, eccentric or isometric strength? Or, do they need more starting strength, explosive strength, speed-strength, absolute strength, limit strength or strength endurance? If you are like most football coaches, you probably have not given much thought to the kinds of strength that the players need. This is understandable since the different types of strength are rarely discussed or differentiated.    However, knowing the differences between these different types of strength and which  position players need which specific types of strength can play a significant role in how effectively they perform on the field. For example, defensive linemen typically need more isometric and eccentric strength while offensive linemen need more eccentric and explosive