At first glance, the Crossover Symmetry System seems to be a very straightforward program for strengthening weak muscles of the shoulder. The simple theory that a weak shoulder leads to a painful shoulder is easy enough to understand and generally holds some truth…
What do baseball, volleyball, swimming, golf, lacrosse, football, softball, tennis and CrossFit have in common? They all require the arms to generate skilled, coordinated, and powerful directed movements. Each of these sports has very specific skill requirements that take years of repetition, training and coaching to master…
Why do many athletes focus on strengthening fast twitch muscle fibers in their legs by performing plyometrics and explosive lower body exercises, but when it comes to the upper extremities they target the slow twitch muscle fibers with the exercises they are doing? Why aren’t athletes training their arms to be explosive weapons just as sprinters are training their legs?