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…
The Secret Sauce: How Crossover Symmetry Works
The Correct Way To Mobilize Your Thoracic Spine With A Foam Roller
The main objective of foam rolling is to relax the spine over the roller so we get some mobility in the vertebral joints of the thoracic spine.