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BaseballSoftball
Crossover Symmetry 90 90 Baseball
Shoulder Activation: The Most Essential Phase of Arm Care

Shoulder Activation: The Most Essential Phase of Arm Care

Crossover Symmetry’s Activation is the first and most important of the four Crossover Symmetry’s Arm Care Phases, (Activation, Recovery, Plyometric and Iron Scap). It is critical to build the right balance when it comes to scapular (shoulder blade) foundation muscles, rotator cuff control (four shoulder muscles) and transfer of energy from the legs, core and shoulder to the arm…

CrossfitCrossover 101
scapjacked
Scapjacked

Scapjacked

The demands of the muscles groups required to accomplish the High Intensity Interval Training (H.I.I.T) sport need to be complemented with shoulder rebalancing strengthening exercises. The typical H.I.I.T athlete has overdeveloped upper trapezius…

Tennis
Crossover Symmetry Tennis
Tennis Serve Train Posterior Shoulder Fast Twitch

Tennis Serve Train Posterior Shoulder Fast Twitch

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?

Pain and Rehab
Fix your posture
Fix Your Posture

Fix Your Posture

Why is posture important to a healthy, athletic shoulder and how does this relate to athletes and performance? Let’s look at the anatomy and mechanics of the human body to answer these questions…