It appears to me to be an emphasis on pushing here.
Either way there is a lot movement around the shoulder happening.
Pay more attention the the shoulder blades, pullups, rows, deadlift, shurgs, farmers walks, layoff the pushing completly for a while.
Don't do any prehab just yet it can usually create more trouble.
Build the muscleture between the scapula, upper back and shoulder first.
Posted via Mobile Device