maybe instead of shoulder surgery you should try a thorough evaluation
When Will I Get Better
Make the Side Plank More Effective
Planks are a traditional standard exercise for core strength.
Specifically, the side planks will strengthen the lateral plane. A plane of motion that needs to be stable to allow compensatory-free movement. A plane of motion most people are weak in.
Thus, the side plank is a great exercise to add into your routine.
It’s not a pleasant one, but a necessary one.
Here is a quick video on how to make it more effective.